Q:How to protect the leakage protector leakage protection?

Also known as leakage relays are often used to maintain an important place for electricity. RCD principle for the use of zero sequence current

Q:How to choose a circuit breaker for home and small office circuits

After installation wiring, press the leakage connector leakage test button, you can create a brief manual leakage to test whether the leakage of electrical action.

Q:Why the first break circuit breaker, after the isolation switch off it?

can not disconnect the charged circuit, so the disconnector should be used in conjunction with the circuit breaker.

Q:s the MCB switch a circuit breaker or a component on the circuit breaker?

or the sum of the maximum power that can be tolerated by the "wire diameter" in each circuit The Whether it is necessary to consider (need coefficient, power factor), if not, in that case only to consider.

Q:Is it possible to switch the lamp directly with a circuit breaker?

Circuit breakers can be used to distribute power, not frequently start the asynchronous motor, the power lines and motors and other protection, when they have a serious overload or short circuit and undervoltage failure can automatically cut off the circuit, its function is equivalent to the fuse switch

Q:Circuit system diagram and circuit breaker connection

Circuit breakers can not only play a role in isolation, you can protect the back of the lines and equipment

Q:Double control switch circuit diagram

In the bedroom you can also have a switch to control the living room lights. The same in the factory in the face of a motor control is very common two things

Q:Leakage circuit breaker old jump how to do

Leakage protection The main role is to solve the leakage problem: how much current out of the phase line, the neutral line will come back how much current

Q:Why the high-voltage circuit is equipped with isolation switch and circuit breaker

The high voltage isolating switch is designed to be able to secure a safe disconnect from the power point when the circuit breaker is overhauled

Q:How is the circuit breaker connected to the circuit system diagram?

Circuit breaker: with over-current, short-circuit automatic trip function, with degaussing arc extinguishing device, can be used to connect, cut off the high current;