S203M-Z1

Name: S203M-Z1
Brand: ABB
SKU: S203M-Z1

The ABB S203M-Z1 is a compact, current-limiting miniature circuit breaker designed for reliable protection in various applications. It features two tripping mechanisms and is compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards.

Product ModelS203M-Z1

Material Number2CDS273001R0218

Product ID77672

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable ProtectionThe S203M-Z1 provides reliable protection against overloads and short circuits with its delayed thermal and electromechanical tripping mechanisms.
2
2. Compact DesignIts compact design makes it ideal for space-saving installations, ensuring efficient use of DIN rail space.
3
3. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, the S203M-Z1 offers flexibility in various settings.
4
4. Compliance with StandardsCompliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring high-quality performance and safety.
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)