Earth leakage relay WRU-10 RAL 0.3-1 A
Electronic differential protection relay with automatic reclosing with built-in 28 mm transformer, constituting one unit.
Superimmunized Type A , with high-frequency current filter and high insulation. Measurement in true root mean square (TRMS) value
Display with leds and back-lit display:
Differential protection/reclosing settings
protection trigger current.
number of reclosures
protection status messages, etc.
Unit with three output contact relays one switched and two simple relays, all programmable. The main relay provides the protection associated with the contactor, one is for the pre-alarm and the other for locking once the maximum number of reclosures is reached.
There is a voltage input for external triggering and reclosing
Fitting: DIN 46277 (EN-50022) profile
Reduced three-module size.
Connection by pluggable terminalsSee RRP