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Item # 1174, STELLAR® SR55 Series Full-Featured Soft Start Motor Starter

SR55 soft starters are fully digital, and use thyristors in all three motor phases for controlled reduced voltage motor starting and stopping. SR55 series starters have an Automatic Application Setup that fully configures the starter for a specific application with one entry. And the SR55 series has built-in internal bypass relays and patented iERS (intelligent Energy Recovery System) that reduces energy costs when used on lightly loaded and oversized motors.





Specifications  · Additional Information  · Applications

Specifications

Brands
AutomationDirect

Current
17 to 477 A

Alternating Current (AC) Voltage
200 to 480 V


Additional Information
  • 24VDC, 110VAC, or 230VAC selectable control voltage
  • Internally bypassed during run
  • Fully programmable, full three-phase motor control
  • Built-in SCR failure protection, full motor overload protection
  • Full data logging (fault records, motor current, operational status, etc.)
  • Easily and separately adjustable motor start and stop times
  • iERS (intelligent Energy Recovery System) saves energy on lightly-loaded motors
  • Can be connected 'in-the-delta', allowing use of a smaller Soft Starter
  • Can be used for motor reversing (with external contactors)
  • Touchscreen with easy-to-navigate menu structure and quick automatic application set up
  • Can be used with local or remote control
  • Integrated Modbus RTU, or optional Modbus TCP or EtherNet/IP communication
  • Optional remote touchscreen available
  • Programmable analog I/O, digital inputs, and relay outputs for remote control
  • IP20, panel mount with optional finger guards for frame sizes 1 and 2 soft starters
  • CE, ETL (CSA C22.2 No.14 and UL 508), REACH, RoHS


Applications
General purpose soft start motor control applications where traditional across-the-line starting or wye-delta starting would typically be appropriate. Typical application types include:
  • Agitator
  • Air Compressor
  • Ball Mill
  • Centrifuge
  • Chiller
  • Conveyor
  • Crusher
  • Escalator
  • Fan (Low and High Inertia)
  • Feeder
  • Grinder
  • Hammer Mill
  • Lathe Machine
  • Mills (Flour, etc.)
  • Mixer (Unloaded or Loaded)
  • Pelletizer
  • Plastic and Textile Machines
  • Press (Flywheel)
  • Pump (Centrifugal)
  • Pump (Positive Displacement)
  • Rolling Mill
  • Saw (Band)
  • Saw (Circular)
  • Screen (Vibrating)
  • Transformer
  • Tumbler
  • Wood Chipper



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