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Application
YDL series circuit breaker, neoteric in structure, light in weight, reliable and excellent in performance, is the latest designed for human indirect contact protection and over current protection in the circuit of AC 50Hz/60Hz, rated voltage 230/400V, rated current up to 63A, or similar circuits in building and also fire protection from continuous earthing fault due to no operating of over current protection apparatus. The breaker with over voltage protection is also designed for voltage increasing protection due to power network fault. Environmental factors are considered in the design of the circuit breaker by taking many recoverable and degradable materials. And it complies with EU RoHS Directive as well as IEC61009-1 Residual current circuit breaker with integral protection for household and similar uses(RCBO).

Construction features
- Measuring component and buckling component of products is located between enter line end and entrance line end;
- Movement characteristic of products can not be changed with outside mechanical tool;
- The operating organization has the free function to take off and buckle;
- Operate part can not be taken down from the shell outer of products, the shell can not influence the operating organization to work, the accessory group which replace the feelers pressure, should guarantee the feelers pressure does not change while running.