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Simotech Company Profile Motors

Low Voltage

IE2 high efficiency motors

Type spectrum
We are one of the few motor suppliers worldwide to offer a complete portfolio of energy-saving motors:

For the IEC market

  • High-efficiency energy-saving motors in the highest EU efficiency class IE2 (High Efficiency)
  • Efficiency-improved energy-saving motors in EU efficiency class IE1 (Improved Efficiency)
  • Motors with increased output power in IE1 und IE2

For the NEMA market

  • IEC energy-saving motors in accordance with the US Federal Law EPAct (Energy Policy Act of 1992) for 60 Hz operation with CC number
  • NEMA motors with minimum legal effi ciencies in accordance with the US Federal Legislation EPAct (Energy Policy Act of 1992 – US Federal Legislation)
  • NEMA motors with NEMA Premium efficiency in accordance with NEMA MG1
  • NEMA motors with Ultra NEMA Premium efficiency: exceed the NEMA Premium efficiency recommended by NEMA


  • Noticeable reduction of operating costs through efficiency optimization
  • Especially compact motors from the 1LE1 series. IE1 and IE2 motors in the same, short frame length
  • High overload reserves in continuous operation (SF 1.15)
  • Inverter-proof up to 460 V as a standard, own version available up to 690 V
  • Environmental protection through CO2 reduction
  • Positive ecobalance of high-efficiency motors
  • Part of Totally Integrated Automation via inverters and PROFIBUS and PROFINET
  • Can be easily modified using modular mounting kits

IE2 Technical Catalogue (PDF - 3.5mb)

Vibration Specifications (JPG - 145kb)


Low voltage motorSiemens Low Voltage Motors - Installation

The Siemens electric motor is easy to install and modify in every frame size. The terminal box is easy to access and the housing architecture allows adaptation to the most varied applications.

The terminal boxes can be swiveled in 90° steps, and the motor feet can be flexibly mounted depending on the motor version. An encoder, brake and external fan can be added with minimum effort. The flexible housing architecture results in a reduced variety of parts, simplifying inventory management.


Motor installation ABC for Siemens Low Voltage Motors (PDF - 2MB)


Three-phase motors with slip-ring rotors

Series S..R 132 up to 315, mode of operation S1, continuous duty
S..H 132 up to 315, mode of operation S3, intermittent duty
Output range 2,2 kW up to 315 kW  
Speeds 3000, 1500, 1000, 750, 600, 500, 375 rpm  
Features DIN EN 60034 (IEC 72),
mounting dimensions and output correlation acc. to
DIN 42679 (S..R) and DIN 42681 (S..H),
robust, low-vibration grey cast iron version
degree of protection IP 54 / IP 55, higher degrees of protection on request, insulation class F, insulation class H optionally available, economical performance, environmentally friendly multiple modifications



Three-phase asynchronous motors with slip ring rotor. (PDF - 1.1MB)


Siemens High Voltage Motors

High Voltage motorFrom Siemens you can obtain a wide range of types extensively and finely graduated. Our motors have been designed for rated voltages from 2 to 11 kV (as system with SIMOVERT MASTERDRIVES, also 690 V) as well as rated frequencies of 50 and 60 Hz.

Motors with pole numbers of between 2 and 12 are available as standard. H-compact is suitable for use in Zone 2 (non-sparking). Versions with degree of protection EEx e “increased safety” and EEX pe “pressurized” are listed in the catalog for Zone 1.


Latest generation of high-voltage motors. (PDF - 1MB)

HV efficiency comparison. (PowerPoint - 3MB)

H-Compact & H-Compact Plus technical catalogue. (PDF - 7MB)

H-Compact Catalogue. (PDF - 1.2MB)

H-Compact Plus Catalogue. (PDF - 1MB)

N-Compact Catalogue. (PDF - 1MB)

Standardline Motors Catalogue. (PDF - 1MB)

H-Modyn Catalogue. (PDF - 1.2MB)

Super Large Machines Catalogue. (PDF - 1.3MB)



Totally Integrated Automation - Realizing visions every day in every industry

Thanks to Totally Integrated Automation (TIA), Siemens is the only provider of an integrated basis for implementation of customized automation solutions – in all industries from inbound to outbound.

