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Circuit Breaker Timer

C B TIMER is a very compact and portable instrument which compromises of three nos. Programmable Time Interval Meters with necessary terminals, switches, indicators and miniature relays housed in a sunmica laminated wooden box. Two pairs of terminal are provided for DC supply (Input) and Trip/Close coils while three pairs of terminals for three “CONTACTS” (viz. Main/resistor/ auxiliary) of the Circuit Breakers. The CB Timer operates on 230 V AC mains supply. The T.I. Meters automatically record the trip/close timing of each of the contacts, with memory retention of 10 years.

Circuit Breaker Timer


  • Time Interval Meters: 4 digit, auto ranging (programmable).
  • Range: 0.0001 to 9999 Secs.
  • Accuracy: 0.05%.

  • Dimensions: 13" x 9" x 6" approx.