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Schneider CA4KN40BW3

Schneider

Contactor

TeSys CA4K

CA4KN40BW3

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The Schneider CA4KN40BW3 is a dependable 4-pole contactor relay designed for robust performance in industrial control applications. This relay features a 24V AC coil voltage, ensuring compatibility with standard control circuits. With 4 normally open (NO) contacts, it provides ample capacity for switching auxiliary circuits, signaling, and interlocking functions. The CA4KN40BW3 is built to Schneider Electric's exacting standards, guaranteeing a long operational lifespan and consistent reliability. Its compact design facilitates easy installation in control panels and enclosures, saving valuable space. This contactor relay is an essential component for automation systems, motor control, and various other industrial processes requiring dependable switching capabilities.

Is Your Device Showing These Signs?

The Schneider CA4KN40BW3 contactor commonly presents issues such as coil burnout due to voltage fluctuations or improper wiring, resulting in operational failure. Contact degradation and pitting from repetitive high current switching are frequent, leading to increased contact resistance and potential welding. Overheating of the contactor is observed because of inadequate ventilation or excessive cycling, causing thermal overload and premature component failure. Mechanical wear of the armature and associated moving parts is expected, affecting response time and overall reliability. Troubleshooting includes verifying coil voltage, inspecting contact surfaces, and confirming proper thermal management to ensure optimal performance and longevity.

Technical specifications

  • The Schneider CA4KN40BW3 is a 4-pole contactor designed for controlling power circuits up to 690VAC and motor circuits up to 25HP at 480VAC. This contactor features a 24VDC coil with low consumption, ensuring compatibility with various control systems and minimizing energy usage. It provides 4 normally open (NO) main contacts, facilitating direct control of resistive, inductive, and capacitive loads. The CA4KN40BW3 incorporates screw-clamp terminals for secure and reliable connections, simplifying installation and maintenance. It is built to meet IEC 60947-4-1 standards, guaranteeing performance and safety in demanding industrial environments. Auxiliary contact blocks, surge suppressors, and other accessories are added to expand functionality and protection.

Our Repair Process for the

CA4KN40BW3

Our repair process for the Schneider CA4KN40BW3 contactor begins with a thorough inspection to identify common issues such as coil burnout from voltage fluctuations or improper wiring, contact degradation and pitting due to repetitive high current switching, overheating from inadequate ventilation or excessive cycling, and mechanical wear of the armature and moving parts. We verify coil voltage to confirm it meets specified parameters, meticulously inspect contact surfaces for signs of degradation or welding, and confirm proper thermal management to prevent overheating. Any identified issues are addressed through component replacement, contact cleaning or resurfacing, and improvements to ventilation or operational parameters to ensure optimal performance and longevity of the contactor.

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.

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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.

Buying Options

To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.

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Ships from Rochester, NY

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