TIA is characterized by its unique continuity. It provides maximum transparency at all levels with reduced interfacing requirements – covering the field level, production control level, up to the corporate management level. With TIA you also profit throughout the complete life cycle of your plant – starting with the initial planning steps, during operation, and up to modernization, where we offer a high measure of investment security resulting from continuity in the further development of our products and from reducing the number of interfaces to a minimum.

The unique continuity is already a defined characteristic at the development stage of our products and systems. The result: maximum interoperability – covering the controller, HMI, drives, up to the process control system. This reduces the complexity of the automation solution in your plant.
You will experience this, for example, in the engineering phase of the automation solution in the form of reduced time requirements and cost, or during operation using the continuous diagnostics facilities of Totally Integrated Automation for increasing the availability of your plant.


Automation Systems

Siemens Industry answers the challenges in the manufacturing and the process industry as well as in the building automation business. Our drive and automation solutions based on Totally Integrated Automation (TIA) and Totally Integrated Power (TIP) are employed in all kinds of industry. In the manufacturing and the process industry. In industrial as well as in functional buildings.


Totally Integrated Automation with SIMATIC PCS 7

Integrated in a holistic automation solution for a production site, automation of the primary processes is the prime task of SIMATIC PCS 7. On the other hand, secondary processes (e.g. filling, packaging) or input/output logistics (e.g. raw material distribution, storage) are frequently implemented using the PLC-based or PC-based components of SIMATIC.

The advantages of Totally Integrated Automation, in particular the uniform data management, communication and configuration, are already evident during planning and engineering, but also during installation and commissioning, everyday operation as well as maintenance, repairs and modernization.

Uniform data management

Uniform data management means that all software components access a common database. Within a project, inputs and modifications are therefore only necessary at one point. This reduces the work required, and simultaneously avoids potential faults. Once symbolic identifications have been introduced, they are understood by every software component. Data consistency is also guaranteed even if several persons are working simultaneously on a project. Parameters defined in the engineering system can be transferred beyond the network limits down to sensors, actuators or drives in the field.

SIMATIC PCS7 Technical Catalogue. (PDF - 8MB)


S7-1500 PLC

Products for totally integrated automation (ST70)


Simatic HMI Panels

HMI Panel Migration (English / German) (PDF - 1.6mb)


Totally Integrated Automation Portal

A true milestone

The new engineering framework, TIA Portal, unifies all automation software tools within a single development environment. TIA Portal represents a milestone in software development with the industry's first automation software with "One Engineering Environment" – One Software Project for all automation tasks.

Intuitive, efficient, proven

When it comes to realizing innovations, TIA Portal integrates every aspect with its intuitive user interface, efficient navigation and proven technology. From designing, installing, commissioning, maintaining and upgrading automation systems, TIA Portal saves engineering time, cost and effort.

TIA Technical Catalogue. (PDF - 2MB)


Low Voltage

Variable Speed Drive technology that unlocks new potential

Variable Speed DriveEnergy is valuable. Electrical power is the most important resource in industry and ensures that motors run, machines operate and plants manufacture. So it doesn’t come as a big surprise that industry is responsible for 40% of the total power consumption.

However, it is surprising that the electrical drive systems are responsible for two thirds of that consumption. An enormous share which opens up many possibilities, especially with regard to rising energy prices: With an optimized design and dimensioning of plant and targeted selection of components, companies can save substantial amounts of energy costs.

Tapping the right potential is what counts

Electrical motors and frequency drives are the heart of a drive system and have the highest energy savings potential. The continuous operation of the motor is of particular importance in this case – motors with an increased efficiency level help save valuable kilowatt hours, and the frequency drives saves additionally by adapting to the optimum operating point. Variable-speed drives depend on the type of driven machine. This is where optimized machines such as pumps, fans and compressors show their “economical side”.

An investment in the future that pays off

One thing is clear: Purchasing energy-saving motors is an investment. But low operating costs and machine-friendly operation in the plant thanks to the use of frequency drives and/or energy-saving motors make sure that the investment often fully amortizes over a period of only a few months – while your plant continues to save costs throughout its entire service life. And you’re not the only one profiting from this. A drive system that optimally utilizes energy contributes to a sustained reduction in CO2 emissions – so the environment benefits as well.

