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ABB SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 16A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc DC, 10
Purpose-built for industrial applications, the ABB SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 16A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc DC, 10 is a reliable component suitable for installation in control panels, switchgear, and industrial automation systems.

ABB SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 16A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc DC, 10
Purpose-built for industrial applications, the ABB SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 16A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc DC, 10 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 SmiSSline S400M Miniature Circuit Breaker, 3-Pole, 16A, Type K, Type D, Type C, Type B, 400V ac AC, 250 V dc DC, 10 combines precision engineering with robust construction.
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.
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.
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.
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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