PMD Series

PMD120

Lead Time: 10 Days

$203.45 (USD) / EACH

Description Of Function

When the proper 3-phase line voltage is applied to the unit and the phase sequence (rotation) is correct, the relay is energized after the Restart Delay is completed. Any one of five fault conditions will de-energize the relay after a delay. As standard, re-energization is automatic upon correction of the fault condition. Manual reset is available if an external momentary N.C. switch is connected to terminals 4 and 5. A bi-color status LED indicates normal condition and also provides specific fault indication to simplify troubleshooting (see right).

Function Chart

Product Overview

Features
  • Universal voltage range of 190-500V AC on PMDU provides the flexibility to cover a variety of applications with one unit (separate 575V-only version available)
  • Protects against phase loss, phase reversal, phase unbalance, undervoltage and overvoltage
  • True RMS voltage measurement ensures accurate sensing across more applications
  • Retains fault indication and continues monitoring all voltages even with a lost phase
  • Manual reset option works with external switch to reset the relay from the ouside of enclosure
  • Full fault indication on top of unit for easy troubleshooting
  • Pilot Duty Rating
Enclosure Style

Mounts on 35mm DIN rail or panel mounted

Configuration / Contact Rating
  • DPDT
  • 10A @ 277V AC/30V DC; 1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120/240V AC (N.C.)
Application Information
  • Load (Burden): Less than 40 VA
  • Minimum/Maximum Voltage: 156-550V (PMDU); 77-152V (PMD120): 345-660V (PMD575), all 50/60Hz. +5%
  • Reset: As standard, the PMD Series relays are in the Automatic Reset mode. However, they can be set in the Manual Reset mode by connecting an external N.C. switch across terminals 4 and 5. Upon application of line voltage, the PMD Series will go into Manual Reset mode if it recognizes a closure across terminals 4 and 5. After a fault clears, the relay will not reset until the N.C. switch is opened.
  • Output Contacts: 10A @ 277V AC/30V DC; 1/2HP @ 120/240V AC (N.O.),1/3HP @ 120/240V AC (N.C.), B300 Pilot Duty, R300 (N.O.)
  • Life: Mechanical: 10,000,000 operations, Full Load: 100,000 operations
  • Temperature: -28° to 65° C (-18° to 149° F)
Approvals
UL #: E109466

Operation

When the proper 3-phase line voltage is applied to the unit and the phase sequence (rotation) is correct, the relay is energized after the Restart Delay is completed. Any one of five fault conditions will de-energize the relay after a delay. As standard, re-energization is automatic upon correction of the fault condition. Manual reset is available if an external momentary N.C. switch is connected to terminals 4 and 5. A bi-color status LED indicates normal condition and also provides specific fault indication to simplify troubleshooting.

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