Reduction of dvdt using Output Chokes information sheet. (PDF - 180kb)

Filter SIDAC-F information sheet. (PDF - 500kb)

CUVC Interface (PDF - 77kb)

VC Shortguide (PDF - 26kb)



MICROMASTER Frequency Inverters

A vast number of today’s motor applications require the use of a Variable Speed Drive to ensure optimum performance. Making the correct speed adjustments can ensure dramatic savings in energy costs and improvements in application performance. From the technology available, which unit should you select to ensure these goals are met and your investment pays off?

As a supplier of complete drive systems and technology, Siemens can offer you a wide range of frequency inverters: the MICROMASTER family. Thanks to their modular design, all the inverter units can be used in a variety of applications and are extremely flexible in use. With power ratings ranging from 0.12 to 250 kW (0.16 to 300 HP), they can readily be adapted to new requirements without any great effort.

Our frequency inverters combine the highest technical quality with versatile functionality: from the basic MICROMASTER 410 for simple applications to the high-performance MICROMASTER 440 with sensorless vector control and a power range up to 250 kW (300 HP). Each individual member of our MICROMASTER family is characterized by its exceptionally simple handling: from installation and commissioning to operator control. Later adaptation to new requirements is simplicity itself.
Each frequency inverter belonging to the family allows flexible circuit connection of inputs and outputs for optimum link-up of a broad variety of digital and analog signals. With its default factory settings, it is immediately ready for use.

Part of Totally Integrated Automation (TIA)

All standard Siemens drives with the PROFIBUS option are integrated in TIA. On the basis of TIA’s three-pronged universality with regard to communication, configuration and data management, our drive systems perform automation tasks smoothly and efficiently, with a savings potential of up to 30 %.

Safe operation – all over the world

All the important protection and overload functions are already standard features of our inverters. And the requirements of the EU low-voltage directive are met by all the devices in the MICROMASTER family. They have the CE label, as well as both UL and CUL certification.

Micromaster Frequency Inverters Selection Catalogue. (PDF - 700kb)

MM440 Faults and Alarms catalogue. (PDF - 85kb)

MM440 New Catalogue. (PDF - 700kb)

MM440 Dimensions. (PDF - 300kb)

MM440 Features & Functions. (PDF - 150kb)

MM440 Frequency Inverter Technical Specifications. (PDF - 45kb)


MM440 I/O

The MICROMASTER range of low voltage variable speed drives


Sinamics Family

Sinamics G150 drive converter cabinets units are designed for use in variable speed drives in machine construction and plant engineering.

They have been specially tuned to the requirement of drives with quadratic and constant load characteristics, with medium performance requirements and without regenerative feedback. The control accuracy of the sensorless vector control is suitable for most applications, and additional actually speed value encoders are therefore superfluous.

However, the Sinamics G150 converters are optionally available with an encoder evaluator in order to handle application that require an encoder for plant specific reasons. Sinamics drive converter cabinet units offer an economic drive solution that can be matched to customers specific requirements by adding from the wide range of available components and options.

Sinamics Family Selection Catalogue. (PDF - 600kb)

Sinamics G150 Overview. (PDF - 300kb)

Sinamics G150 technical catalogue. (PDF - 850kb)

Sinamics TM31 Module (PDF - 90kb)

Sinamics G150 Dimension Drawings. (PDF - 820kb)

Sinamics G150 Option Descriptions. (PDF - 150kb)

Sinamics G150 technical data sheet - 500V. (PDF - 55kb)

Sinamics G150 technical data sheet - General. (PDF - 55kb)

Sinamics Drives System Brochure. (PDF - 1.5MB)

Sinamics Drives Graphic Poster. (PDF - 60kb)


ROBICON Perfect Harmony Power Control Systems

In the ROBICON Perfect Harmony, a series of low voltage cells are linked together to build the medium voltage power output of the drive system. With this topology, the drive can be scaled precisely for a very wide range of voltage and output power. Additionally, the ROBICON Perfect Harmony offers increased availability because of its modular design and ability to bypass any one cell during operation while maintaining the full output voltage.

