ABB S400 S400M Miniature Circuit Breaker, 3-Pole, 63 A, Type B, Type C, Type D, Type K, 400 V AC, 250 V DC, 10 kA

RS Stock No.:: 178-336
Mfr. Part No.:: 2CCS573001R0634 S403M-C63
Brand:: ABB

ABB S400 S400M Miniature Circuit Breaker, 3-Pole, 63 A, Type B, Type C, Type D, Type K, 400 V AC, 250 V DC, 10 kA

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Subtotal (1 unit)*

£206.66

(exc. VAT)

£247.99

(inc. VAT)

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Shipping from 26 February 2026

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Units	Per unit
1 +	£206.66

*price indicative

RS Stock No.:: 178-336
Mfr. Part No.:: 2CCS573001R0634 S403M-C63
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	63 A
	Tripping Characteristics	Type B, Type C, Type D, Type K
	Rated AC Voltage	400 V
	Rated DC Voltage	250 V
	Breaking Capacity	10kA
	Mount Type	DIN Rail
	Range	S400
	Series	S400M
	Width	54 mm
	Standards/Approvals	EN 60898-1, IEC/EN 60947-2
	Depth	82mm
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Number of Poles 3
	Product Type Miniature Circuit Breaker
	Current Rating 63 A
	Tripping Characteristics Type B, Type C, Type D, Type K
	Rated AC Voltage 400 V
	Rated DC Voltage 250 V
	Breaking Capacity 10kA
	Mount Type DIN Rail
	Range S400
	Series S400M
	Width 54 mm
	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, 63A Current Rating - S403M-C63

This MCB is a 3-pole miniature circuit breaker designed for protection in commercial and industrial applications. With a current rating of 63A and a compact design measuring 54mm in width, 91mm in height and 82mm in depth, it is suitable for installation on a DIN rail. The device features thermal tripping for overload protection and electromechanical tripping for short circuit safety, complying with relevant IEC and EN standards.

Features & Benefits

• Overload Protection MCB prevents equipment damage

• Type C Circuit Breaker design suitable for diverse loads

• 10kA Breaking Capacity ensures disconnection during faults

• Fail-safe mechanism adds an extra layer of safety

Applications

• Used in commercial electrical panels

• Suitable for critical power applications

• Employs connections for multiple load types

Can it handle different voltage ratings?

Yes, it operates at rated AC voltages of 230V and 400V.

Is it suitable for high-load environments?

Yes, it is designed to manage heavy loads up to 63A.

What is the environmental compliance status of this product?

The product complies with RoHS and REACH regulations.