3-Phase Monitor
The MODEL 2522 3-Phase Monitor, SKU 2522BM, provides essential protection for industrial systems. This unit monitors for phase loss, low voltage, and phase reversal, ensuring operational integrity. With a nominal voltage of 208/240VAC and an adjustment range of 160-240VAC, it adapts to various system requirements. Its DPDT contact configuration and rapid 0.05-second response time facilitate prompt system intervention. The monitor's robust design includes a 2500 VRMS transient protection for 10ms and an operating temperature range of -20° to +131° F. This device offers reliable performance for critical three-phase applications, supporting both Wye and Delta systems without requiring a neutral connection. Its manual reset type ensures controlled system restarts, preventing unintended equipment cycling. The unit's low 1.5W power consumption contributes to energy efficiency in continuous operation.
3Ph Pwr Mon Dpdt
Specifications
| Monitored Conditions | Phase Loss, Low Voltage, Phase Reversal |
|---|---|
| Reset Type | Manual |
| Contact Configuration | DPDT |
| Nominal Voltage | 208/240VAC |
| Max Input Voltage | 262VAC |
| Adjustment Range | 160-240VAC |
| Frequency | 60Hz |
| Power Consumption | 1.5W |
| Transient Protection | 2500 VRMS for 10ms |
| Repeat Accuracy | ±0.1% of set-point (fixed conditions) |
| Response Time | 0.05 seconds |
| Reset Time | 0.05 seconds |
| Dead Band | 2% |
| Contact Rating | 5 amps, 115VAC resistive |
| Contact Rating | 870 VA, 30VDC, 300VAC |
| Expected Relay Life (Mechanical) | 10 million operations |
| Expected Relay Life (Electrical) | 100,000 operations at rated load |
| Operating Temperature | -20° to +131° F |
| Humidity Tolerance | 97% w/o condensation |
| Enclosure Material | ABS plastic |
| Mounting | 11-pin socket (order separately) |
| Socket Part Number | 51X016 |
| System Compatibility | Wye or Delta systems |
| Neutral Connection | Not required |





