S204MR-K1

Name: S204MR-K1
Brand: ABB
SKU: S204MR-K1

The ABB S204MR-K1 is a 4-pole miniature circuit breaker (MCB) with a 1 A rating, providing reliable protection for electrical circuits. It features an IP20 degree of protection and a pollution degree of 3, ensuring robust performance in various environments.

Product ModelS204MR-K1

Material Number2CDS274437R0217

Product ID80288

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable ProtectionThe ABB S204MR-K1 offers reliable protection for electrical circuits with a 1 A rating, ensuring safe operation and minimizing the risk of electrical accidents.
2
2. High PerformanceDesigned for 4-pole applications, this MCB delivers high performance and durability, making it an ideal choice for various electrical installations.
3
3. Environmental DurabilityWith an IP20 degree of protection and a pollution degree of 3, the S204MR-K1 is designed to withstand harsh environmental conditions, ensuring continuous operation.
4
4. Compliance with EU DirectivesThe product follows EU Directive 2011/65/EU and Amendment 2015/863, ensuring compliance with the latest environmental regulations.

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. Robust DesignThe miniature circuit breaker features a robust design that enhances its lifespan and reliability, making it a long-lasting solution for electrical protection needs.

Rated Current (In)

1 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

2CDS274437R0217