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ABB S203L Miniature Circuit Breaker, 3-Pole, 6A, Type D, 400V ac AC, 6 kA Breaking Capacity
The ABB S203L Miniature Circuit Breaker, 3-Pole, 6A, Type D, 400V ac AC, 6 kA Breaking Capacity is a professional-grade industrial component designed for reliable performance in demanding environments including power distribution, oil and gas, and process manufacturing applications.

ABB S203L Miniature Circuit Breaker, 3-Pole, 6A, Type D, 400V ac AC, 6 kA Breaking Capacity
The ABB S203L Miniature Circuit Breaker, 3-Pole, 6A, Type D, 400V ac AC, 6 kA Breaking Capacity is a professional-grade industrial component designed for reliable performance in demanding environments including power distribution, oil and gas, and process manufacturing applications.

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Product Description
Engineered for durability and performance, the ABB S203L Miniature Circuit Breaker, 3-Pole, 6A, Type D, 400V ac AC, 6 kA Breaking Capacity is a trusted industrial component suited for a wide range of operational environments.
Featuring a robust build quality, this component is designed to maintain consistent performance under variable load conditions. The engineering behind this product reflects decades of industrial expertise, resulting in a component that balances reliability with ease of use. Its standardized form factor allows for quick replacement and seamless integration within established industrial setups.
The product is widely used in industrial process control applications, including manufacturing automation, power generation, and heavy industry. It supports reliable operation in oil and gas facilities, refineries, chemical processing plants, and utility infrastructure. Its suitability across multiple industry verticals makes it a versatile choice for procurement teams responsible for multi-site industrial operations.
The product conforms to applicable IEC and international standards governing industrial electrical components. Its electrical and mechanical ratings ensure compatibility with the voltage levels, current capacities, and environmental conditions typical of industrial installations. The design supports both panel-mount and field installation configurations, providing flexibility for various project requirements.
Long-term reliability depends on the quality of individual components within a system, and this product is designed to meet the demands of extended industrial service. Its construction materials and engineering tolerances are selected to maintain performance within specification over the full rated service life. For operators managing aging infrastructure or undertaking system modernization, this type of product provides a dependable upgrade path that minimizes installation complexity. The result is improved system reliability, reduced maintenance burden, and enhanced confidence in operational continuity.
This component is available through Z&F Corporation as part of a broad portfolio of industrial electrical, automation, and safety products. Its consistent performance record and recognized quality make it a trusted specification for industrial projects requiring reliable component supply. Engineers and procurement managers can rely on this product to deliver consistent results in service over its rated operational lifetime, supported by Z&F Corporation's responsive technical and logistics team.
Frequently Asked Questions
The trip curve — how many times the rated current has to flow before it trips instantly. Type B trips at 3–5×, Type C at 5–10×, and Type D at 10–20×, so the right choice depends on the inrush current of what's connected.
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