Insulation monitoring with spring clamp - Insulation-/earth fault relay IR420-D4-2 B71016405

Insulation monitoring with spring clamp - Insulation-/earth fault relay IR420-D4-2 B71016405 – Bender – B71016405: Insulation-/earth fault relay Type of electric connection Screw connection, Rated control supply voltage Us at AC 50HZ 70 ... 300V, Rated control supply voltage Us at AC 60HZ 70 ... 300V, Rated control supply voltage Us at DC 70 ... 300V, Voltage type for actuating AC/DC, Function For AC-current system, Rated voltage 0 ... 300V, Rated frequency 42 ... 460Hz, Line capacity 20µF, Response value impedance 1 1 ... 200kOhm, Indication of insulation value, Error registration possible, Number of contacts as normally closed contact 0, Number of contacts as normally open contact 0, Number of contacts as change-over contact 2, Width 36mm, Height 90mm, Depth 70,5mm