ABB SMISSLINE TP S400M Miniature Circuit Breaker, 1-Pole, 8 A, Type K, Type D, Type C, Type B, 400 V AC, 250 V DC, 10 kA

RS Stock No.:: 176-740
Mfr. Part No.:: 2CCS571001R0085 - S401MB08
Brand:: ABB

ABB SMISSLINE TP S400M Miniature Circuit Breaker, 1-Pole, 8 A, Type K, Type D, Type C, Type B, 400 V AC, 250 V DC, 10 kA

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Subtotal (1 unit)*

£27.74

(exc. VAT)

£33.29

(inc. VAT)

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In Stock

Plus 15 unit(s) shipping from 09 February 2026

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Units	Per unit
1 +	£27.74

*price indicative

RS Stock No.:: 176-740
Mfr. Part No.:: 2CCS571001R0085 - S401MB08
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
	Product Type	Miniature Circuit Breaker
	Number of Poles	1
	Current Rating	8 A
	Tripping Characteristics	Type K, Type D, Type C, Type B
	Rated AC Voltage	400 V
	Rated DC Voltage	250 V
	Breaking Capacity	10kA
	Mount Type	DIN Rail
	Range	SMISSLINE TP
	Series	S400M
	Width	18 mm
	Standards/Approvals	EN 60898-1, IEC/EN 60947-2
	Depth	75mm
	Reset Actuator Type	Toggle Switch

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 1
	Current Rating 8 A
	Tripping Characteristics Type K, Type D, Type C, Type B
	Rated AC Voltage 400 V
	Rated DC Voltage 250 V
	Breaking Capacity 10kA
	Mount Type DIN Rail
	Range SMISSLINE TP
	Series S400M
	Width 18 mm
	Standards/Approvals EN 60898-1, IEC/EN 60947-2
	Depth 75mm
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: CH

ABB S400M Series MCB, 1 Pole, 8A Current Rating - 2CCS571001R0085 - S401MB08

This MCB is a miniature circuit breaker, specifically designed for the Smissline TP System. It features a compact size with dimensions of 18mm in width, 75mm in length, and 75mm in depth, making it ideal for DIN rail mounting.

Features & Benefits

• 1P configuration for critical single-phase protection

• 10kA breaking capacity ensures high fault tolerance

• Thermal tripping mechanism for reliable overload detection

• Electromechanical tripping for consistent performance

• Easy installation with DIN rail mount design

• Screw terminal connections for secure wiring

Applications

• Suitable for industrial machinery protection

• Used in residential electrical panels to protect circuits for general-purpose lighting and power outlets

Can it operate on both AC and DC voltages?

Yes, it supports rated AC voltage of 230V and 400V, and rated DC voltage of 60V.

Can it handle varying environmental conditions?

Yes, it operates efficiently in ambient temperatures between -25°C and 55°C.