Furthermore, the integral transformer with phase-shifted secondaries provides 18-pulse or better input harmonic cancellation with a power factor above .95 under any operating conditions. This eliminates the need for input harmonic filters or power factor compensation, while completely avoiding any common-mode voltages from being imposed on the motor. The quality of the output voltage is so close to perfect sine-wave shape that motors of literally any type – old or new, low-speed or high-speed – can be operated without any additional stress. Issues related to dV/dt, overheating and increased torsion vibrations are a thing of the past.

Perfect Harmony Drive (Powerpoint - 6MB)


Old / New Conversion

Below is a listing of the old to new lists of switchgear. (Excel Spreadsheets - "right-click", then "Save target as"):


Push Buttons

push button schematic

Push Button Technical Catalogue. (PDF - 3.7MB)

Push Button Selector Manual. (PDF - 3.2MB)



3VL Molded Case Circuit-Breakers

  • The compact design of the SENTRON 3VL circuit-breakers coupled with excellent characteristics fulfills the high demands of today's electrical distribution systems.
  • These circuit-breakers offer a broad product range, improved technology, space savings and easy operation.
  • They are available both in thermal-magnetic (50 A to 1600 A) and in solid-state versions (30 A to 1600 A).


MCCB technical catalogue (PDF - 2MB)

Circuit breakers technical catalogue (PDF - 4MB)



Sirius Switch Contactors

The SIRIUS generation of switch contactors is a complete, modular system family, logically designed right down to the last detail, from the basic units to the accessories.

Sirius Switch Contactors


Sirius Contactor Technical Catalogue. (PDF - 10MB)


Circuit Breakers

3RV1 circuit-breakers are compact, current limiting circuitbreakers which are optimized for load feeders. The circuitbreakers are used for switching and protecting three-phase induction motors of up to 45 kW at AC 400 V and for other loads with rated currents of up to 100 A.

Short-circuit protection

If a short-circuit occurs, the short-circuit releases of 3RV1 circuitbreakers isolate the faulty load feeder from the mains supply and thus prevent further damage.

Circuit-breakers with a short-circuit breaking capacity of 50 kA or 100 kA are virtually short-circuit proof at a voltage of AC 400 V, since higher short-circuit currents are not to be expected in practice. Motor protection The tripping characteristics of 3RV10/3RV11 circuit-breakers are designed mainly to protect three-phase induction motors.

The circuit-breakers are therefore also referred to as motor circuit-breakers. The rated current In of the motor to be protected is set on the setting scale. Factory setting of the short-circuit release is 13 times the rated current of the circuit-breaker. This permits trouble-free start-up and ensures that the motor is properly protected.

The phase failure sensitivity of the circuit-breaker ensures that it is tripped in time in the event of a phase failure and overcurrents that occur as a result in the other phases.
Circuit-breakers with thermal overload releases are normally designed in accordance with trip class 10 (CLASS 10). Circuitbreakers of sizes S2 and S3 are also available in class 20 (CLASS 20) and therefore allow motors to be started up under arduous conditions.

Motor protection with overload relay function (automatic reset)

Circuit-breakers for motor protection with overload relay function are designed for the protection of three-phase induction motors.

They are equipped with the same short-circuit release and overload release as circuit-breakers for motor protection without overload relay function. The circuit-breaker always remains closed in the event of an overload. The overload release activates only two auxiliary contacts (1 NO + 1 NC). The overload trip can be signaled to a higher-level control with the help of these auxiliary contacts.

Generally, it is also possible to open a downstream contactor directly.
The overload signal is reset automatically. The circuit-breaker itself only trips if a short-circuit occurs downstream.

Plant protection

The 3RV10/3RV11 circuit-breakers for motor protection are also suitable for plant protection.
In order to prevent premature tripping due to phase failure sensitivity, the three conducting paths must always be uniformly loaded. The conducting paths must be connected in series in the case of single-phase loads.

