S203-Z4

Name: S203-Z4
Brand: ABB
SKU: S203-Z4

The ABB S203-Z4 Mini Circuit Breaker is a reliable and efficient solution for 3-phase applications. Featuring a Z tripping characteristic and 4A rated current, it provides excellent overload and short-circuit protection. Suitable for residential, commercial, and industrial use.

Product ModelS203-Z4

Material Number2CDS253001R0338

Product ID80784

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203-Z4 offers robust protection against overloads and short circuits, ensuring the safety of your electrical system.
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2. Versatile ApplicationDesigned for 3-phase applications, this mini circuit breaker is ideal for residential, commercial, and industrial settings.
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3. Efficient DesignWith its Z tripping characteristic, the S203-Z4 provides quick and reliable tripping in case of an overload or short circuit.
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4. High-Quality BuildConstructed with high-quality materials, this breaker ensures durability and long-lasting performance.
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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

Standards

IEC/EN 60898-1 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

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