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ABB S800S Miniature Circuit Breaker, 1-Pole, 40A, Type D, 240V ac AC, 50 kA Breaking Capacity
Purpose-built for industrial applications, the ABB S800S Miniature Circuit Breaker, 1-Pole, 40A, Type D, 240V ac AC, 50 kA Breaking Capacity is a reliable component suitable for installation in control panels, switchgear, and industrial automation systems.

ABB S800S Miniature Circuit Breaker, 1-Pole, 40A, Type D, 240V ac AC, 50 kA Breaking Capacity
Purpose-built for industrial applications, the ABB S800S Miniature Circuit Breaker, 1-Pole, 40A, Type D, 240V ac AC, 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
The ABB S800S Miniature Circuit Breaker, 1-Pole, 40A, Type D, 240V ac AC, 50 kA Breaking Capacity represents a reliable solution for industrial control and protection, built to meet the rigorous demands of modern facilities.
This product features rugged construction designed to withstand the mechanical stresses and environmental challenges typical of industrial installations. Its compact design allows for efficient space utilization in control panels, distribution boards, and automation enclosures. The unit provides reliable protection and operational control under continuous-duty conditions, reducing maintenance requirements and unplanned downtime.
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.
Procurement teams operating in capital-intensive industries recognize the value of specifying proven industrial components from manufacturers with established quality systems. This product's track record in comparable applications provides confidence in its suitability for new projects and system upgrades. Its design supports lifecycle management by providing predictable performance characteristics throughout the rated service period. For facilities running on tight operational margins, reducing the frequency and cost of unplanned maintenance events is a key driver behind the selection of quality-engineered industrial components.
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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