Earth-leakage protection relay ELR-9 series

panel-mountDIN railIEC

This is the essential unit of the new series, especially prompted in those cases, in which its obliged to utilize a diminished flush mounting ELRs choice, without other specific choices. One of its fundamental novelties is the reduced depth at 60mm (with terminals). It may be coupled to any of our Toroidal Transformers of the CT-1(close center) and CTA-1 (part center) families. There are different forms, to address diverse auxiliary supply prerequisites. Their wide time and current setting range, permits to effortlessly select the tripping aspects, keeping in mind the end goal to keep up the contact values underneath 50V, as needed by the IEC gauges. This is additionally the suitable answer for appropriate selectivity, when there are different ELRís or/and RCDís upstream or downstream in the line to be ensured. The instrument, fitted with channels at the information circuits, is resistant to outside external disturbance, including the pulse.