ABB SmiSSline, S400 S400M Miniature Circuit Breaker, 3-Pole, 63A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc

RS Stock No.:: 176-380
Mfr. Part No.:: S403M-B63
Manufacturer:: ABB

ABB SmiSSline, S400 S400M Miniature Circuit Breaker, 3-Pole, 63A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc

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Subtotal (1 unit)*

MYR1,318.60

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Ready to ship from 02 June 2026

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Units	Per Unit
1 - 4	MYR1,318.60
5 - 9	MYR1,290.90
10 +	MYR1,252.17

*price indicative

RS Stock No.:: 176-380
Mfr. Part No.:: S403M-B63
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	63A
	Tripping Characteristics	Type K, Type D, Type C, Type B
	Rated AC Voltage	400V ac
	Rated DC Voltage	250V dc
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	SmiSSline, S400
	Series	S400M
	Width	54mm
	Depth	82mm
	Standards/Approvals	IEC/EN 60947-2, EN 60898-1
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 3
	Current Rating 63A
	Tripping Characteristics Type K, Type D, Type C, Type B
	Rated AC Voltage 400V ac
	Rated DC Voltage 250V dc
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range SmiSSline, S400
	Series S400M
	Width 54mm
	Depth 82mm
	Standards/Approvals IEC/EN 60947-2, EN 60898-1
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: CH

ABB S400M Series MCB, 3 Poles, 63A Current Rating - S403M-B63

This miniature circuit breaker (MCB) is designed for commercial and industrial applications. It provides protection against overloads and short circuits with its 3-pole configuration, featuring robust thermal and electromechanical tripping mechanisms. The MCB’s dimensions are 54mm in width, 91mm in length, and 82mm in depth, allowing for easy DIN rail installation.

Features & Benefits

• Type B circuit breaker for standard applications

• 63A current rating suitable for diverse loads

• Thermal tripping enhances overload protection

• Electromechanical mechanism for swift short circuit response

• Screw terminal contact for secure connections

Applications

• Utilised in commercial electrical distribution systems

• Applied in small industrial control panels to safeguard circuits for equipment such as conveyors and small motors

Is it easy to install?

Yes, it is designed for DIN rail mounting for straightforward installation.

Is the product compliant with industry standards?

Yes, it complies with IEC/EN regulations for safety and performance.