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 percent to 100 percent, 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
Manufacturer Aliases
Time Mark has several brands around the world that distributors may use as alternate names. Time Mark may also be known as the following names: