Schneider Electric Zelio control relay for undercurrent or overcurrent detectio

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.RM22JA31MR is a control relay for current measurement.The measurement is done through the M and E1/E2/E3 terminals which offers 3 measuring ranges:M and E1 = 4-40 mAM and E2 = 20-200 mAM and E3 = 100-1000 mAThe control relay is supplied by 24 -240V AC/DC which makes it usable in most applications.The relay has 4 illuminated dials for setting up the function of the relay.On the top dial, you select the type of measurement that you want (overcurrent, undercurrent or a both at the same time).You can also chose if the relay should remember the last measured value in case of a power cut (memory).On the next dial, the measuring limit can be adjusted between 10 and 100% of the selected range.The third dial set the hystereses which can be between 5 and 50%.The bottom dial set the off-delay on the output which can be between 0,1 and 30 seconds.The LED's on the front shows the status of the contacts.The testbutton force the output when the timer is powered on.