Delta RD3B2 – Differential Current Relay (4 Module)
Delta RD3B2 – Differential Current Relay (4 Module)

Delta RD3B2 – Differential Current Relay (4 Module)

Differential Current Relay Manual reset (on the device or remote-controlled) Display of the current differential current IΔn in percentage with 4 LEDs Two-wire connection with ring current transformer Del – DelA, low voltage network Dimensions: 4 TE DIN Relay output: 1 alarm + pre-alarm or alarm with 2 limit contacts (SPDT) Auxiliary voltage: 20…150Vdc/48Vac or 24Vac or 24Vac or 115Vac or 230Vac or 240Vac or 400Vac Selectable threshold: 30mA…30A + pre-alarm 50% – no response delay (t=0) at 30mA
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