ABB S400 S400M Miniature Circuit Breaker, 3-Pole, 500 mA, Type K, Type B, Type C, Type D, 400 V AC, 250 V DC, 10 kA

RS Stock No.:: 177-765
Mfr. Part No.:: 2CCS573001R0984 - S403MB0.5
Brand:: ABB

ABB S400 S400M Miniature Circuit Breaker, 3-Pole, 500 mA, Type K, Type B, Type C, Type D, 400 V AC, 250 V DC, 10 kA

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Subtotal (1 unit)*

£136.48

(exc. VAT)

£163.78

(inc. VAT)

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Shipping from 26 February 2026

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Units	Per unit
1 +	£136.48

*price indicative

RS Stock No.:: 177-765
Mfr. Part No.:: 2CCS573001R0984 - S403MB0.5
Brand:: ABB

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	3
	Product Type	Miniature Circuit Breaker
	Current Rating	500 mA
	Tripping Characteristics	Type K, Type B, Type C, Type D
	Rated AC Voltage	400 V
	Rated DC Voltage	250 V
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	S400
	Series	S400M
	Width	54 mm
	Depth	75mm
	Standards/Approvals	EN 60898-1, IEC/EN 60947-2
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Number of Poles 3
	Product Type Miniature Circuit Breaker
	Current Rating 500 mA
	Tripping Characteristics Type K, Type B, Type C, Type D
	Rated AC Voltage 400 V
	Rated DC Voltage 250 V
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range S400
	Series S400M
	Width 54 mm
	Depth 75mm
	Standards/Approvals EN 60898-1, IEC/EN 60947-2
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: CH

ABB S400M Series MCB, 3 Poles, 500mA Current Rating - 2CCS573001R0984 - S403MB0.5

This MCB is a miniature circuit breaker designed for the Smissline TP System. The device features a compact design with dimensions of 54mm in width and 75mm in length, making it ideal for DIN rail mounting. It provides protection against overloads and short circuits while ensuring ease of installation and use.

Features & Benefits

• Type C circuit breaker prevents nuisance tripping

• 10kA breaking capacity safeguards against overloads

• Toggle switch reset mechanism simplifies operation

• Thermal tripping feature enhances protection reliability

• Screw terminal connections ensure secure wiring

Applications

• Used in electrical panels for circuit protection

• Ideal for automation systems requiring overload protection

Will it protect sensitive electronic equipment?

Yes, its overload protection function helps safeguard equipment.

Can it be easily reset after tripping?

Yes, the toggle switch allows for quick and easy resetting.