3-Phase Monitor
The D259 3-Phase Monitor provides essential protection for industrial systems. Its adjustable trip and restart delays allow for precise control over motor and equipment operation, minimizing downtime. Users can fine-tune voltage levels within a 450-600VAC range to match specific application requirements, enhancing system stability and preventing damage. Featuring DPDT 600VAC output contacts, this monitor ensures robust switching capabilities for critical loads. With transient protection up to 2500V for 10ms and a repeat accuracy of ± 0.1%, the D259 maintains consistent performance in demanding environments. The unit operates reliably across a wide temperature range from -20° to +131° F and tolerates 0-97% humidity without condensation. A 5-year unconditional warranty underscores its durability and long-term operational value, offering peace of mind for continuous industrial processes.
3Ph Pwr Mon
Specifications
| Output Contacts | DPDT 600VAC |
|---|---|
| Trip & Restart Delays | Adjustable |
| Voltage Level | Adjustable |
| Warranty | 5 Year Unconditional |
| Nominal AC Voltage (phase to phase) | 575VAC |
| Adjust Range (VAC) | 450-600 |
| Frequency | 60Hz |
| Power Consumption | 4.2W |
| Transient Protection | 2500V for 10ms |
| Repeat Accuracy | ± 0.1% (fixed conditions) |
| Response Time | Adjustable 1 to 5 seconds |
| Reset Time | Adjustable 0.2 to 10 minutes |
| Reset Type | Automatic |
| Dead Band | Approximately 2% |
| Output Contacts Type | DPDT |
| Output Contact Rating | 3A at 480/600VAC, 80% PF |
| Output Contact Rating | 10A at 240VAC, 80% PF 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 | 20 gauge steel |
| Mounting | Surface |





