Dold Current Monitoring Relay, DPDT, DIN Rail

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.

IEC 255, EN 61 557, VDE 0413