MPN

Contactum Defender B Board DDB Miniature Circuit Breaker, 1-Pole, 40 A, Type C, 250 V ac AC, 10 kA Breaking Capacity

RS Stock No.:: 184-9047
Mfr. Part No.:: CPB1040C
Manufacturer:: Contactum

Contactum Defender B Board DDB Miniature Circuit Breaker, 1-Pole, 40 A, Type C, 250 V ac AC, 10 kA Breaking Capacity

Subtotal (1 unit)*

HK$44.90

FREE delivery for orders over HK$250.00

In Stock

Plus 10 unit(s) shipping from 26 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	HK$44.90

*price indicative

RS Stock No.:: 184-9047
Mfr. Part No.:: CPB1040C
Manufacturer:: Contactum

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Contactum
	Product Type	Miniature Circuit Breaker
	Number of Poles	1
	Current Rating	40 A
	Tripping Characteristics	Type C
	Rated AC Voltage	250 V ac
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	Defender B Board
	Series	DDB
	IP Rating	IP4X
	Depth	120mm
	Width	415 mm
	Standards/Approvals	BS EN 60529, BS EN 61439-3, IEC 60898, IEC 61439-3, IEC/EN 61009

	Select all
	Brand Contactum
	Product Type Miniature Circuit Breaker
	Number of Poles 1
	Current Rating 40 A
	Tripping Characteristics Type C
	Rated AC Voltage 250 V ac
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range Defender B Board
	Series DDB
	IP Rating IP4X
	Depth 120mm
	Width 415 mm
	Standards/Approvals BS EN 60529, BS EN 61439-3, IEC 60898, IEC 61439-3, IEC/EN 61009

RoHS Status: Exempt

The Contactum mini circuit breaker has type C tripping characteristics and MCB circuit breaker type.

Ambient operating temperature: -5 to 40°C

Contactum Defender B Board DDB Miniature Circuit Breaker, 1-Pole, 40 A, Type C, 250 V ac AC, 10 kA Breaking Capacity

FREE delivery for orders over HK$250.00

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