3-Phase Monitor with Line Voltage & Phase Sequence Indicator
The Model 2638 3-Phase Monitor provides essential protection for industrial systems by detecting critical conditions such as phase loss, phase reversal, and low voltage. This safeguards connected equipment from potential damage and operational disruptions. With a rapid 0.05-second response time, the monitor ensures prompt system intervention, minimizing exposure to detrimental power anomalies. Its automatic reset function further contributes to operational continuity by reducing manual intervention requirements. Clear LED indicators provide immediate operational status feedback. The unit operates reliably across a wide -20° to +131° F temperature range and features robust SPDT 10A output contacts for versatile integration into various control circuits. This device offers consistent performance and system integrity, supported by a 5-year unconditional warranty, ensuring long-term reliability in demanding industrial environments.
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Specifications
| Feature | Detects Phase Loss, Phase Reversal and Low Voltage |
|---|---|
| Feature | LED Status Indicators |
| Feature | Automatic Reset |
| Warranty | 5 Year Unconditional Warranty |
| Nominal Voltage | 480VAC |
| Frequency | 60Hz |
| Adjustment Range | 380-480 |
| Power Consumption | 6.7W |
| Transient Protection | 2500V for 10ms |
| Repeat Accuracy | ±0.1% (fixed conditions) |
| Response Time | 0.05 seconds |
| Reset Time | 0.05 seconds |
| Reset Type | Automatic |
| Dead Band | Approximately 2% |
| Output Contacts | SPDT 10A at 240VAC resistive |
| 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 | 0-97% w/o condensation |
| Enclosure Material | ABS plastic |
| Mounting | Surface |
