Board back insertion type circuit breaker characteristic detection and test device
A test device and circuit breaker technology, applied in circuit breaker testing and other directions, can solve problems such as reducing work efficiency, increasing heat loss, and increasing investment costs, eliminating energy consumption and differences, improving accuracy and efficiency, and improving space. The effect of utilization
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[0014] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:
[0015] As shown in Figure 1, the mains 220V is connected to the button SB10 through the rotary switch SN1 after passing through the miniature circuit breaker MC, and then connected to the indicator light to provide independent 220V AC power. The other is connected to the main control circuit. The control circuit includes a pneumatic electrode clamping control circuit and an overload characteristic test circuit. In the pneumatic electrode clamping control circuit, the normally open contact of button SB11 is connected in series with the normally closed contact of button SB12 , Connect the solenoid valve coil QG11 for pneumatic electrode clamping of cylinder QG1, and after the normally open contact of button SB12 is connected in series with the normally closed contact o...
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