Product Description
The ABB 125S2604-2 is a robust and reliable molded case circuit breaker engineered for superior circuit protection in demanding industrial and commercial applications. This breaker features a high interrupting capacity, ensuring dependable performance under fault conditions, and provides adjustable thermal-magnetic trip settings for precise overload and short-circuit protection. The 125S2604-2 is designed for ease of installation and maintenance, with a compact footprint that maximizes panel space. It meets stringent industry standards, guaranteeing safe and compliant operation. This circuit breaker is a dependable solution for safeguarding electrical systems and equipment, minimizing downtime, and enhancing overall operational efficiency.
Is Your Device Showing These Signs?
ABB 125S2604-2 commonly experiences failures related to worn or damaged pole shoes, resulting in reduced motor torque and potential stator winding overheating. We address issues such as rotor eccentricity caused by bearing degradation, which leads to air gap variations and increased vibration. Field winding insulation breakdown is a frequent problem, causing ground faults and requiring coil rewinding or replacement. Terminal box connection corrosion and loose connections are repaired to ensure proper power transmission and prevent arcing. Furthermore, we rectify cooling fan malfunctions that contribute to thermal overload and premature component failure.
Technical specifications
The ABB 125S2604-2 is a robust, three-pole molded case circuit breaker engineered for reliable overcurrent and short-circuit protection in industrial and commercial power distribution systems. This breaker features a fixed thermal-magnetic trip unit, providing instantaneous short-circuit interruption and time-delayed overload protection, ensuring equipment safety and minimizing downtime. It has a rated current of 125A and a maximum voltage rating of 600VAC, with a high interrupting capacity suitable for demanding applications. The 125S2604-2 is constructed with high-quality materials for durability and long-term performance, and it is designed for easy installation and maintenance. It conforms to UL 489 standards, guaranteeing compliance with industry safety regulations and performance requirements.
Our Repair Process for the
125S2604-2
Our repair process for the ABB 125S2604-2 begins with a thorough inspection to identify all faults, including worn pole shoes, rotor eccentricity, field winding insulation breakdown, corroded terminal box connections, and cooling fan malfunctions. We replace or recondition damaged pole shoes to restore optimal motor torque and prevent stator winding overheating. Bearing replacement and rotor balancing corrects rotor eccentricity, minimizing air gap variations and vibration. Field windings with insulation breakdown are rewound or replaced, eliminating ground faults. Terminal box connections are cleaned, tightened, and repaired to guarantee proper power transmission and prevent arcing. Cooling fan malfunctions are rectified through repair or replacement, preventing thermal overload and component failure.
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.

















