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The PLS Series is a low cost phase sensitive control that provides an isolated contact closure when the proper A-B-C phase sequence is applied. Protects sensitive 3-phase equipment and equipment operators from reverse rotation. Designed to be compatible with motor overloads or other 3-phase equipment protection devices. Protection for equipment control centers where frequent reconnection or electrical code makes reverse rotation protection essential. Examples include: mobile refrigerated containers, construction equipment, hoists, pumps, conveyors, elevators and escalators.

The internal relay and LED are energized when the phase sequence is correct. The output relay will not energize if the phases are reversed. Reset is automatic upon correction of the fault.

  • Input Voltage (V): 175 to 255VAC
  • Input Type: 3-phase delta or WYE with no connection to neutral
  • Input AC Line Frequency (Hz): 50/60Hz
  • Input Phase Sequence: ABC
  • Maximum Output Voltage (V): 250VAC
  • Output Type: Electromechanical relay energized when the phase sequence is correct
  • Output Form: Isolated SPDT
  • Output Load Rating (VA): 120 and 240VAC: 10A resistive @ 240VAC; 380 and 480VAC: 8A resistive @240VAC
  • Drop_out Response Time (ms): 50ms
  • Pull-in Response Time (ms): 300ms
  • Isolation Voltage (V): 1500V RMS input to output
  • Termination Type: Octal 8-pin plug-in
  • Mounting Method: Plug-in socket
  • Operating Temperature: -40° to 55°C (-40°F to 131°F)
  • Storage Temperature (F/C): -40° to 85°C (-40°F to 185°F)
  • Dimensions: 3.20 x 2.39 x 1.78 in. (81.3 x 60.7 x 45.2mm)
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Product Type:

Voltage Meter




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