NDB2LE-40 Series Residual Current Circuit Breaker with Overcurrent Protection (RCBO)

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Updated：July 17,2026 19:54PM

The NDB2LE-40 series of residual current action circuit breakers provide the ground leakagedirect or indirect electric shock by human body and other faults protection which are applicable to the low-voltage terminal distribution in the industry civil buildings energy communication infrastructure and other fields.
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Features of NDB2LE-40 Series

Short-circuit protection
Overload protection
Current leakage
Isolation

Technology data of NDB2LE-40 Series

Product Name	NDB2LE-40
Standard reference	GB/T16917.1,IEC61009-1
Product certification	CCC,CB
Number of poles	1P+N
Rated working voltage Ue(V)	AC230/240
Rated frequency(Hz)	50/60
Rated insulation voltage Ui(V)	500
Rated impulse withstand voltage(kV)	4
Instantaneous tripping characteristic	B,C,D
Rated current In(A)	2*,4,6,10,16,20,25,32,40
Rated residual current	30mA,100mA,300mA
Residual current operating characteristic	A Type, AC Type
Rated breaking capacity(kA)	6
Rated service short-circuit breaking capacity (kA)	6
Electrical life	10000 times
Mechanical life	10000 times

Datasheet of NDB2LE-40 Series

NDB2LE-40-Series-RCBO-Datasheet.pdf

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