ABB S401M Series MCB, 1 Pole, 2A Current Rating - 2CCS571001R0024

This miniature circuit breaker (MCB) is designed for efficient protection in commercial and industrial settings. The S401M-C2 model features a compact design with dimensions of 18mm in width, 75mm in length, and a depth of 75mm. Its versatile usage includes applications in critical power environments, ensuring safety with an effective breaking capacity of 25 kA.

Features & Benefits

• Type C MCB offers quick response for short-circuit protection

• Thermal electromechanical tripping mechanism provides overload safety

• Rated current of 2A supports low-voltage applications

• Compliant with IEC/EN standards ensuring safety

• Specifically designed for DIN rail mounting, simplifying installation

• Robust construction ensures longevity in demanding environments

Applications

• Utilised for overload and short-circuit protection in commercial settings

• Applicable for industrial systems requiring reliable circuit breakers

• Suitable for critical power needing dependable operation

• Employed within pluggable systems for easy maintenance and upgrades

What are the insulation and impulse withstand voltage ratings for this device?

The rated insulation voltage is 440V, while the rated impulse withstand voltage stands at 4 kV, ensuring robust protection against voltage surges.

How does the tripping mechanism enhance safety in electrical installations?

The combination of thermal and electromechanical tripping mechanisms provides dual-layered protection, efficiently responding to both overloads and short circuits, thereby safeguarding equipment.

What is the operational temperature range for effective performance?

This device operates efficiently within an ambient air temperature range of -25°C to 60°C, making it suitable for diverse environmental conditions.

Can this circuit breaker be used in residential applications?

While primarily designed for commercial and industrial use, it may also be applied in residential settings needing robust circuit protection, if the specifications align with the installation requirements.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	1
	Product Type	Miniature Circuit Breaker
	Current Rating	2 A
	Tripping Characteristics	Type C
	Rated AC Voltage	254 V ac
	Rated DC Voltage	12 V
	Breaking Capacity	25kA
	Series	S401M
	Terminal Type	Screw
	IP Rating	IP20
	Height	91mm
	Width	18 mm
	Standards/Approvals	IEC/EN 60898-1, IEC/EN 60947-2
	Depth	75mm
	Tripping Mechanism	Anaerobic Adhesive

	Select all
	Brand ABB
	Number of Poles 1
	Product Type Miniature Circuit Breaker
	Current Rating 2 A
	Tripping Characteristics Type C
	Rated AC Voltage 254 V ac
	Rated DC Voltage 12 V
	Breaking Capacity 25kA
	Series S401M
	Terminal Type Screw
	IP Rating IP20
	Height 91mm
	Width 18 mm
	Standards/Approvals IEC/EN 60898-1, IEC/EN 60947-2
	Depth 75mm
	Tripping Mechanism Anaerobic Adhesive

ABB S401M Miniature Circuit Breaker, 1-Pole, 2 A, Type C, 254 V ac AC, 12 V DC, 25 kA Breaking Capacity

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