S201MR-K40

Name: S201MR-K40
Brand: ABB
SKU: S201MR-K40

"The ABB S201MR-K40 is a 1P miniature circuit breaker with 40 A capacity, suitable for 230 V AC and 400 V AC applications. It offers high short-circuit breaking capacity and robust insulation, ensuring reliable protection for electrical circuits."

Product ModelS201MR-K40

Material Number2CDS271437R0557

Product ID80696

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking CapacityThe ABB S201MR-K40 features a high short-circuit breaking capacity of 10 kA at 230 V AC and 10 kA at 400 V AC, ensuring reliable protection against electrical surges.
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2. Robust InsulationWith a rated insulation voltage of up to 6.2 kV at sea level, the S201MR-K40 provides robust insulation, safeguarding against overvoltages and ensuring long-lasting performance.
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3. Versatile ApplicationDesigned for both 230 V AC and 400 V AC applications, this miniature circuit breaker is versatile and can be used in a variety of electrical systems, making it a reliable choice for various installations.
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4. Compact DesignThe S201MR-K40 has a compact design with dimensions of 17.5 mm in width and 71 mm in height, making it easy to integrate into modular DIN rail systems without taking up too much space.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 400 V acc. to IEC 60947-2 230 V AC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Input Voltage Type

5. Compliance with International StandardsThe ABB S201MR-K40 meets international standards such as CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077, ensuring that it meets the highest safety and performance standards globally.

Rated Current (In)

40 A

Rated Short-Circuit Capacity

(230 V AC) 10 kA (400 V AC) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(230 V AC) 15 kA (400 V AC) 10 kA (400 V) 6 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 10 kA (400 V) 10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(230 V AC) 10 kA

Rated Frequency (f)

50 / 60 Hz

Power Loss

1.4 W at Rated Operating Conditions per Pole 1.4 W

Energy Limiting Class

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Accessories Available

Yes

Connecting Capacity

Flexible with Ferrule 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Terminal Type

Double Clamp

Ambient Air Temperature

Operation -25 ... +55 Â°C

Degree of Protection

IP20

Pollution Degree

Interrupting Rating acc. to UL1077

(277 V AC) 10 kA

Width in Number of Modular Spacings

1.0

Product Net Width

17.5 mm

Product Net Height

100 mm

Product Net Depth / Length

71 mm

Product Net Weight

0.14 kg

Built-In Depth (t2)

69 mm

ETIM 8

EC000042 - Miniature circuit breaker (MCB)

ETIM 9

EC000042 - Miniature circuit breaker (MCB)

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

WEEE B2C / B2B

Business To Business

CN8

8536 20 10

UNSPSC

39121603

eClass

V11.0 : 27141901

IDEA Granular Category Code (IGCC)

4897 >> Miniature circuit breakers

Manufacturer ID

2CDS271437R0557