Model 2644 3-Phase Monitor
The Model 2644 3-Phase Monitor provides essential protection for industrial systems. It detects phase loss, low voltage, and phase reversal, safeguarding critical equipment from potential damage. With a nominal AC voltage of 480VAC and an adjustment range of 380-480V at 60Hz, this monitor offers precise operational control. Its Auto Reset function simplifies system recovery, minimizing downtime and reducing manual intervention. The DPDT 10 amp output contacts ensure reliable switching capabilities for various applications. Designed for durability, it operates effectively within a -20° to +131° F temperature range and maintains functionality in 0-97% humidity without condensation. This unit delivers consistent performance in demanding environments, contributing to operational continuity and system longevity. A 5-year unconditional warranty underscores its robust design.
3-Ph Pwr Mon
Specifications
| Reset Type | Auto Reset |
|---|---|
| Nominal AC Voltage | 480VAC (phase to phase) |
| Adjustment Range | 380-480V |
| Frequency | 60Hz |
| Power Consumption | 4.5W |
| Function | Detects Phase Loss, Low Voltage and Phase Reversal |
| Warranty | 5 Year Unconditional Warranty |
| Transient Protection | 2500 VRMS for 10ms |
| Repeat Accuracy | ± 0.1% of setpoint (fixed conditions) |
| Response Time | Adjustable 0.2 to 20 seconds ±10% |
| Dead Band | Approximately 2% |
| Output Contacts | DPDT 10 amps 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 |
| Agency Approvals | UL Recognized and CSA Certified |
