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ABB S-ARC1 M S-ARC1 M Miniature Circuit Breaker, 1-Pole, 20A, Type B, 240V ac AC, 10 kA Breaking Capacity

RS Stock No.:: 175-9941
Mfr. Part No.:: 2CSA275901R9205 S-ARC1 M B20
Brand:: ABB

ABB S-ARC1 M S-ARC1 M Miniature Circuit Breaker, 1-Pole, 20A, Type B, 240V ac AC, 10 kA Breaking Capacity

View all MCBs

Subtotal (1 unit)*

£187.84

(exc. VAT)

£225.41

(inc. VAT)

FREE delivery for orders over £60.00

Stocked by manufacturer

Ready to ship from 12 August 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£187.84

*price indicative

RS Stock No.:: 175-9941
Mfr. Part No.:: 2CSA275901R9205 S-ARC1 M B20
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	20A
	Tripping Characteristics	Type B
	Rated AC Voltage	240V ac
	Breaking Capacity	10kA
	Mount Type	DIN Rail
	Range	S-ARC1 M
	Series	S-ARC1 M
	Terminal Type	Cage Terminal
	IP Rating	IP20, IP40
	Depth	69mm
	Width	69mm
	Standards/Approvals	IEC/EN 60898-1, IEC/EN 62606
	Height	85mm
	Reset Actuator Type	Toggle Switch
	Tripping Mechanism	Thermal Magnetic

	Select all
	Brand ABB
	Number of Poles 1
	Product Type Miniature Circuit Breaker
	Current Rating 20A
	Tripping Characteristics Type B
	Rated AC Voltage 240V ac
	Breaking Capacity 10kA
	Mount Type DIN Rail
	Range S-ARC1 M
	Series S-ARC1 M
	Terminal Type Cage Terminal
	IP Rating IP20, IP40
	Depth 69mm
	Width 69mm
	Standards/Approvals IEC/EN 60898-1, IEC/EN 62606
	Height 85mm
	Reset Actuator Type Toggle Switch
	Tripping Mechanism Thermal Magnetic

COO (Country of Origin):: IT

ABB S-ARC1 M Series MCB, 1P+N, 20A Current Rating - 2CSA275901R9205 S-ARC1 M B20

This miniature circuit breaker (MCB) is engineered for safety and efficiency within electrical circuits. Equipped with a thermal-magnetic mechanism, it provides protection against overloads and short circuits. With a 1P+N configuration and advanced arc fault detection capabilities, it is an important component for contemporary electrical installations. It integrates easily into existing systems, highlighting its importance in the industry.

Features & Benefits

• Integrated AFDD offers added protection against arc faults

• 10kA breaking capacity provides effective overload protection

• Thermal-magnetic operation ensures robust fault response

• Compact two-module width for space-saving installations

• Screw terminal connections simplify the wiring process

• Compatible with DIN rail mounting for flexible setup options

Applications

• Ideal for residential and commercial electrical installations

• Suitable for areas with heightened fire risks

• Effective in commercial settings requiring protection for sensitive electronics

• Recommended for facilities prioritising enhanced safety measures

• Useful in environments where flammable materials are present

How does the device manage overload protection?

It uses thermal-magnetic technology to accurately detect and react to faults.

Can it be installed in existing systems?

Yes, it is compatible with standard DIN rail mounting systems.

What type of wiring connections does it accommodate?

The circuit breaker features screw terminals for straightforward and secure connections.

Is this device suitable for residential buildings?

Yes, it can be used in both residential and commercial applications.

How can the device's status be checked?

There is a test button available for confirming proper operational conditions.

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