ABB SMISSLINE TP, Type B, 250 V dc DC

RS Stock No.:: 178-162
Mfr. Part No.:: 2CCS571001R0405 S401M-B40
Brand:: ABB

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Subtotal (1 unit)*

£33.32

(exc. VAT)

£39.98

(inc. VAT)

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Ready to ship from 16 April 2026

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Units	Per unit
1 +	£33.32

*price indicative

RS Stock No.:: 178-162
Mfr. Part No.:: 2CCS571001R0405 S401M-B40
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
	Tripping Characteristics	Type B
	Range	SMISSLINE TP

	Select all
	Brand ABB
	Tripping Characteristics Type B
	Range SMISSLINE TP

COO (Country of Origin):: CH

ABB S400M Series MCB, 1 Pole, 40A Current Rating - S401M-B40

This miniature circuit breaker (MCB) provides overload and short circuit protection for electrical distributions. It is designed in a compact form factor with dimensions of 18mm width, 91mm length, and 75mm depth, offering a dependable solution for various applications. The MCB has a current rating of 40A and is suitable for both 230V and 400V AC systems, making it an appropriate component for professionals in the automation, electronics, and electrical industries.

Features & Benefits

• 10kA breaking capacity accommodates high fault currents

• Overload protection prevents circuit damage from excess current

• Thermal tripping mechanism enhances operational safety

• Screw terminal design ensures secure electrical connections

Applications

• Used in industrial control panels to protect circuits for high-power equipment such as large motors and generators

• Employed in lighting control panels to safeguard circuits driving high-intensity lamps and extensive LED arrays

• Utilised in distribution boards for commercial and large residential installations to provide reliable circuit protection

Can it handle high voltage ratings?

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

Will it protect against overload situations?

Yes, it features thermal tripping for overload protection.

Is it easy to install in existing systems?

Yes, it is designed for simple DIN rail mounting.