Earth Leakage Relay

ELR-3C is a compact Earth Leakage Relay, 3 modules wide, to use with separate transformer.

The toroidal transformers suited for this relay are CT-1
or CTA-1 (split core).

Data sheet and connection guide ELR-3C →
Datasheet CT-1 och CTA-1 →
Installation guide RCR-V30 →