Current Injection Relay Tester Circutor CR-100

  • Checks current/time trigger curve of automatic switches and indirect protection relays.
  • Injects adjustable AC current through a short-circuit cable loop.
  • Measures trip time using an auxiliary contact; automatic meter displays results.
  • Tests full protection system, including current transformers for indirect relays.
  • Digital display shows current injected and trip time until reset.

Description

The Circutor CR-100 is a portable secondary current injection relay tester designed for testing and calibrating protective relays. It injects precise AC currents into relay circuits to verify correct operation, trip times, and current settings. The unit is compact and suitable for on-site testing of distribution and transmission protection systems.

Brand

Circutor

1 review for Current Injection Relay Tester Circutor CR-100

  1. John A

    Great Instrument

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