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Mccb 1P+N HWL Residual Current Circuit Breaker With Overcurrent Protection Rcbo Supplier

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Overload Current Protection Characteristics

Test Procedure	Type	Test Current	Initial State	Tripping or Non-tripping Time Limit	Expected Result	Remark
a	B,C,D	1.13LN	COLD	T≥1H	NO TRIPPING
b	B,C,D	1.45LN	AFTER TEST A	T<1H	TRIPPING	CURRENT IN THE SS INTHE INCREASE CF STATILTY
c	B,C,D	2.55LN	COLD	1S<T<60S	TRIPPING
d	B	3LN	COLD	T≥0.1S	NO TRIPPING	TURN ON THE AUXILIARY SWITCH TO CLOSE THE CURRENT
	C	5LN
	D	10LN
e	B	5LN	COLD	T<0.1S	TRIPPING	TURN ON THE AUXILIARY SWITCH TO CLOSE THE CURRENT
	C	10LN
	D	20LN
THE TERMINOLOGY “COLD STATE” REFES TO THAT NO LOAD IS CARRIED BEFORE TESTING AT THE REFERENCE SETTING TEMPERATURE

Residual Current Action Breaking Time

Type	In/a	IΔn/a	Residual Current (IΔ) is Corresponding To The Following Breaking Time(S)
AC TYPE	ANY VALUE	ANY VALUE	in	2ln	5ln	5A.10A.20A.50A.100A.200A.500A
ATYPE	ANY VALUE	>0.01	1.4ln	2..8ln	7ln
			0.3	0.15	0.04	0.04	MAX BREAK-TIME
The general type rcbo whose current lΔn is 0.03ma or less can use 0.25A instead of 5 lΔn

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