The Model 279 DC Current Monitor is a single set-point DC current monitor. It can sense either 1-10 Amps DC (24VAC or 120VAC) or 0.1-1 Amps DC (120VAC). The units have an input frequency of 50/60 Hz. The standard version, the 279B, has a screwdriver adjustable trip and hysteresis setting on top of the device. The hysteresis setting adjusts from 0% to 100%, and can be set fully clockwise for manual reset operation. A remote adjust version, the 279C, has a remote trip adjustment and a remote reset button. An LED indicator is provided on both versions to indicate when the relay is energized (current above the trip setting. ) The 279B plugs into a standard 8-pin octal socket; the 279C plugs into a standard 11-pin socket.
| Time Mark Corporation | |
|---|---|
| Product Category | Protective Relays and Monitoring Relays |
| Product Number | Model 279B-120 |
| Product Name | DC Current Monitor |
| Current Sensitive Relay | Undercurrent |
| Features | Visual Indicator |
| Operating Temp | -20 to 131 F (-28.89 to 55 C) |