S201MR-K0.5

Name: S201MR-K0.5
Brand: ABB
SKU: S201MR-K0.5

The ABB S201MR-K0.5 is a compact, reliable miniature circuit breaker suitable for single-pole applications. It features a 0.5 A rating and meets CSA, IEC, and UL standards for safe electrical installations.

Product ModelS201MR-K0.5

Material Number2CDS271437R0157

Product ID77742

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliability and SafetyThe ABB S201MR-K0.5 is designed to ensure reliable and safe electrical installations, meeting stringent CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077 standards.
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2. Compact DesignIts miniature design makes it perfect for space-constrained applications, ensuring efficient use of space in electrical panels.
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3. Easy InstallationThe circuit breaker is designed for simple installation, reducing the time and effort required for setting up electrical systems.
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4. High PerformanceWith a tripping characteristic K, the ABB S201MR-K0.5 provides consistent and reliable performance in various electrical conditions.
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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 product is compliant with international standards, making it suitable for use in a wide range of electrical installations globally.

Rated Current (In)

0.5 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

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

2CDS271437R0157