S204-Z4

Name: S204-Z4
Brand: ABB
SKU: S204-Z4

The ABB S204-Z4 is a current-limiting miniature circuit breaker designed for compact installations. It features two tripping mechanisms: delayed thermal tripping, ensuring reliable protection in various applications.

Product ModelS204-Z4

Material Number2CDS254001R0338

Product ID77898

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Current LimitingThe S204-Z4 is designed to limit current in the event of an overload, reducing the risk of damage to the circuit and surrounding equipment.
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2. Delayed Thermal TrippingThis mechanism provides a delayed response to thermal changes, ensuring that the circuit breaker trips only when necessary, minimizing false triggers.
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3. Compact DesignWith a built-in depth of 69 mm, the S204-Z4 is perfect for installations where space is limited, making it ideal for a variety of applications.
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4. Reliable ProtectionThe S204-Z4 offers reliable protection against overcurrents, ensuring the safety of your electrical system and the equipment connected to it.
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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