S203M-K8UC

Name: S203M-K8UC
Brand: ABB
SKU: S203M-K8UC

The ABB S203M-K8UC miniature circuit breaker provides high performance and flexibility in both DC and AC applications. It features a high short circuit breaking capacity and meets international standards for safety and reliability.

Product ModelS203M-K8UC

Material Number2CDS273061R0407

Product ID78172

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. High Short Circuit Breaking CapacityThe S203M-K8UC boasts an impressive short circuit breaking capacity, ensuring reliable operation even in critical situations.
2
2. Flexible DC and AC ApplicationsDesigned to handle both DC and AC currents, this MCB offers versatility in a wide range of electrical installations.
3
3. Compliance with International StandardsMeets and exceeds major international standards such as IEC/EN 60898-2 and IEC/EN 60947-2, ensuring safety and reliability.
4
4. Easy IntegrationCompatible with all System pro M compact accessories, making it a simple and flexible solution for various electrical projects.
5

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 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

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