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KNM1L series residual current circuit breaker (mccb with rccb ) are applies at the power distribution network of ax 50/60hz, rated operation voltage of 400v (690v)
Sphere of application
KNM1L series residual current circuit breaker (mccb with rccb ) are applies at the power distribution network of ax 50/60hz, rated operation voltage of 400v (690v) and bellow ,its rated current up to 800A.They can also be up to 800A .They can protect people against indirect contact and prevent fire disaster caused by insulation and ground fault .They can also be used to distribute electric power and protect power equipment against overload and short current ,and can change the circuit and start motor infrequently.
*Shunt trip release
*Auxiliary contact and alarm contact
*Rotary handle operation mechanism
*Motor operation mechanism
|Rated current In(A)||40,50,63,80,100||125,140,160,200,225,||225,315,350,400||400,500,630|
|Rated voltage AC(V)||400||400||400||400|
|Rated insulation voltage AC(V)||750||750||750||750|
|Rated pulse voltage AC(KV)||8||8||8||8|
|Ultimate short-circuit breaking capacity Icu(KA)||AC400V||25||25||25||25|
|Operative short-circuit breaking capacity Ics||AC400V||Ics=50%Icu|
|Rated residual operating current(mA)I△n||Undelay||30/100/500,100/300/500||100/300/500||300/500/1000|
|Rated residual un-operating current(mA)||1500||1000||1000||1000|
|Working time of the residual current protection||I△n||2I△n||5I△n||10I△n|
|Maximum breaking time(s)||Undelay||0.2||0.1||0.04||0.04|
Main Products:CIRCUIT BREAKER
GAONENGGELE ELECTRICAL SHARES CO.,LTD. is a manufacturer specializing in mini circuit breakers, AC contactors,moulded case circuit breaker and other electrical safety devices. In our range we have developed various low voltage electrical devices: mini circuit breakers (MCB), residual current circuit breakers (RCCB,RCBO), molded case circuit breakers (MCCB) , and AC contactors.
We have strong production capability and over 500 workers and 50 expert engineers engaged at our factory. We are a company that prides itself on superior quality and have acquired the appropriate international certification for our products. Such certification includes that of ISO9001,IS014001,CB, CE , NF ,Semko,PCT and TSE. We are able to produce a quantity of goods that would fill one container over a period of 2days. Our annual production of miniature circuit breakers amounts to 30 million pieces, for RCCBs 1,000,000 , AC contactors 800,000 and MCCB 150,000 .
Based on management principle of “honor first, customers premier” ,the company emphasizes much on product quality ,realized honorable management ,which is generally praised by customers. Its products are sold to countries such as Malaysia, Russia, Turkey,Argentina,Brazil,Pakistan,Indonesia and India etc .Korlen people sincerely welcome all trader for further contact and wish we could be good friends and partners for later glory!More+