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ABB S803S Miniature Circuit Breaker, 3-Pole, 80A, UC-B, 750 V dc DC, 50 kA Breaking Capacity
The ABB S803S Miniature Circuit Breaker, 3-Pole, 80A, UC-B, 750 V dc DC, 50 kA Breaking Capacity provides robust industrial performance for use in manufacturing, energy, and process industry applications where reliability and standards compliance are essential.

ABB S803S Miniature Circuit Breaker, 3-Pole, 80A, UC-B, 750 V dc DC, 50 kA Breaking Capacity
The ABB S803S Miniature Circuit Breaker, 3-Pole, 80A, UC-B, 750 V dc DC, 50 kA Breaking Capacity provides robust industrial performance for use in manufacturing, energy, and process industry applications where reliability and standards compliance are essential.

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Product Description
The ABB S803S Miniature Circuit Breaker, 3-Pole, 80A, UC-B, 750 V dc DC, 50 kA Breaking Capacity is a high-performance industrial component engineered to deliver dependable operation across demanding environments.
This unit is constructed using high-grade materials that provide resistance to mechanical wear, thermal stress, and electrical interference. The product meets stringent quality benchmarks, ensuring that it delivers consistent results in high-demand industrial scenarios. Its design minimizes installation complexity while maximizing operational efficiency across the service life of the equipment.
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.
Technical compliance with IEC standards ensures that this product meets the electrical and mechanical requirements of professional industrial installations. The product is rated for the temperature ranges, protection classes, and operational duty cycles that are standard in industrial environments. This level of technical specification supports confident deployment in regulated industry sectors.
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.
For procurement teams, facilities engineers, and project developers working in demanding industrial sectors, this product represents a dependable, well-specified component choice. Its combination of proven performance, build quality, and standards compliance makes it suitable for critical applications where reliability is paramount. Z&F Corporation supplies this product as part of its comprehensive range of industrial electrical and automation solutions, ensuring availability and expert technical support for clients across multiple sectors.
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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