Sirius Circuit Breaker Technical catalogue. (PDF - 2.5MB)


Fused isolators & fuses

Switch disconnectors and isolators

3KM switch disconnectors with fuses protect against overload and short-circuits as main control and EMERGENCY STOP switches of switch boards, distribution boards, power supply and motor outgoing feeders. In conjunction with Siemens SITOR semiconductor fuses, they are also used in UPS systems, frequency converters and capacitor control systems.

All 3K switch disconnectors are climate-proof and meet the requirements of IEC 60947-1, IEC 60947-3 and VDE 0660 Part 107.

switch isolators

Fused Isolators & Fuses Technical catalogue. (PDF - 1.2MB)


Load Feeders

  • Completely factory-wired motor starters for switching and protecting any three-phase loads
  • Can be used as a direct-on-line, reversing or soft starter
  • Standard motor starter with circuit-breaker contactor combination up to 5.5 kW
  • High Feature motor starter with a combination comprising starter circuit-breaker, solid-state overload protection and contactor or soft starter up to 7.5 kW
  • With self-assembling 40/50 A power bus, i.e. the load voltage is only supplied once for a group of motor starters
  • Hot swapping is permissible
  • Inputs and outputs for activating and signaling the statistics have been integrated
  • Diagnostics capability for active monitoring of the switching and protection functions
  • Can be combined with expansion modules: Brake control module for controlling electromechanical brakes in induction motors and with two optional inputs for special functions (for quick stop with the Standard motor starter and for parameterizable special functions with the High Feature motor starter)
  • For combining with SIGUARD safety systems for use in safety related subsystems (EN 954-1)

load feeder  soft starter  circuit-breaker contactor combination

Load Feeders Technical catalogue. (PDF - 5MB)


Overload Relays

The Siemens solid-state overload relays up to 630 A with internal power supply have been designed for current-dependent protection of loads with normal and heavy starting (see Functions) against excessive temperature rises due to overload, phase unbalance or phase failure.

An overload, phase unbalance or phase failure result in an increase of the motor current beyond the set motor rated current. This current rise is detected by the current transformers integrated into the devices and evaluated by corresponding solid-state circuits which then output a pulse to the auxiliary contacts. The auxiliary contacts then switch off the load by means of a contactor. The break time depends on the ratio between the tripping current and operating current and is stored in the form of a long-term stable tripping characteristic (see Characteristics). The "tripped" status is signaled by means of a switch position indicator (see Functions). The contactor is either reset manually or automatically (see Functions) after the recovery time has elapsed (see Functions).

The devices are manufactured in accordance with environmental guidelines and contain environmentally friendly and recyclable materials. They comply with important worldwide standards and approvals.

Overload Relay

Sirius Overload Relays Technical catalogue. (PDF - 1MB)


Power Monitoring Device

Sentron PAC3200



When, where and how much power is consumed?



SENTRON PAC3200 Power Monitoring Device makes consumption transparent

A sustainable reduction of power costs first requires an analysis of the electrical system’s current consumption and power flows. Our SENTRON PAC3200 multimeter provides you with the required information as it precisely and reliably detects the power values of electrical feeders and individual consumers. It paves the path for reducing your power costs.

The SENTRON PAC3200 power monitoring device can be employed in both industrial applications and functional buildings, wherever electric power is consumed. The compact and powerful device detects all consumption data in a very precise and reliable manner and makes the power flows of an electrical system transparent.

To further measure data processing, the SENTRON PAC3200 can be easily connected to superior automation and power management systems – including to our modular SIMATIC powercontrol power management software.

Power measuring with SENTRON PAC3200

The SENTRON PAC3200 power monitoring device detects the values for active, reactive and apparent power per phase and overall system, both in high and low tariff. It measures ratings and power values via the four quadrants, i.e. power import and export are measured separately.

The SENTRON PAC3200 also allows for the determination of the power demand per measuring period, which can be set in a range from 1 to 60 minutes. Typically, the power consumption over the previous 15-minute time frame is continuously measured here.

