3-Phase Monitor
The 2522B 3-Phase Monitor offers essential protection for industrial systems. This device continuously monitors for critical conditions including phase loss, low voltage, and phase reversal, ensuring operational integrity. Its automatic reset function minimizes downtime by restoring operation without manual intervention once faults clear. Featuring a DPDT contact configuration, it provides versatile control capabilities for various applications. Designed for 208/240VAC nominal voltage systems, the monitor exhibits a rapid 0.05-second response time to anomalies, facilitating prompt system response. With a low power consumption of 1.5W and compatibility with both Wye and Delta systems, the 2522B integrates efficiently into diverse electrical infrastructures. Its robust design, including an ABS plastic enclosure and a wide operating temperature range of -20° to +131° F, ensures reliable performance in demanding environments. This monitor contributes to system stability and longevity by safeguarding against common electrical irregularities.
240V 3Ph Pm Dpdt
Specifications
| Monitored Conditions | Phase Loss, Low Voltage, Phase Reversal |
|---|---|
| Reset Type | Automatic |
| 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 |





