Product Description
The Schneider NB250N is a robust and reliable molded case circuit breaker engineered for superior circuit protection in diverse industrial and commercial applications. This 250A rated breaker offers exceptional performance with a high interrupting capacity, ensuring dependable protection against overloads and short circuits. The NB250N features a thermal-magnetic trip unit, providing both overload and short circuit protection, and is designed for easy installation and maintenance. It is built with high-quality materials and rigorous testing to guarantee long-lasting durability and dependable operation in demanding environments. The breaker's compact design optimizes space utilization within electrical panels, and it adheres to international standards, confirming its suitability for global deployment. It is a dependable solution for safeguarding electrical systems and equipment.
Is Your Device Showing These Signs?
The Schneider NB250N molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect trip settings or thermal overload, failure to reset after a fault, and contact wear leading to increased resistance and overheating. Calibration drift in the thermal-magnetic trip unit causes inaccurate protection, while mechanical damage to the operating mechanism prevents proper breaker function. Inspect the breaker for loose connections, damaged insulation, and ensure proper coordination with upstream and downstream protective devices to mitigate these problems. Regular maintenance and testing are crucial for reliable operation.
Technical specifications
The Schneider Electric NB250N is a robust, three-pole molded case circuit breaker (MCCB) engineered for reliable overcurrent and short-circuit protection in industrial and commercial power distribution systems. This 250A rated breaker features a fixed thermal-magnetic trip unit, providing instantaneous short-circuit interruption and time-delayed overload protection, ensuring equipment and circuit integrity. The NB250N offers a breaking capacity of 36kA at 415VAC, suitable for demanding applications, and is designed for easy installation with screw connections. It adheres to IEC 60947-2 standards, guaranteeing performance and safety, and is compatible with a range of accessories, including shunt trips, undervoltage releases, and auxiliary contacts, enabling enhanced control and monitoring capabilities.
Our Repair Process for the
NB250N
Our repair process for the Schneider NB250N molded case circuit breaker begins with a thorough inspection for loose connections, damaged insulation, and mechanical damage. We then test the breaker to identify issues such as nuisance tripping, failure to reset, contact wear, and calibration drift. Trip settings are verified and adjusted to eliminate nuisance tripping and thermal overload. If the breaker fails to reset, the operating mechanism is repaired or replaced. Contacts are cleaned or replaced to reduce resistance and prevent overheating. The thermal-magnetic trip unit is calibrated to ensure accurate protection. Finally, we verify proper coordination with upstream and downstream protective devices before returning the breaker to service.
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.