Detection ranges from 30 mA → 10 A with a connected ND 5019 differential current transformer Programmable for automatic or manual reset after error rectification Rest current principle With advance warning Delete and test buttons Wire breakage detection Short reaction time Adjustable response delay LED displays for auxiliary voltage and contact position 2 x 1 changeover
Detects insulation faults in earthed networks such as RCCBs but without interruption. For monitoring and preventive maintenance of electrical systems.