S203M-Z4

Name: S203M-Z4
Brand: ABB
SKU: S203M-Z4

- Example: "ABB S203M-Z4 miniature circuit breaker provides current limiting protection with delayed thermal and electromechanical tripping mechanisms. Suitable for residential, commercial, and industrial use."

Product ModelS203M-Z4

Material Number2CDS273001R0338

Product ID111134

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature1. Current Limiting Protection The ABB S203M-Z4 miniature circuit breaker features current limiting protection, ensuring safe and efficient operation in various applications.
2
Feature2. Dual Tripping Mechanisms Equipped with both delayed thermal and electromechanical tripping mechanisms, this breaker provides comprehensive protection against overloads and short circuits.
3
Feature3. Versatile Applications Suitable for residential, commercial, and industrial use, making it a versatile solution for diverse electrical needs.
4
Feature4. High Breaking Capacity With a breaking capacity of up to 10 kA at 230/400 V AC, this breaker can handle high current surges effectively.
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 60898-1 400 V acc. to IEC 60947-2 440 V AC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)