Circuit Breaker Tester

CBT20 designed to test circuit breakers having one main contact per Phase. Coil currents are measured automatically and presented together with other readings immediately after testing on the display window or via the built-in printer.


Suitable for any production of SF6, GIS combination of electrical, Vacuum, Oil type of Circuit Breaker testing.

Anti-jamming capability, 500KV substation the bypass bus charged case can easily test to accurately measure.

Universal speed sensor, straight line linear sensor, rotary sensor, extremely easy to install and simple.

Real-time clock, easy to the archive saved the test result.

Easy look screen, wide temperature, direct perspective, backlight LCD display and contrast adjustment, power and memory.