S203M-Z4DC

Name: S203M-Z4DC
Brand: ABB
SKU: S203M-Z4DC

The ABB S203M-Z4DC is a compact, current-limiting miniature circuit breaker suitable for 3-phase applications. It features delayed thermal and electromechanical tripping mechanisms, ensuring reliable overload and short-circuit protection. Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, this MCB is ideal for residential, commercial, and industrial use, with a rated current of 4 A and breaking capacities up to 10 kA at 230/400 V AC[1][4].

Product ModelS203M-Z4DC

Material Number2TAZ112300R1338

Product ID79687

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203M-Z4DC offers both delayed thermal and electromechanical tripping mechanisms, providing comprehensive protection against overloads and short circuits.
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2. Compliance with StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring it is suitable for a wide range of applications, including residential, commercial, and industrial settings.
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3. Compact DesignDesigned to be compact, the S203M-Z4DC saves space while maintaining high performance, making it ideal for installations where space is limited.
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4. Versatile ConfigurationAvailable in various configurations, including 3P and 3P+N, to accommodate different system requirements.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Tripping Characteristic

Rated Current (In)

4 A

Power Loss

6.72 W

Number of Poles

Product Net Width

52.5 mm

Product Net Height

85 mm