Littelfuse, Inc. Relays, Contactors & Transformers - Protection Relays - Ground-Fault Relays - Series: SE-703 - SE-703-0D SE-703-0D

The SE-703-0D is a microprocessor-based earth-leakage monitor for resistance- and solidly earthed systems, operating on 12/24 Vdc. It provides sensitive ground-fault detection from 25 mA to 500 mA with adjustable time delays from instantaneous to 500 ms. The unit features two isolated Form C output contacts, a 0-5 V analog output, CT-loop monitoring, harmonic filtering, and non-volatile trip memory. It is conformally coated, supports fail-safe output mode, and meets AS/NZS 2081:2011 compliance. The device mounts on DIN rail or via optional PMA-55 or PMA-60 adapters, with dimensions of 75 mm H × 55 mm W × 115 mm D. It is CSA certified, UL Listed, CE marked, and RCM compliant.