Power Monitoring Devices . (PDF - 700kb)

Power Monitoring Device technical catalogue. (PDF - 1.5MB)


Soft Starter Applications

  • Pumps
  • Fans
  • Compressors
  • Water Transport
  • Conveying Systems and Lifts
  • Hydraulics
  • Machine Tools
  • Mills
  • Saws
  • Breakers
  • Mixers
  • Centrifuges
  • Industrial Cooling and Refrigerating Systems

Equipped with modern, ergonomic user prompting the SIRIUS 3RW44 soft starters can be commissioned quickly and easily using a keypad and a menu-prompted, multi-line display with background lighting. The optimized motor ramp-up and ramp-down can be effected quickly, easily and reliably by means of just a few settings with a selectable language.

Four-button operation and plain-text displays for each menu point guarantee full clarity at every moment of the parameterization and operation. During operation and when control voltage is applied, the front panel continuously presents measured values and operating values as well as warnings and fault messages. An external display and operator module can be connected by means of a connection cable to the soft starter, thus enabling active indications and the like to be read directly from the control cabinet door.

The SIRIUS 3RW44 soft starters are equipped with optimum functionality. An integral bypass contact system reduces the power loss of the soft starter during operation. This reliably prevents heating of the switchgear environment.

The SIRIUS 3RW44 soft starters have internal intrinsic device protection. This prevents thermal overloading of the power section's thyristors, e.g. due to unacceptably high closing operations. Wiring outlay for installing an additional motor overload relay is no longer needed as the SIRIUS 3RW44 soft starters perform this function too. In addition they offer adjustable trip classes and a thermistor motor protection function. As an option the thyristors can also be protected by SITOR semiconductor fuses from short-circuiting. And even inrush current peaks are reliably avoided thanks to adjustable current limiting.

As a further option the SIRIUS 3RW44 soft starters can be upgraded with a PROFIBUS DP module. Thanks to their communication capability and their programmable control inputs and relay outputs the SIRIUS 3RW44 soft starters can be very easily and quickly integrated in higher-level control system.

In addition a creep speed function is available for positioning and setting jobs. With this function the motor can be controlled in both directions of rotation with reduced torque and an adjustable, low speed.
On the other hand the SIRIUS 3RW44 soft starters offer a new, combined DC braking function for the fast stopping of driving loads.


  • Soft starting with breakaway pulse, torque control or voltage ramp, adjustable torque or current limiting as well as any combination of these, depending on load type
  • Integrated bypass contact system to minimize power loss
  • Various setting options for the starting parameters such as starting torque, starting voltage, ramp-up and ramp-down time, and much more in three separate parameter sets
  • Start-up detection
  • Inside-delta circuit for savings in terms of size and equipment costs
  • Various ramp-down modes selectable: free ramp-down, torque-controlled pump ramp-down, combined DC braking
  • Solid-state motor overload and intrinsic device protection
  • Thermistor motor protection
  • Keypad with a menu-controlled, multi-line, graphic display with background lighting
  • Interface for communication with the PC for more accurate setting of the parameters as well as for control and monitoring
  • Simple adaptation to the motor feeder
  • Simple mounting and start-up
  • Display of operating states and fault messages
  • Connection to PROFIBUS with optional PROFIBUS DP module
  • External display and operator module
  • Mains voltages from 200 to 690 V, 50 to 60 Hz
  • Applicable up to 60 °C (derating from 40 °C)

Soft Starter Overview. (PDF - 1MB)

Soft Starter technical catalogue. (PDF - 1.2MB)



LOGO! is a universal logic module made by Siemens. LOGO! integrates:

  • Controls
  • Operator and display panel with background lighting
  • Power supply
  • Interface for expansion modules
  • Interface for the program module (card) and a PC cable
  • Pre-configured standard functions, e.g. on- and off-delays, pulse relay and softkey
  • Timer
  • Digital and analog flags
  • Inputs and outputs, according to the device type.

What LOGO! can do for you

LOGO! offers solutions for domestic and installation engineering (e.g. for stairway lighting, external lighting, sun blinds, shutters, shop window lighting etc.), switch cabinet engineering, as well as for mechanical and apparatus engineering (e.g. for gate control systems, air-conditioning systems, or rainwater pumps etc.). LOGO! can also be implemented for special control systems in conservatories or greenhouses, for control signal processing and, by connecting a communication module (e.g. ASi), for distributed local controlling of machines and processes.

