S204MR-K0.75

Name: S204MR-K0.75
Brand: ABB
SKU: S204MR-K0.75

The ABB S204MR-K0.75 is a high-quality, 4-pole miniature circuit breaker designed for 0.75A applications. It offers a rated short-circuit capacity of 10kA at 230V AC and 400V AC, ensuring reliable electrical distribution in residential and commercial settings.

Product ModelS204MR-K0.75

Material Number2CDS274437R0187

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable PerformanceThe ABB S204MR-K0.75 is engineered to provide consistent and reliable performance, ensuring that your electrical system operates safely and efficiently.
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2. High Short-Circuit CapacityWith a rated short-circuit capacity of 10kA at both 230V AC and 400V AC, this breaker can handle high electrical surges, protecting your equipment from damage.
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3. Compact DesignThe miniature design of the S204MR-K0.75 makes it perfect for use in a variety of applications where space is limited, including residential and commercial settings.
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4. Easy InstallationThe breaker features a ring cable lug, making installation quick and hassle-free. Its compact size also simplifies integration into existing electrical systems.

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 60947-2 400 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 StandardsThe ABB S204MR-K0.75 is compliant with UL 1077 standards, ensuring that it meets the highest safety and performance requirements for electrical distribution systems.

Rated Current (In)

0.75 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) 10 kA (400 V AC) 15 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)

(400 V AC) 11.2 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

(480Y / 277 V AC) 10 kA

Width in Number of Modular Spacings

4.0

Product Net Width

70 mm

Product Net Height

100 mm

Product Net Depth / Length

71 mm

Product Net Weight

0.56 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)

4899 >> Miniature circuit breaker (MCB) screw-in model

Manufacturer ID

2CDS274437R0187