Phase Monitoring Relays Provide Voltage Control for Three-Phase Power Systems

Description

Phase and voltage control functions for three-phase power systems in industrial applications are possible with the
flare CONTROL P3-L & P3-LTN Series relays.

Incorrect sequence in motor phases change the rotational direction of the motor, which may potentially cause catastrophic results. P3-L relays, which provide basic phase control (phase sequence, phase position, and phase failure) for voltages from 200 to 500VAC, detect phase imbalances before damage can occur.

P3-LTN module delivers advanced control functions, including voltage balance, adjustable time delays, and overvoltage/undervoltage monitoring, as well as accommodates four-wire, three phase systems with a neutral connection. Both modules feature one changeover contact, in addition to multiple LEDs for monitoring and diagnostics.

Specs

  • Operating temperature: -20 to 60°C
  •  P3-L module: 200 to 500 VAC
  • P3-LTN module: advanced control functions, including voltage balance, adjustable time delays, and overvoltage/undervoltage monitoring
  • Housed in 22.5 mm wide DIN rail modules,

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