Article code
DER3BDUAL/6D
Description
Earth leakage relay - 6 DIN - aux power supply 48 ÷ 400Vac - visualization by display - no.2 intervention thresholds (trip+alarm) - no.2 output contacts NO-C-NC - control of opening coil - self-diagnostic bydisplay - selectable positive security - permanent control on transducer, inboard electronic, voltage presence - 9DER3BDUAL/6D
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