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Thyrirstor AC Motor Soft Starters 1,2 And 3 Phase

Single Phase Motor Soft Starter for AC Induction Motor

Single Phase Motor Soft Starter for AC Induction Motor
  • Single Phase Motor Soft Starter for AC Induction Motor
  • Single Phase Motor Soft Starter for AC Induction Motor
  • Single Phase Motor Soft Starter for AC Induction Motor

Approx. Rs 12,500 / Number


Features:

Applications:

Description:

To gradually accelerate the speed of AC induction motor it is required to feed increasing voltage to the motor and such behavior is only possible by connecting a pair of antiparallel SCRs in series with the motor.   The back to back SCRs are controlled by MSST-15 firing card to generate the firing pulses giving the effect of soft start or gradual increasing voltage. Libratherm offers ready to use motor soft starter MSS-1P-XX for single phase induction motor. User has access to set the starting voltage to create the torque and to set the soft start or ramp time. For over load protection, the feedback it taken from CT to monitor the load current and to generate the trip contact in case of over load condition. Once the full speed is achieved, a relay contact is available to energize bypass contactor.

Additional Information:

Two Phase Motor Soft Starter for AC Induction Motor

Approx. Rs 14,500 / Number


Features:

Applications:

Description:
To gradually accelerate the speed of AC induction motor it is required to feed increasing voltage to the motor and such behavior is only possible by connecting a pair of antiparallel SCRs in series with the motor.   The back to back SCRs are controlled by MSST-15 firing card to generate the firing pulses giving the effect of soft start or gradual increasing voltage. Libratherm offers ready to use motor soft starter MSS-1P-XX for single phase induction motor. User has access to set the starting voltage to create the torque and to set the soft start or ramp time. For over load protection, the feedback it taken from CT to monitor the load current and to generate the trip contact in case of over load condition. Once the full speed is achieved, a relay contact is available to energize bypass contactor.

Additional Information:

Three Phase Motor Soft Starter for AC Induction Motor

Three Phase Motor Soft Starter for AC Induction Motor
  • Three Phase Motor Soft Starter for AC Induction Motor
  • Three Phase Motor Soft Starter for AC Induction Motor
  • Three Phase Motor Soft Starter for AC Induction Motor

Approx. Rs 20,500 / Number


Features:
Model Wise Description:

ModelMotor Ratings (HP) @ 440VACMotor Ratings (KW) @ 440VACMax. Starting Current /Continuous currentStd. Sizes 
(H x W x D) mm
MSS-006(1 to 6) HP(0.75 to 4.5) KW20A / 6.2A255 x 170 x 80
MSS-010(7 to 10) HP(5 to 7.5) KW32A /10.5A255 x 170 x 80
MSS-015(11 to 15) HP(8 to 11) KW45A /15A255 x 170 x 80
MSS-020(16 to 20) HP(12 to 15) KW55A / 18A315 x 180 x 240
MSS-035(21 to 35) HP(16 to 26) KW75A / 36A315 x 180 x 240
MSS-050(36 to 50) HP(27 to 37) KW110 / 50A315 x 180 x 240
MSS-075(51 to 75) HP(38 to 55) KW150A / 75A385 x 200 x 240 
MSS-110(76 to 110) HP(56 to 82) KW230A / 115A425 x 285 x280
MSS-150(111 to 150) HP(83 to 111) KW310A / 155A450 x 355 x 355
MSS-200(151 to 200) HP(112.5 to 147) KW410A / 205A450 x 355 x 355
MSS-225(198 to 225) HP(147.5 to 168) KW470A / 235A450 x 355 x 355
MSS-275(226 to 275) HP(170 to 205) KW570A / 300A450 x 355 x 355


Description:
A motor soft starter is a device used with AC electrical motors to temporarily reduce the load and torque in the power train and electric current surge of the motor during start-up. This reduces the mechanical stress on the motor and shaft, as well as the electrodynamic stresses on the attached power cables and electrical distribution network, extending the lifespan of the system.

To gradually accelerate the speed of AC 3 phase induction motor it is required to feed increasing voltage to the motor and such behavior is only possible by connecting SCRs in series with the motor.   The SCRs are controlled by MSST-15 firing card to generate the firing pulses giving the effect of soft start. Libratherm offers ready to use motor soft starter MSS-XX for 3 phase induction motor. User has access to set the starting voltage to create the torque and to set the soft start time. For over load trip, the feedback it taken from internal CT to monitor the load current and to generate the trip contact in case of over load condition. Once the motor achieves full RPM, it is not required to pass the current through the SCRs and hence these SCRs can be bypassed using external bypass contactor.

Additional Information:
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Is this Requirement:

One Time Regular

How soon do you want this:

Immediate After 1 month

Purpose of Requirement:

Reselling End Use Raw Material

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    Kamlesh Panchal

    (Managing Director)

    Libratherm Instruments Private Limited

    Dahisar East, Mumbai, Maharashtra, India

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