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Residual current circuit breakers (RCCB) provide the function of electric circuit control and can protect people against indirect contacts and additional protection against direct contacts. It can also protect installations against fire hazard due to insulation faults. Residual current circuit breakers (RCCB)are used in housing, tertiary sector and industry.Key products series include:NL1, NL210, NXL series,etc.  

The main benefits include that of the limit short circuit current is up to 10kA;The shell and other plastic parts are made of high flame retardant, high temperature resistant and impact resistant plastic;
Installation guide rail and size modularization;   
The dynamic test device makes the button more flexible and reliable;
The Rated impulse withstand voltage(1.2/50) Uimp is up to 6kV.

What's key features of CHINT RCCB Products?
Standard:IEC/EN 61008-1 Rated current up to 125A Detectable wave form: AC, A, B,F Number of poles:1P+N, 3P+N Rated voltage Ue (V):230/400~240/415 Rated sensitivity In (A):0.01, 0.03,0.1,0.3,0.5
What's the different application scenarios of detectable wave form between AC, A, B and F type?
AC type provides sustainable electricity safety for heating and lighting at home; A type can guarantee safety when charging computer and phone etc; F type can provides the solution in frequency conversion electric application such as washing machine and air condition; B type can be applied to smooth DC or smooth DC circuit with slight residual wave when fault occurs. For example: charging pile, frequency converter, CT equipment, X-ray equipment, medical equipment, UPS, etc.
Is there any auxiliary contact which can be assembled in NL1?
AX-5 auxiliary contact is a kind of accessories which can be assembled with the NL1.
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