意大利DOSSENA
DOSSENA DER3BDUAL/2I
型号: DER3BDUAL/2I
(replacement for DER3B/2I) Earth leakage relay – Flush mounting 96X96 - 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 by display – selectable positive security – permanent control on transducer, inboard electronic, voltage presence Order code 9DER3BDUAL/2I
DOSSENA DER3BDUAL/2I 基本属性
净重:0.3700 KG