DFC01 is a precise frequency monitoring relay. It monitors its own power supply.

Overfrequency and underfrequency can be monitored separately with two independent setpoints, delay times and relay outputs.

The LED’s indicate the state of the alarm and the output relay.

Features

• Over and under frequency monitoring relay

• Measures if power supply frequency is within set limits

• Measures on own power supply

• Separately adjustable upper/lower level on relative scale

• Separately adjustable delay functions (0.1 to 30 s)

• Output: 2 x 8 A SPDT relays

• For mounting on DIN-rail in accordance with DIN/EN 50 022

• 45 mm Euronorm housing

• LED indication for relays, alarm and power supply ON