YIFA residual current protection circuit breaker manufacture leakage YFM1LE series
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YFM1LE series leakage circuit breaker is a new type of circuit breaker with international advanced design and manufacturing technology,with insulation voltage 800V,it is suitable for circuit of AC50Hz,rated working voltage 400V,rated working current 400A,used to switch the circuit and start the motor infrequently.This series of circuit breakers has overload,short-circuit and under-voltage protection device,which can protect the line and power equipment from being damaged,meanwhile,it provides indirct contact protection for person,and it also can protect the equipment from possible fire risks caused by long-standing earth fault that can not be detected out by over-current protection device.
Application
YFM1LE series leakage circuit breaker is a new type of circuit breaker with international advanced design and manufacturing technology,with insulation voltage 800V,it is suitable for circuit of AC50Hz,rated working voltage 400V,rated working current 400A,used to switch the circuit and start the motor infrequently.This series of circuit breakers has overload,short-circuit and under-voltage protection device,which can protect the line and power equipment from being damaged,meanwhile,it provides indirct contact protection for person,and it also can protect the equipment from possible fire risks caused by long-standing earth fault that can not be detected out by over-current protection device.According to the rated ultimate short-circuit breaking capacity,the circuit breakers can be divided into :L type(higher breaking type) and M type(high breaking type) two types.This series of circuit breakers is featured with compact volume,high breaking,short flashover,vibration proof and so on.This series of circuit breakers can either be vertical installed or horizontal installed.The product is in accordance with GB14048.2 and IEC60947-2.
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Company Introduction
China YIFA Holding Group Co.,Ltd.is a national high-tech enterprise group based on electrical industry,covering finance,real estate, copper processing,trade&investment and other industries.It is among the top 500 Chinese enterprises,the top 500 Chinese leading mechanical enterprises and National Spark Plan enterprises.Known as a brand-name product and a famous trademark in Jiangxi Province,YIFA has been appointed as a major supplier by the State Grid,the China Southern Power Grid and national water system.YIFA's main businesses conclude the development,production and sale of wind power substation,solar power substation,unitized electrical equipments,high voltage & ultra high voltage substation equipments,glass steel meter boxes,stainless steel & transparent boxes,high and low voltage components,wire & cable,building electrical equipments,instrumentation and many other low-carbon,energy-efficient and environmentally friendly products.It should be mentioned that the maximized volume of transformer amounts to 63,000KVA and voltage class reaches 220KV.
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