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ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 16A, Type B, Type C, Type D, Type K, 400V ac AC, 250 V dc DC, 10
The ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 16A, Type B, Type C, Type D, Type K, 400V ac AC, 250 V dc DC, 10 offers dependable industrial performance and is suitable for deployment across power distribution, oil and gas, petrochemical, and manufacturing facilities.

ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 16A, Type B, Type C, Type D, Type K, 400V ac AC, 250 V dc DC, 10
The ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 16A, Type B, Type C, Type D, Type K, 400V ac AC, 250 V dc DC, 10 offers dependable industrial performance and is suitable for deployment across power distribution, oil and gas, petrochemical, and manufacturing facilities.

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Product Description
Engineered for durability and performance, the ABB SmiSSline S400M Miniature Circuit Breaker, 1-Pole, 16A, Type B, Type C, Type D, Type K, 400V ac AC, 250 V dc DC, 10 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.
This product is commonly deployed in oil and gas processing facilities, where reliable electrical protection and control are critical for operational safety. It finds application in power distribution systems, cement manufacturing plants, and petrochemical processing environments. Marine installations, railway infrastructure, and aviation facilities also benefit from the proven performance characteristics of this type of industrial component.
Manufactured to international quality standards, the product undergoes rigorous testing to verify performance under rated conditions. Its rated electrical characteristics ensure compatibility with standard industrial supply voltages and control circuit configurations. The physical design accommodates standard mounting arrangements, simplifying integration into existing infrastructure.
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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