"ABB S203-K32: A 3-pole, 32A, 480Y/277 VAC miniature circuit breaker designed for supplementary protection. High performance and safety features make it a reliable choice."
Product ModelS203-K32
Material Number2CDS253001R0537
Product ID75826
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe ABB S203-K32 circuit breaker provides reliable supplementary protection for your electrical system, ensuring your equipment operates safely and efficiently.
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2. High PerformanceWith its K curve rating, this circuit breaker is designed to handle high currents, making it suitable for a variety of applications where reliability is crucial.
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3. Compact DesignThe miniature design of the S203-K32 makes it easy to integrate into your existing electrical setup, saving space without compromising on performance.
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4. UL1077 CertificationThe ABB S203-K32 is certified to UL1077 standards, ensuring compliance with industry regulations and providing peace of mind for your electrical installations.
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
K
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
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5. Durable ConstructionBuilt with high-quality materials, the S203-K32 is designed to withstand the rigors of daily use, providing long-lasting protection for your electrical system.
