ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 1 A, Type B, Type C, Type D, Type K, 400 V AC, 250 V DC, 10 kA

RS Stock No.:: 178-768
Mfr. Part No.:: 2CCS571001R0014 S401M-C1
Brand:: ABB

ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 1 A, Type B, Type C, Type D, Type K, 400 V AC, 250 V DC, 10 kA

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Subtotal (1 unit)*

£36.85

(exc. VAT)

£44.22

(inc. VAT)

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Shipping from 27 February 2026

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Units	Per unit
1 +	£36.85

*price indicative

RS Stock No.:: 178-768
Mfr. Part No.:: 2CCS571001R0014 S401M-C1
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	1
	Product Type	Miniature Circuit Breaker
	Current Rating	1 A
	Tripping Characteristics	Type B, Type C, Type D, Type K
	Rated AC Voltage	400 V
	Rated DC Voltage	250 V
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	SmiSSline
	Series	S400M
	Standards/Approvals	EN 60898-1, IEC/EN 60947-1, IEC/EN 60947-2
	Depth	75mm
	Width	18 mm
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Number of Poles 1
	Product Type Miniature Circuit Breaker
	Current Rating 1 A
	Tripping Characteristics Type B, Type C, Type D, Type K
	Rated AC Voltage 400 V
	Rated DC Voltage 250 V
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range SmiSSline
	Series S400M
	Standards/Approvals EN 60898-1, IEC/EN 60947-1, IEC/EN 60947-2
	Depth 75mm
	Width 18 mm
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: CH

ABB S400M Series MCB, 1 Pole, 1A Current Rating - S401M-C1

This miniature circuit breaker (MCB) is designed for comprehensive electrical protection in commercial and industrial settings. The circuit breaker features a compact design with dimensions of 18mm width, 91mm length, and a depth of 75mm. It uses advanced thermal and electromechanical mechanisms to effectively prevent overloads and short circuits.

Features & Benefits

• Type C circuit breaker handles higher inrush currents

• Thermal tripping provides effective overload protection

• Breaking capacity of 10kA protects against faults

• Easy installation with a screw terminal type connection

• Compact design optimises electrical panel space

Applications

• Used for electrical panel protection

• Utilised in industrial control panels to safeguard circuits for high-power equipment such as motors and compressors

• Used in lighting control panels to ensure protection for circuits driving high-intensity lamps and LED fixtures

Will it handle short circuits effectively?

Yes, it incorporates an electromechanical mechanism for short circuit protection.

Is it suitable for DIN rail mounting?

Yes, it is specifically designed for DIN rail installation.