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ABB S801S Miniature Circuit Breaker, 1-Pole, 20A, UC-B, 250 V dc DC, 50 kA Breaking Capacity
Purpose-built for industrial applications, the ABB S801S Miniature Circuit Breaker, 1-Pole, 20A, UC-B, 250 V dc DC, 50 kA Breaking Capacity is a reliable component suitable for installation in control panels, switchgear, and industrial automation systems.

ABB S801S Miniature Circuit Breaker, 1-Pole, 20A, UC-B, 250 V dc DC, 50 kA Breaking Capacity
Purpose-built for industrial applications, the ABB S801S Miniature Circuit Breaker, 1-Pole, 20A, UC-B, 250 V dc DC, 50 kA Breaking Capacity is a reliable component suitable for installation in control panels, switchgear, and industrial automation systems.

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Product Description
Designed for professional-grade industrial applications, the ABB S801S Miniature Circuit Breaker, 1-Pole, 20A, UC-B, 250 V dc DC, 50 kA Breaking Capacity combines precision engineering with robust construction.
The component is engineered with industrial-grade reliability in mind, featuring thermal and mechanical properties that support continuous operation. Its design integrates seamlessly into modern control systems, automation networks, and power distribution architectures. Long-term performance is supported by a design that accounts for the electrical and mechanical demands of heavy-duty industrial use.
Engineers and facility managers in the oil and gas sector rely on this type of component for robust electrical performance under harsh field conditions. The product is equally at home in power distribution networks, industrial manufacturing lines, and process control systems. Cement plants, petrochemical refineries, and marine operations represent typical deployment environments where performance consistency is non-negotiable.
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.
The ability to source a reliable, standards-compliant component through a reputable distributor contributes directly to project quality and schedule certainty. For engineering contractors and EPC firms, consistent component specifications reduce procurement risk and support repeatable system performance across multiple project sites. The product's design also simplifies spare parts inventory management, as its standardized specifications allow for straightforward substitution and compatibility verification. These practical considerations make it a preferred specification for industrial projects where component reliability directly impacts operational outcomes.
Z&F Corporation offers this product as part of its industrial supply program, supporting clients in the oil and gas, power, marine, and manufacturing sectors. The product's proven track record in demanding applications makes it a preferred choice for maintenance, repair, and operations (MRO) procurement. Its availability through Z&F Corporation's distribution network ensures timely supply for both planned project requirements and urgent operational needs.
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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