Product Description
The ABB S203-C25 is a robust and reliable miniature circuit breaker (MCB) designed for overload and short-circuit protection in electrical installations. This three-pole device, rated at 25 Amperes with a C-curve tripping characteristic, ensures dependable performance in residential, commercial, and industrial applications. The S203-C25 provides effective protection for circuits with moderate inrush currents, such as lighting and general-purpose circuits. It features a high breaking capacity, safeguarding against potentially dangerous fault currents. Installation is straightforward using standard DIN rail mounting, and the clearly marked terminals facilitate secure and error-free wiring. The S203-C25 is constructed with high-quality materials, guaranteeing a long service life and consistent operation.
Is Your Device Showing These Signs?
ABB S203-C25 miniature circuit breakers commonly exhibit issues such as nuisance tripping caused by inrush currents from inductive loads or capacitive circuits, requiring investigation of load characteristics and potential replacement with a higher current rating or a breaker with appropriate trip curve. Overheating due to loose terminal connections or exceeding the breaker's rated current is another frequent problem, mandating inspection and tightening of connections, and verification of circuit load against the breaker's 25A rating. Failure to trip under fault conditions, stemming from a defective thermal or magnetic trip mechanism, necessitates immediate replacement of the breaker to ensure circuit protection. Damaged or broken housings due to physical stress or environmental factors also require breaker replacement to maintain safety and functionality.
Technical specifications
The ABB S203-C25 is a three-pole miniature circuit breaker (MCB) designed for reliable overcurrent and short-circuit protection in electrical installations. It features a C-curve tripping characteristic, providing instantaneous tripping between 5 and 10 times the rated current of 25A, suitable for inductive loads and general power distribution circuits. The S203-C25 has a rated voltage of 230/400V AC and a breaking capacity of 6kA, ensuring safe disconnection under fault conditions. This MCB is DIN rail mountable, facilitating quick and secure installation in distribution boards and consumer units. It incorporates a thermal-magnetic tripping mechanism, offering dependable protection against both overload and short-circuit currents. The S203-C25 is constructed with high-quality materials, guaranteeing durability and a long service life, and complies with IEC/EN 60898-1 standards, confirming its suitability for residential, commercial, and industrial applications.
Our Repair Process for the
S203-C25
Our repair process for ABB S203-C25 miniature circuit breakers begins with a thorough investigation of nuisance tripping incidents, including analysis of load characteristics and potential replacement with a breaker of higher current rating or appropriate trip curve. Overheating issues demand immediate inspection and tightening of all terminal connections, coupled with verification that the circuit load does not exceed the breaker's 25A rating. Breakers failing to trip under fault conditions, indicating a defective thermal or magnetic trip mechanism, are immediately replaced to guarantee circuit protection. Any breaker exhibiting a damaged or broken housing, regardless of cause, is replaced to maintain safety and proper functionality.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.