PMPU
May not be exact product—for reference only.
- Family: 3-PHASE MONITOR RELAY
- Function: PHASE LOSS, PHASE REVERSAL, PHASE UNBALANCE, UNDERVOLTAGE & OVERVOLTAGE
- Monitored Voltage: 190-500V AC
- Output: 10A SPDT
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 pins 6 and 7. A bi-color status LED indicates normal condition and also provides specific fault indication to simplify troubleshooting (see right).
- Load (Burden): Less than 40 VA
- Response Times:
Power Up/Restart After Fault: 1-300 Seconds Adjustable Drop-out Due to:
Phase Loss & Reversal
Phase Unbalance
Undervoltage
Overvoltage
100ms Fixed
0.3 - 30 Seconds Adjustable
0.3 - 30 Seconds Adjustable
0.3 - 30 Seconds Adjustable - Minimum/Maximum Voltage: 156-550V (PMPU); 77-152V (PMP120): 345-660V (PMP575), all 50/60Hz. +5%
- Reset: As standard, the PMP 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 6 and 7. Upon application of line voltage, the PMP Series will go into Manual Reset mode if it recognizes a closure across terminals 6 and 7. After a fault clears, the relay will not reset until the N.C. switch is opened.
- Output Contacts: 10A @ 277V AC / 7A @ 30V DC;
1HP @ 250V AC, 1/2HP @ 125V AC, C300 Pilot Duty - Life: Mechanical: 10,000,000 operations, Full Load: 100,000 operations
- Temperature: -28o to 65o C (-18o to 149o F)
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Approvals:
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