Special versions without operator panel and display unit are available for series production applications in small machine, apparatus, switching cabinet and installation engineering.

Programming manual for Logo! (PDF - 2.5MB)

Technical catalogue for Logo! (PDF - 1MB)


Simocode electric motor management systems

motor management system   variable motor management system
The compact motor management system for direct and reversing starters: Presently the most cost-effective, communication capable motor management system of its class. This makes SIMOCODE pro C the optimum solution – especially when changing over from a conventional to a communication-capable motor feeder.

The variable motor management system:
It offers an even higher functional scope.

Not only this, but the V motor management systems can be expanded by precisely those functions that you require in your motor feeder. Up to five optional expansion modules can be connected.


Simocode Pro motor management system brochure. (PDF - 1.8MB)

Simocode Pro technical catalogue. (PDF - 1.5MB)


Compact Starters

  • Compact StartersSpace savings in the control cabinet, thanks to compact design
  • Minimized engineering, installation, and selection cost as a result of a single complete device
  • Fewer variants, thanks to wide ranges of control voltage and current settings
  • Maximize system availability, thanks to removable terminals for fast device replacement and integrated functions such as disconnection upon end of service life
  • Efficient power distribution with the corresponding SIRIUS 3RA6 infeed system
  • Integration in Totally Integrated Automation, thanks to optional connection to AS-Interface

Compact Starters Technical catalogue. (PDF - 1.5MB)


Fully type tested panels

Master Your Power Requirements - With our Systematic Support

High power volumes, countless consumers, maximum availability around the clock? No matter how turbulent your power distribution requirements – our integrated low-voltage power distribution products and systems support you by competently mastering your power requirements in all situations and throughout your power distribution systems' entire service life. Our matched and powerful components help you to considerably reduce your investment costs and risks. You will benefit from the components’ modularity and intelligence over the complete utilization period and thus keep a tight control of your operating costs while exploiting maximum system availability.

Type Tested Panels

As an essential component of the “Totally Integrated Power” concept by Siemens, we provide integrated power distribution solutions from the mediumvoltage supply right to the outlet. Communication capability and software modules allow for efficient connection to industrial and building automation, which bears further significant saving potentials. With our systematic support, you no longer need to worry about your power distribution. Our portfolio comprises the following ranges:

  • SIMATIC powercontrol for comprehensive power management
  • SIVACON power distribution boards and motor control centers
  • SIVACON busbar trunking systems
  • SENTRON switching and protection devices

Type Tested Panels Technical catalogue. (PDF - 2.2MB)


Zorc Strike Surge suppressor


ZORC is a unique high frequency transient overvoltage surge suppressor for the protection of motors and transformers from steep wave-front, short rise-time, high magnitude, spikes, surges and other transient voltages, generated by switching, lightning and other sources.

The protective characteristics of ZORC surge suppressor:

  • Eliminates inter-turn insulation failures
  • Extends the life of machine insulation
  • Eliminates multiple pre-strike and re-strike transients associated with vacuum and other switchgear
  • Provides comprehensive insulation co-ordination at all practical surge magnitudes and rise-times

PROTEC Z Extended Brochure (PDF - 600kb)

PROTEC Z LV Combo (PDF - 410kb)

PROTEC Z Technical Data (PDF - 310kb)

AC power manual - (PDF - 4.3mb)

Leine and Linde


Model 800 Series (Heavy duty encoders)

heavy duty encoderWhen the most robust, maintenance-free and cost-effective pulse encoder solution is sought after, the encoders in the Model 800 Series are the first choice of the majority of designers. The optional ADS™ (Advanced Diagnostic System) is a built-in system used for condition-based or preventative maintenance, guaranteeing the reliability of the application.

Demanding environments and electrically or mechanically stressful installations are circumstances the encoders in the Model 800 Series are often exposed to and for which they are well-protected.

Accessories and ready-made design solutions meant to guarantee operation and increase service life which reduce the total cost of the application are also offered as options for the encoder series.

861 pulse encoder dimension sheet. (PDF - 400kb)



Incremental encodersLeine & Linde Encoders are the first encoders available on the world market to be certified according to new international directives.

