S203M-Z3

Name: S203M-Z3
Brand: ABB
SKU: S203M-Z3

The ABB S203M-Z3 is a reliable 3-pole miniature circuit breaker designed for residential, commercial, and industrial applications. It features current limiting and dual tripping mechanisms to protect against overloads and short circuits, ensuring safe and efficient electrical distribution.

Product ModelS203M-Z3

Material Number2CDS273001R0318

Product ID79069

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-Z3 offers robust protection against overloads and short circuits, ensuring the safety of your electrical system and connected devices.
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2. Versatile ApplicationSuitable for residential, commercial, and industrial applications, this circuit breaker provides reliable protection across various settings.
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3. Compact DesignFeaturing a compact and modular design, the S203M-Z3 is easy to install in electrical distribution boards, consumer units, and control panels.
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4. Dual Tripping MechanismsEquipped with delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, this circuit breaker ensures comprehensive safety.

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)