ABB S400, SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 13A, Type B, Type C, Type K, Type D, 400V ac AC, 250 V dc

RS Stock No.:: 177-585
Mfr. Part No.:: S403M-B13
Manufacturer:: ABB

ABB S400, SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 13A, Type B, Type C, Type K, Type D, 400V ac AC, 250 V dc

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Subtotal (1 unit)*

SGD165.56

(exc. GST)

SGD180.46

(inc. GST)

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Ready to ship from 27 May 2026

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Units	Per unit
1 - 4	SGD165.56
5 - 9	SGD158.74
10 +	SGD155.32

*price indicative

RS Stock No.:: 177-585
Mfr. Part No.:: S403M-B13
Manufacturer:: ABB

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Miniature Circuit Breaker
	Number of Poles	3
	Current Rating	13A
	Tripping Characteristics	Type B, Type C, Type K, Type D
	Rated AC Voltage	400V ac
	Rated DC Voltage	250V dc
	Breaking Capacity	10kA
	Mount Type	DIN Rail
	Range	S400, SmiSSline
	Series	S400M
	Width	54mm
	Standards/Approvals	EN 60898-1, IEC/EN 60947-2
	Depth	82mm
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 3
	Current Rating 13A
	Tripping Characteristics Type B, Type C, Type K, Type D
	Rated AC Voltage 400V ac
	Rated DC Voltage 250V dc
	Breaking Capacity 10kA
	Mount Type DIN Rail
	Range S400, SmiSSline
	Series S400M
	Width 54mm
	Standards/Approvals EN 60898-1, IEC/EN 60947-2
	Depth 82mm
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: CH

ABB S400M Series MCB, 3 Poles, 13A Current Rating - S403M-B13

This miniature circuit breaker is designed for effective overload and short circuit protection in various environments. It features a 3-pole configuration and operates at current ratings of up to 13A. Its compact design allows for easy installation on a DIN rail, optimising space in existing electrical panels.

Features & Benefits

• Delayed thermal tripping mechanism enhances overload protection

• Electromechanical mechanism offers short circuit protection

• Robust breaking capacity of 10kA for dependable performance

• Screw terminal connection allows for easy installation

Applications

• Utilised in commercial buildings for electrical safety

• Ideal for industrial machinery requiring overload protection

• Suited for critical power systems in data centres

Can it withstand high temperatures during operation?

Yes, it operates efficiently in ambient temperatures from -25°C to 60°C.

Will it provide adequate protection against short circuits?

Yes, it features an electromechanical tripping mechanism for this purpose.

Is it compatible with standard DIN rail installations?

Yes, its design allows for easy DIN rail mounting.