Method for making earth leakage protection without action dead region and breaker thereof
A technology of leakage protection and action dead zone, which is applied to emergency protection circuit devices, switches and circuit devices that operate due to overcurrent and other abnormal electrical conditions, and can solve the problem that the protection function of single-phase leakage protectors cannot cover all Range, loss of automatic tripping function, accidental fire accidents and other issues, to achieve the effect of safe electricity use, strong security, and extended protection range
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and typical embodiments.
[0018] exist figure 1 and figure 2 Among them, the main body of the circuit breaker of the present invention, which makes leakage protection without action dead zone, is composed of an external casing 1 and an internal electrical circuit board 2. The casing 1 is provided with an input terminal 10 for the power phase line Φ and an input connection for the neutral line N. Column 11, phase line Φ output terminal 12 and neutral line N output terminal 13, the internal electrical circuit board 2 includes a power supply circuit 3, an electrical detection circuit 4, a control circuit 5 and an action actuator 6, characterized in that: The housing 1 is also provided with a terminal 14 for inputting the ground wire PE; the power supply circuit 3 includes a power supply phase line Φ, a neutral line N, an input ground wire PE, and is composed of rectifier ...
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