A distribution box protection module
A technology for protection modules and distribution boxes, applied in emergency protection circuit devices, emergency protection devices with automatic disconnection, electrical components, etc., can solve problems such as poor contact, circuit leakage, electric shock, fire, etc., to ensure sensitivity and improve Accuracy, effects of improving precision and sensitivity
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[0017] Do further description below in conjunction with accompanying drawing:
[0018] like figure 1 As shown, the present invention includes a distribution box power supply three-phase circuit and a user three-phase circuit. The protection module also includes a current sensor, an auxiliary current sensor, a humidity sensor, a main control module, a transformer and an electromagnetic relay. The current sensor, the auxiliary Both the current sensor and the humidity sensor are connected to the main control module, the main control module is connected to the electromagnetic power supply port of the electromagnetic relay, the on-off interface of the electromagnetic relay is connected to the entrance of the power supply three-phase circuit, and the current sensor is connected to the user Between the high-end live wire and the neutral wire in the three-phase circuit, the humidity sensor is arranged inside the distribution box, and the auxiliary current sensor includes a conductive ...
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