S203-Z8

Name: S203-Z8
Brand: ABB
SKU: S203-Z8

The ABB S203-Z8 miniature circuit breaker is designed for reliable protection and high performance. It meets UL, CSA, and IEC standards, ensuring safe and efficient operation in various applications. Ideal for general use, it provides excellent electrical endurance and mechanical durability.

Product ModelS203-Z8

Material Number2CDS253001R0408

Product ID77724

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compliance with Global StandardsThe ABB S203-Z8 is compliant with UL, CSA, and IEC standards, ensuring it meets the highest safety and performance requirements globally.
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2. High Electrical EnduranceWith 6,000 operational cycles, this circuit breaker offers exceptional electrical endurance, making it durable for long-term use.
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3. Mechanical DurabilityDesigned for 20,000 mechanical operations, the S203-Z8 ensures consistent performance and reliability over time.
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4. Shock and Vibration ResistanceBuilt to withstand shock resistance up to 25 g and vibration resistance according to IEC/EN 60068-2-6, this circuit breaker is robust against environmental stress.
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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