Earth Leakage Relays – ELR-B/ELR-3C

Earth Leakage Relays without built-in toroidal transformer

Relay with adjustable delay time and sensitivity ELR-B

  • Electronic relays with adjustable time delay and sensitivity.
  • Suitable for direct pulse current.
  • Immune to external disturbances.
  • To be used with CT-1 and CTD-1 toroidal transformers.
  • Modular size. DIN rail mounting.
  • Sealable front cover.

Multirange Relay ELR-3C

  • Electronic relays with adjustable time delay and sensitivity.
  • Suitable for direct pulse current.
  • Immune to external disturbances.
  • To be used with CT-1 and CTD-1 toroidal transformers.
  • Modular size. DIN rail mounting.
  • Sealable front cover.

ELR-B

ELR-3C

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Related Product

Toroidal Transformers – CT1/CTD1

Earth Leakage Protection & Measurement Transformers for Low Voltage.

To be used with ELR-B, ELR-3C, D30 and DM30 relays.
The transformer and relay assembly sensitivity is fixed by the relay.
The toroidal transformer CTD-1/28 is specifically designed for DIN rail mounting.