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The Macromatic PMPU-FA12X is a three phase monitor relay. This 12 Pin plug-in relay has a line-line voltage of 190-500V. It monitors against 5 different types of phase errors and has an output of 5A DPDT. The LED indicator changes sequence depending on the type of error found, shown by the diagram on top of the unit. The PMPU-FA12X uses a 12 Pin SD12-PC square socket (sold separately). A socket that is rated for 600V should always be used if the system voltage is above 300V.
Note: Image is for reference, actual part may differ
Monitors For:
- Phase Loss
- Phase Reversal
- Phase Unbalance
- Undervoltage
- Overvoltage
Specifications
- Relay Function- Multi-Detection 3-Phase Monitoring
- Line-Line Voltage- 190-500V AC
- Output- 5A DPDT
- Phase Loss- Trips on Phase A, B or C loss
- Phase Reversal- Trips if rotation is something other than A-B-C
- Phase Unbalance- Fixed at 6% unbalance, Trips when one of the 3 lines diverges from the average by more than the set point for longer than the 4 sec trip delay
- Undervoltage- Fixed at 90% of line voltage. Trips when the average of all 3 lines is less than the set point for longer than the 4 sec trip delay
- Overvoltage- Fixed at 110% of line voltage. Trips when the average of all 3 lines is greater than the set point for longer than the 4 sec trip delay
- Operating Temperature- -28 C to 65 C (-18 F to 149 F)
- Storage Temperature- -40 C to 85 C (-40 F to 185 F)
- Output Contacts- 5A @ 277V AC / 5A @ 30V DC; 1/3HP @ 120/240V AC; B300 Pilot Duty
- Life- Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations
- Response Time- Power Up & Restart: 2 seconds
Phase Loss & Reversal: 100ms
Phase Unbalance: 4 sec (Normal), 0.25 sec (Severe >12%)
Under & Overvoltage: 4 sec
- Power Consumption- < 40VA
- Dimensions- 2.4" Height x 1.7" Wdith x 2.9" Depth
- Approvals- UL and CUL Recognized, CE, UL & CUL Listed (with Socket)
This relay uses microprocessor based design along with true RMS measurement to monitor for phase loss, phase reversal, phase unbalance, undervoltage, and overvoltage. True RMS measurement offers more precise monitoring. The universal voltage range makes it useful in a number of applications. This unit can also still function even if a phase is lost, while indicating a fault and monitoring voltage. When the voltage and phase sequence is right, the relay is energized. If a fault is detected, the relay is de-energized. It restarts automatically once the problem is fixed. The undervoltage setting, overvoltage setting, trip delay, restart delay, and unbalanced setting are all fixed. The adjustment knob has two ranges for a 190-250V range & a 350-500V range. The PMPU-FA12X will detect the voltage when introduced and choose the correct range.
Macromatic PMPU-FA12X Relay Installation Manual
Macromatic Universal Voltage Three Phase Monitor Relay PMPU-FA12X
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