Model 2644 3-Phase Monitor
The Model 2644 3-Phase Monitor offers essential protection for industrial applications. This device monitors 120VAC systems, detecting critical anomalies such as phase loss, low voltage, and phase reversal. Its adjustable response time, ranging from 0.2 to 20 seconds, allows for precise system integration, preventing unnecessary shutdowns or delayed responses. With DPDT 10 amp output contacts, it provides reliable control for connected equipment. The unit operates effectively across a -20° to +131° F temperature range, ensuring consistent performance in varied industrial environments. A 5-year unconditional warranty underscores its robust design and expected relay life of 10 million mechanical operations, minimizing maintenance requirements. This monitor is UL Recognized and CSA Certified, providing a dependable solution for maintaining operational integrity and safeguarding valuable machinery against electrical irregularities. Its auto-reset function further streamlines system recovery.
3Ph Pwr Mon
Specifications
| Reset Type | Auto Reset |
|---|---|
| Nominal AC Voltage | 120VAC (phase to phase) |
| Adjustment Range | 85-120V |
| Frequency | 60Hz |
| Power Consumption | 0.75W |
| 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 |





