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Soft Starter

Soft Starter

Fairford have some of the most reliable soft start products in the industry. With over 30 years of experience in Soft Starters we have pedigree and legacy not to mention over 150 years of experience in our product development department which ensures we remain the most innovative soft start producer in the industry.

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Soft Starter


Synergy ™ – Redefining Soft Starters
With size and cabinet capacity becoming an ever increasing focus we developed the world’s smallest power to size ratio Softstarter. In addition synergy ™ utilises Fairford’s globally renowned Automatic setup feature which allows the user to programme the unit to each individual application using a simple 4 button process. Not only that but in order to keep pace with the modern technology and a fast growing market it removes buttons and uses touch screen technology to bring the user interface to even greater management levels.

With built in SCR failure protection as standard, and full motor overload protection as well as full data logging, field serviceable and upgradeable software and extensive input/output programmability synergy™ meets all of the key design criteria.

More importantly it redefines soft start solutions as we have previously known it.

Features and Benefits

Ease of Use
The display will show all messages in full and in multiple languages. The use of graphic/schematic images will aid understanding. Detailed logging will aid setup and onboard USB will allow configurations to be upload/downloaded and emailed.

Touch Screen
Colour Touch screen on all versions.

Plug n Play
The SoftStarter will ‘tune’ itself to the load.

Auto Set Up
The automatic features in the QFE/XFE will be expanded so that more features can be configured without referring to parameter lists.

Energy optimizing will be combined with bypass to give energy saving in more applications. These energy saving features will be backed up by independent research.

Ability to keep running when thyristors fail. Boards and fans to be replaceable in the field.

2yr warranty, with a 3year extension sold by distributors. This is made economically viable by the comprehensive logging features, so customer abuse can be easily identified.

Future versions will include
Fault Zone Analysis Allowing predictive analysis of motor faults. Motor Efficiency Estimation Estimate motor efficiency.

Technical Data

3-phase SCR Energy Saving Motor Controller

Size 1 up to 100A
Size 2 up to 195A
Size 3 up to 500A

Internally Bypassed

Motor Protection
Full I2T Motor Overload with memory.
Current limit set at 4.5x to meet IEC standards.

Supply Voltages
208, 230, 400,460 volts as standard
Allowing for varying supply frequency 45Hz-65Hz
690V version available 2013

Standard Duty Rating
Trip Class 10
3x 23 or 3.5x 17
5 starts/hours
90% duty

Frame Sizes
Up to 100Amps 95mm wide
Up to 195Amps 142mm wide
Up to 500Amps 205mm wide

Enclosure Type
Up to 195Amps IP20/NEMA 1 – with finger guard
Above 195Amps IP00/NEMA 1
Optional Finger Guards for all sizes to ensure full IP20 enclosures.

Enclosure Construction
Main chassis: Metal
Front Cover: Injection Moulded Plastic
Terminal Covers: Injection Moulded Plastic

Terminal Position
Terminal position/spacing to match common contactors.

Terminal Construction
Up to 195Amps Cage Clamp
Above 195Amps Plain Busbar

Control Voltages
24V DC, 110/230V AC

Ambient Operating Conditions
-20deg C to 50deg C

Energy Optimizing with improved strategies

Super Optimising with Internal Bypass – Yes

In Delta/6 wire connection – Yes
(No energy optimizing)

Display Technology
3.5“ Colour-TFT Touch Screen

Keypad to be fixed and an optional IP55 remote keypad will be available for remote/door fitting.

Multiple language option

3 x NO programmable output relays
1 x NC programmable output relays
3 x programmable digital inputs
1 x PTC thermistor input
1 x 0-10V/4-20m Analogue input
1 x 0-10V/4-20m Analogue output
1 x USB

Standard: ModBus
Optional: Anybus providing CAN, Profibus, Ethernet, DeviceNET

Data Logging
Date of first start (warranty date)
Total number of soft starts.
Number of soft stops.
Number of error events.
kWh Saving Instantaneous/Last Hour/Day/Month/Ever
Operating Duty Indicator (%age of max duty)
Last 100 events start/stop/errors/faults/temps with date/time
Detailed profile for last 10 successful starts/stops.
Detailed profile for last 10 unsuccessful starts/stops.
Display event logs.
Export data in CSV format.

EU/IEC Legislation
IEC 60947-4-2: 2012
Low Voltage Directive
Battery Directive
Energy Using Products/Energy Related Product Directives

Products comply to REACH, SVHC, RoHS and WEEE.

CE, ETL pending, Marine Standards pending

2yrs – (5yrs with extended warranty)

Fan failure to be detected, logged and reported.
Emergency running on 1/2 thyristors.

Field Serviceability
All firmware to be forward/backward compatible.
Firmware to be upgradable from USB port.

Disclaimer – Fairford Electronics reserve the right to change the specifications without notice.


  • 2KW ~2MW

Copyright © Dadeh Pardazan Corporation 2013. All rights reserved.