MK 9837N

Detection of over- or under frequency of alternating voltage (1,5 – 600 Hz)
Measuring range AC 15 … 280 V/30 … 550 V
As option with measuring input for inverters
Adjustable hysteresis
Adjustable start up time delay 0 … 50 s at function under frequency
Galvanic separation between measuring input, auxiliary voltage and output contacts
2 changeover contacts
LED indication for auxiliary voltage, measuring voltage and alarm status

Product catalogue Website

Modular connectors (4)