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

RS Stock No.:: 176-380
Mfr. Part No.:: 2CCS573001R0635 S403M-B63
Manufacturer:: ABB

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

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Subtotal (1 unit)*

MYR1,318.60

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Shipping from 09 February 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.:: 2CCS573001R0635 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	63 A
	Tripping Characteristics	Type K, Type D, Type C, Type B
	Rated AC Voltage	400 V
	Rated DC Voltage	250 V
	Mount Type	DIN Rail
	Range	SmiSSline, S400
	Series	S400M
	Depth	82mm
	Standards/Approvals	IEC/EN 60947-2, EN 60898-1
	Width	54 mm
	Reset Actuator Type	Toggle Switch

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