Protects against possible damage caused by residual current faults, short circuits and current overloads. 'No miss' tunnel terminals with in-built terminal shields prevent incorrect fixing. Allows quicker insulation resistance testing as complete disconnection of RCBO is not required. With easy to operate front DIN rail release clip.

Brand Name	Wylex
Manufacturer Model No	NHXS1B40
DIN Rail Mounted Fitting	Yes
Breaking Capacity (Inc)	6 kA
CSU Device	RCBOs
Curve Type	B Curve
Earth Leakage Sensitivity (IDn)	30 mA
Incomer Fitting Type	DIN Rail Mounted
Manufacturer Guarantee	1 Year Guarantee
No. of Phases	Single-Phase
Number of Poles	Double Pole
RCD Type	Type A
Rated Impulse Withstand Voltage (Uimp)	4 kV
Rated Operational Current (In)	40 A
Rated Operational Voltage (Ue)	230 V
Suitable Cable Size	0.75 - 25 mm²