Soft Starter for 3-Phase AC Induction Motors

Description

SR55 soft starters are used to control three-phase AC induction motors in general purpose soft start motor control applications where traditional across-the-line starting or wye-delta starting would typically be appropriate and are ideal in applications requiring lower inrush currents. SR55s also have a built-in internal bypass and patented iERS (intelligent Energy Recovery System) that reduces energy costs when used on lightly loaded and oversized motors.

SR55 soft starters are fully digital, provide full motor overload protection, and use thyristors in all three motor phases for controlled, reduced voltage motor starting and stopping.

Specs

  • Designed to withstand up to 477 FLA (at 200-480 VAC)
  • 24VDC, 110 or 230 VAC selectable control voltage
  • Touchscreen with an easy-to-navigate menu structure
  • Quick Automatic Application Setup feature
  • Built-in SCR failure protection, and full data logging (fault records, motor current, operational status, etc.)
  • Integrated Modbus RTU, or optional Modbus TCP or Ethernet/IP communication, as well as programmable analog I/O, digital inputs and relay outputs for remote control
  • Two-year warranty
  • UL listed, CE, REACH, and RoHS approved.
  • Size 1 starters, with 17A to 96A current ratings, start at $975.00;
  • Size 2 starters, with 124A to 180A current ratings, start at $1,605.00, and
  • Size 3 starters with 242A to 477A current ratings start at $2,784.00
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