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.

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Q:Where will the circuit breaker auxiliary contacts be used? ,
Molded case circuit breaker is the grounding wire terminal contact, interrupter, release and operating mechanism are installed in a plastic shell,
Q:Switch switch, disconnector, circuit breaker difference? What are the possible functions of each?
in the maintenance as a clear point, and can not carry sub-gate, or will pull the arc ACCIDENT.
Q:What is the solution of the leakage circuit breaker always jumping?
may be caused by the wire. Leakage switch installed in the use of equipment before the better
Q:Why the high-voltage circuit is equipped with isolation switch and circuit breaker
For the safety of electrical work, in the front of the circuit breaker should be installed disconnector.
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:What is the choice of low voltage electrical circuit breaker?
At present, some high-performance circuit protection devices provide circuit breakers specifically designed for extreme shock and vibration environments.
Q:How is the total switch breaker in the distribution box correctly
Cut off the power to complete the task of leakage or electric shock protection.
Q:Is the circuit breaker in the circuit necessary?
when the current is slightly larger, will only cut off the other two phase to produce too much electric current Arched open
Q:How long is the circuit breaker long delay time?
within the specified time to carry and break the abnormal circuit under the conditions of the current
Q:What is the difference between a circuit breaker and other switches?
replace the contacts and components more convenient, and more used in the power side of the main switch

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