True RMS Voltage Monitor
The MODEL 26 True RMS Voltage Monitor provides precise voltage monitoring for industrial applications. Its 80-550 VAC input range accommodates diverse system requirements, ensuring broad compatibility. Users can configure high and low voltage set points, along with adjustable trip delays, to suit specific operational parameters. The device offers user-selectable relay operation options, including HI-LO or DPDT, and fault energization choices, enhancing system flexibility. With a robust Lexan 920 polycarbonate enclosure and a UL 94 V-0 flammability rating, it ensures durability and safety. DIN Rail 35mm mounting simplifies installation and integration into existing panels. This monitor delivers reliable performance for critical voltage supervision tasks, contributing to system stability and protection. Its design prioritizes functional adaptability and consistent operation in demanding industrial environments, minimizing downtime.
1Ph Voltage Monitor
Specifications
| Input Voltage (VAC) | 80-550 Volts |
|---|---|
| Input Current | 1mA |
| Input Frequency | 50/60Hz (400Hz optional with jumper) |
| DC Power | 24 Volts, 2 watts |
| Output Rating (Resistive) | 240V AC, 10A |
| Output Rating (General Use) | 120V AC, 4A |
| Output Rating (General Use) | 240V AC, 2A |
| Output Rating (Pilot Duty) | C300, Pilot Duty |
| Start-up Delay | 5 secs. Min. or Automatic reset delay setting (to allow for solid lock) |
| Output Contacts | SPDT x 2 10 Amps @ 240VAC |
| Repeat Accuracy | ± 0.5% (fixed conditions) |
| Reset Type | Manual or Automatic |
| Expected Relay Life (Mechanical) | 10 million operations |
| Expected Relay Life (Electrical) | 100,000 min. at rated load |
| Operating Temperature | -20°F to +130°F |
| Humidity Tolerance | 0-97% w/o condensation |
| Enclosure Material | Lexan 920, Polycarbonate |
| Enclosure Flammability Rating | UL 94 V-0 1.5 mm |
| Mounting | DIN Rail 35mm |
| Display Accuracy | +/- 0.5% |
| Relay Operation Options | User selectable High-Low or DPDT |
| Fault Energization Options | Energize on fault or de-energize on fault |
| High Voltage Setting (Factory Default) | Enabled, Set point = 550V, Delay = 5S |
| High Voltage Set Point Range | Low setpoint + 1% to 550V in 0.5V steps |
| High Trip Delay Range | 0 to 20.0 seconds in 0.1Sec steps |
| Low Voltage Setting (Factory Default) | Enabled, Set point = 80V, Delay = 5S |
| Low Voltage Set Point Range | 80 to High Setpoint -1% in 0.5V steps |
| Low Trip Delay Range | 0 to 20.0 seconds in 0.1Sec steps |
| Relay Operation (Factory Default) | HI-LO |
| Relay Operation on Fault (Factory Default) | De-energize on fault |
| Restart (Factory Default) | Automatic |
| Automatic Restart Delay Range (Factory Default) | 5S |
| Automatic Restart Delay Range | 0 to 300.0 Seconds in 0.1Sec steps |





