3-Phase Monitor
The Model 259 3-Phase Monitor provides essential protection for industrial systems. Its adjustable trip and restart delays, alongside an adjustable voltage level, allow for precise system integration tailored to specific operational requirements. Featuring robust DPDT 600VAC output contacts, rated for 3A at 480/600VAC, it capably manages demanding electrical loads. The unit incorporates 2500V transient protection for 10ms, effectively safeguarding connected equipment against unexpected power fluctuations. A repeat accuracy of ± 0.1% under fixed conditions ensures consistent and dependable performance over time. Designed for durability, this monitor offers an expected mechanical relay life of 10 million operations and maintains reliable functionality across an operating temperature range of -20° to +131° F. Furthermore, it is backed by a 5-year unconditional warranty, underscoring its robust construction and reliability in critical industrial applications.
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) | 208/240VAC |
| Adjust Range (VAC) | 160-260 |
| Frequency | 60Hz |
| Power Consumption | 3.3W |
| 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 |
