Schneider Electric Zelio control relay for 3-phase detection of phase-loss and

The Zelio RM22 control relay range brings to market 2 new key improvements.- The backlight LED dials for adjustment makes it easy to use in any condition, even in dusty or poorly lit enviroments. - The built-in testbutton simplifies commissioning and troubleshooting by a push of a button.RM22TG20 is a simple 3-phase control relay for measuring phase sequence and phase fault. The measurement is made directly through the supply terminals L1, L2 and L3 on the top of the relay.There is no adjustment of the relay. If all 3 phases are present and in the right sequence then the output is set.The relay has 2 LED's on the front which indicates if there is supply to the relay (Un) and the state of the relay output (R).Testknappen aktiverer udgangen når der er forsyning på kontrolrelæet.