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MSS

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MSS

₹17,325 – ₹118,125

Prices are inclusive of Delivery Charges.

Product Description:

MSS – Three phase Motor Soft Starter

Please refer the Ordering Information table before placing your order
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SKU: N/A Categories: Motor Controllers, Motor Soft Starters
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  • Key Features
  • Technical Specification
  • Ordering Information

Key Features

  • Suitable for 3 phase AC Induction motor up to 205KW (275HP).
  • Semikron make SCR modules (SKKT series).
  • Reduces starting current.
  • Motor connection for both 3 wire close delta (In line) and 6 wire open delta (in-side line).
  • User settable jump start and soft start / ramp time.
  • Accepts start and stop command from external potential free contact.
  • Over load trip facility and built in motor protection.
  • Contactor bypass output and Fault output.
  • Easy to install and maintain.

Technical Specification

ParametersDescription
ConfigurationThree phase close delta (In Line) or open delta (Inside Delta)
Control ActionPhase angle control (self - synchronized)
Control SwitchesFront panel push button switches for Start/Stop to start and stop the motor.
Reset push button switch to use in case of overload trip condition.
(Optionally – the control switch connections can be given on the terminals for external remote operation).
Incomer Supply415VAC/440VAC @ 50Hz. (690VAC – optional)
Output0 to 415/440VAC 3 phase variable voltage to achieve full speed in max. 10-20 Sec.
Smooth ControlAdjustable Ramp Up Time for soft Increase of output voltage.
Motor ProtectionMotor protection against overload, phase failure, and phase reversal. Feedback is taken from built-in current transformers.
SettingsFor adjusting ramp or soft start time and jump start voltage level.
(internally fixed – but accessible to the user for fine adjustments).
LED IndicationsFor Power ON, External Fault, Bypass, Over load Trip, Top of Ramp.
Relay Outputs (DO)For Bypass relay, Fault Relay (Change over contacts).
Load typeSuitable for both 3 phase squirrel cage Induction motor and Slip ring motor.
Aux. Supply Voltage230 VAC +/- 10%, 50/60 Hz. Max – 10VA
Size in mmAs mentioned in Ordering Information table.

Ordering Information

ModelMotor Ratings
(HP) @ 440VAC
Motor Ratings
(KW) @ 440VAC
Max. Starting Current /
Continuous current / Thyristor type
Size (H x W x D) mmPart No.
MSS-006(1 to 6) HP(0.75 to 4.5) KW20A / 6.2A (IXYS50A)255 x 170 x 852118
MSS-010(7 to 10) HP(5 to 7.5) KW32A /10.5A (IXYS50A)255 x 170 x 852119
MSS-015(11 to 15) HP(8 to 11) KW45A /15A (IXYS50A)255 x 170 x 852120
MSS-020(16 to 20) HP(12 to 15) KW55A / 18A (SKKT57A)305 x 185 x 2202121
MSS-035(21 to 35) HP(16 to 26) KW75A / 36A (SKKT106A)325 x 185 x 2452122
MSS-050(36 to 50) HP(27 to 37) KW110 / 50A (SKKT106A)325 x 185 x 2452123
MSS-075(51 to 75) HP(38 to 55) KW150A / 75A (SKKT162)345 x 185 x 2852124
MSS-110(76 to 110) HP(56 to 82) KW230A / 115A (SKKT273A)425 x 285 x 3002125
MSS-150(111 to 150) HP(83 to 111) KW310A / 155A (SKKT330A)455 x 350 x 3502126
MSS-200(151 to 200) HP(112.5 to 147) KW410A / 205A (SKKT573A)455 x 350 x 3502127
MSS-225(198 to 225) HP(147.5 to 168) KW470A / 235A (SKKT573A)455 x 350 x 3502128
MSS-275(226 to 275) HP(170 to 205) KW570A / 300A (SKKT573A)455 x 350 x 3502129

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  • Landline: +91-22-42555333
  • Mobile: +91-81049 71151, +91-9082687279,
    +91-8104971154
  • Email: enquiry@libratherm.com
    • 401-403, Diamond Industrial Estate,
    • Ketki Pada Road, Dahisar (East),
    • Mumbai 400068, Maharashtra, India.
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