Earth Leakage Relays – DR30

Earth Leakage Relays without built-in toroidal transformer

Superimmunized multirange relay with automatic reclosing

  • Electronic relays with automatic reclosing up to 3 attempts with defined (1 m) or adjustable (1 to 60 s) time.
  • Adjustable time delay and sensitivity.
  • Suitable for direct pulse current.
  • Immune to external disturbances.
  • Very high level of immunity.
  • Modular size. DIN rail mounting.
  • To be used with CT-1 and CTD-1 toroidal transformers
  • Suitable for electrical distribution boards in general.
  • Sealable front cover.

DR30F

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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.