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ABB S203L Miniature Circuit Breaker, 3-Pole, 25A, Type C, 400V ac AC, 6 kA Breaking Capacity
Engineered for industrial use, the ABB S203L Miniature Circuit Breaker, 3-Pole, 25A, Type C, 400V ac AC, 6 kA Breaking Capacity delivers consistent and dependable operation suited to control systems, electrical protection, and automation applications.

ABB S203L Miniature Circuit Breaker, 3-Pole, 25A, Type C, 400V ac AC, 6 kA Breaking Capacity
Engineered for industrial use, the ABB S203L Miniature Circuit Breaker, 3-Pole, 25A, Type C, 400V ac AC, 6 kA Breaking Capacity delivers consistent and dependable operation suited to control systems, electrical protection, and automation applications.

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Product Description
The ABB S203L Miniature Circuit Breaker, 3-Pole, 25A, Type C, 400V ac AC, 6 kA Breaking Capacity is a purpose-built industrial product offering consistent performance in challenging conditions.
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.
Industrial sectors including power generation, oil and gas, marine engineering, and process manufacturing rely on products of this type for operational continuity. The component supports both new installation projects and maintenance/replacement requirements across industrial infrastructure. Its proven reliability makes it a preferred specification choice among engineers, procurement managers, and project developers.
The engineering specifications of this product address the key performance parameters required in professional industrial contexts, including rated voltage, current capacity, and switching characteristics. Compliance with applicable product standards provides assurance of quality, safety, and long-term reliability. These characteristics make it a dependable choice for both original equipment manufacturers and end-user maintenance applications.
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.
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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