IP 5883 AC/DC sensitive (type B) according to IEC/EN 62 020,0663, AC/DC sensitive type B according to IEC 60755 A2, for detecting insulation faults in earthed networks, LED display for operation, pre-warning and alarm, 4 measuring ranges from 10 mA to 3 A, storing error message and pre-warning, adjustable switching delay, closed-circuit or open-circuit principle, test function, LED bar display for fault current, analog output, wire break detection suitable converter d=35 mmsuitable converter d=35 mm