Description

The Vanguard CT-7000 is a fully automated digital circuit breaker analyser manufactured by Vanguard Instruments (a Doble company) in the USA. It measures contact travel, timing, velocity, and coil currents of HV circuit breakers during open, close, and open-close-open operations. The CT-7000 generates comprehensive reports and is used for commissioning and predictive maintenance of circuit breakers in transmission substations.