Leine & Linde is the first manufacturer of incremental encoders a component commonly used in drive systems that was able to certify rotary incremental encoders in the 841-series according to the new international IECEx directive. An Ex area can be known by different names such as “Hazardous Locations”, “Hazardous Areas”, “Explosive Atmospheres”, and the like and relate to areas where flammable liquids, vapors, gases or combustible dusts are likely to occur in quantities sufficient to cause a fire or explosion.

A “three-zone model” in many countries, including those of the European Union, characterizes potentially explosive areas. This model is defined by zone 2 indicating an area in which there is rarely an explosive atmosphere, zone 1 indicating an area in which there are sometimes explosive atmospheres, and zone 0 for an area in which there is always or frequently an explosive atmosphere. The robust and versatile 841-series encoders manufactured by Leine & Linde have been approved for zone 1 with a f lameproof enclosure “d” type of protection. Some commonly classified Ex areas where encoders are used can be found in: Automotive refueling stations or petrol stations, oil refineries, rigs and processing plants, chemical processing plants Printing industries, paper and textiles, Hospital operating theatres, Aircraft refueling and hangars, Surface coating industrie, woodworking areas, sugar refineries, metal surface grinding, especially aluminum dusts and particles.

Because many Leine & Linde customers are operating systems in such areas all over the world, the company has been striving for and has received certification according to the new global standards, IECEx.

Leine & Linde encoders electrical connection brochure. (PDF - 300kb)

Power Quality Meters

G4000 Blackbox - Power Quality in High Definition

G4400 Blackbox. (PDF - 7MB)


G4500 Portable Blackbox - Power Quality in High Definition

Why settle for just a snapshot? Just plug it in and never miss another event

Portable Power Quality Analyzer

Elspec G4500 BLACKBOX

Built on the same innovative technology as the G4400 BLACKBOX, Elspec's G4500 Portable Power Quality Analyzer with its continuous onboard waveform logging is the most advanced power quality meter on the market. No thresholds, no triggers, no configurations required - just plug it in and never miss another event.

  • Superior accuracy - exceeds Class A / Class 0.2 / 0.1 %
  • Simultaneous onboard logging of all parameters
    • RMS, Harmonics, Waveforms, Flicker, Frequency and more...
  • 1024 samples per cycle for up to a year
  • PQSCADA software with Automatic EN50160 and customized report generation
  • Integrated WiFi 802.11b/g and 3 fast Ethernet ports with built-in router
  • Measure transients up to 6kV and 15 times nominal current at high accuracy
  • Built-in battery for more than 2 hours operation during power outages

* All inclusive single line item package includes Mobile Analysis Lab, CT's, cables and durable carrying case.


Elspec G4150 Mobile Analysis Lab

Remote real-time root cause cause analysis; Graphically monitor and control all G4000 series power quality analyzers and historically logged data.

  • Integrated PQSCADA Investigator application
  • Automated device discover tool
  • Fast Ethernet connection
  • Wireless network connection
  • USB
  • Color LCD touch screen
  • Full Tablet PC functionality
Rittal Panels

Innovative trendsetters


  • Small enclosures
  • Compact enclosures
  • Enclosure systems
  • IT enclosure systems
  • Console systems, PC enclosure systems and Industrial Workstations
  • Operating housings and support arm/stand systems
  • Hygienic Design/stainless steel enclosures
  • Ex enclosures

Rittal range of products (Powerpoint - 6MB)

Fibre Optic installation (Blown Fibre)

The Ultimate Solution

Air blown fibre is a method of installing fibre optic cables that relies on the flow of compressed air easing the cable down a tube all the way to its destination – sometimes thousands of meters away. A set of rollers or a caterpillar drive typically feeds the fibre optic cable into the tube.

Air blown fibre has become the preferred installation method for those who value reliability, cost-effectiveness and flexibility. Since its earliest implementation, it has brought about significant changes in the design of fibre optic cables, the tubes into which they are installed, and the networks of which they are the critical element

  • Campus/Business Parks
  • Mining
  • Refineries
  • Power Stations
  • Telemetry
  • Intelligent Transport Systems
  • Fibre to the Home
  • In-Building
  • Military

Blown Fibre Catalogue (PDF - 2.1MB)