青岛四方泰合电气设备 Automation control Equipment Manuals

Qingdao Quartet Taihe electrical equipment SFD-8 analog Switch breaker technology Manual

The SFD-8 analog switch circuit breaker is an improved device used for the whole group test of power system power-off protection devices or complete relay protection screens. It can simulate the opening and closing time of the circuit breaker, avoiding adverse effects on the circuit breaker due to repeated tests.

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