RS Better World

ABB System Pro M Compact S200 Miniature Circuit Breaker, 1-Pole, 40A, Type K, 230V ac AC, 72 V dc DC, 6 kA Breaking

RS Stock No.:: 746-7961
Mfr. Part No.:: 2CDS251001R0557 S201-K40
Manufacturer:: ABB

ABB System Pro M Compact S200 Miniature Circuit Breaker, 1-Pole, 40A, Type K, 230V ac AC, 72 V dc DC, 6 kA Breaking

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Subtotal (1 unit)*

MYR185.10

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Ready to ship from 13 July 2026

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Units	Per Unit
1 +	MYR185.10

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RS Stock No.:: 746-7961
Mfr. Part No.:: 2CDS251001R0557 S201-K40
Manufacturer:: ABB

Specifications

Technical data sheets

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	40A
	Tripping Characteristics	Type K
	Rated AC Voltage	230V ac
	Rated DC Voltage	72V dc
	Mount Type	DIN Rail
	Breaking Capacity	6kA
	Range	System Pro M Compact
	Series	S200
	Terminal Type	Cage Terminal
	IP Rating	IP20, IP40
	Height	69mm
	Depth	69mm
	Standards/Approvals	IEC/EN 60898-1, IEC/EN 60947-2
	Width	17.5mm
	Better World Claim	Designed for Disassembly
	Better World Product	Yes
	Reset Actuator Type	Lever
	Tripping Mechanism	Electromagnetic, Thermomagnetic

	Select all
	Brand ABB
	Number of Poles 1
	Product Type Miniature Circuit Breaker
	Current Rating 40A
	Tripping Characteristics Type K
	Rated AC Voltage 230V ac
	Rated DC Voltage 72V dc
	Mount Type DIN Rail
	Breaking Capacity 6kA
	Range System Pro M Compact
	Series S200
	Terminal Type Cage Terminal
	IP Rating IP20, IP40
	Height 69mm
	Depth 69mm
	Standards/Approvals IEC/EN 60898-1, IEC/EN 60947-2
	Width 17.5mm
	Better World Claim Designed for Disassembly
	Better World Product Yes
	Reset Actuator Type Lever
	Tripping Mechanism Electromagnetic, Thermomagnetic

COO (Country of Origin):: DE

ABB S200 Series MCB, 40A Current Rating, 10kA Breaking Capacity (at Maximum Voltage Rating) - 2CDS251001R0557 S201-K40

This Miniature Circuit Breaker (MCB) is intended to protect electrical circuits from overload and short circuits in commercial and industrial applications. With a current rating of 40A and compatibility for both AC and DC systems, it ensures safety and dependable performance. The design facilitates straightforward installation on DIN rails, making it suitable for various electrical setups.

Features & Benefits

• Provides short circuit protection to safeguard connected equipment

• Equipped with thermal electromechanical tripping for prompt response

• Specified as a 1P MCB for single-phase circuits

• Accommodates a rated AC voltage of 230V and DC voltage up to 72V

• Achieves a breaking capacity of 10kA for dependable service

• Constructed for easy disassembly, enabling efficient maintenance

Applications

• Suitable for commercial electrical installations

• Protects industrial machinery

• Used in automation systems for safety

• Ideal for projects with space constraints

• Serves in electrical panels for improved circuit management

What is the proper way to install it on a DIN rail?

To install the unit on a DIN rail, simply push the breaker firmly onto the rail until it clicks securely in place.

Can it handle both AC and DC voltage requirements?

Yes, it is rated for 230V AC and 72V DC applications, offering versatile options for different configurations.

What features contribute to its high breaking capacity?

The advanced thermal and electromechanical tripping mechanisms allow for effective coordination, ensuring rapid circuit interruption.

Is maintenance typically required for this type of device?

Regular inspections are recommended to verify functionality, particularly in such environments, although its design allows for easy access during maintenance.

How does it protect against overload conditions?

The thermal tripping function detects extended overcurrent situations, disconnecting the circuit automatically to prevent potential damage.