• FCM1 Mold Case Circuit Breaker System 1
FCM1 Mold Case Circuit Breaker

FCM1 Mold Case Circuit Breaker

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FCM 1 Series plastics shell breaker (hereinafter refered to be breakers)is designed with the rated insulation voltage of 800V,The breakers are fit for the power distribution electric grids and circuits of AC 50HZand with the rated pocrating voltage voltage up to 690v and rated current up to 1600A.they are interested for protecting the circuit from non-frequent switching and for protecting motors from non-frequent starting,in addition.they are also intended for protecting the circuits and powerequipment from damages arising from overload ,short circuit,under voltage .etc.as well as preventing the line and the power supply from damages.based on the breaking capacity(Icu) of rated limit short circuit,the breakers can be divided into C type (basic type),L type (standard type),M type(strong breaking capacity)and H type (strong breaking capacity)this breaker has some features such as small size,strong breaking capacity,short arcing over,distance and resist to vibrating etc.

breakers can be installed vertically or horizontally.

Q:What is the solution of the leakage circuit breaker always jumping?
The difference between the two is that the air switch will move if it exceeds its rated current and the leakage switch will trip if it exceeds its rated current or leakage
Q:Is this an air switch or a leak protector?
The first is not overloaded. Short circuit protection. Only leakage protection RCD. Also known as leakage switch.
Q:Is the zero line going through the circuit breaker?
Three-phase four-wire zero line is absolutely not allowed to go through the circuit breaker, because the zero line is broken, the line of all 220V appliances will withstand 380V line voltage and burned.
Q:How to look at the circuit breaker capacity is how much?
Circuit breaker contact separation instantaneous short circuit current cycle component RMS value of the thousand.
Q:The difference between air switch and circuit breaker
So the air circuit breaker can also fault in the state (load short circuit, load over current, low voltage, etc.) cut off the electrical circuit
Q:Do you have a circuit breaker in the circuit?
the fuse is only Disconnect the phase, while the remaining two phases continue to supply power, resulting in motor phase loss burned.
Q:What circuit symbols are used for circuit breakers
Residual current protection device (hereinafter referred to as the NLD), which detects the residual current,
Q:Why the high-voltage circuit is equipped with isolation switch and circuit breaker
So the isolation switch installed in front of the circuit breaker, open, so that between the power supply and the circuit breaker has a clear point
Q:What is the difference between open air and circuit breakers?
China Electric Trading Network in the previous reports introduced the air switch is our usual familiar, it is the correct name called air circuit breaker. Air circuit breakers are generally low pressure, that is rated operating voltage of 1Kv
Q:What is the common circuit switch called switch
Over-current release with electromagnetic, electronic and intelligent release, and several several

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