Product Description
The Allen-Bradley/Rockwell Automation 104-E205KN22 is a large-frame, IEC 104 MCS-E reversing contactor designed for heavy-duty AC-3 applications. It features an electronic AC/DC coil with a wide 250-500V AC/DC voltage range, simplifying coil selection. With a 205A AC-3 and 350A AC-1 operating current, it handles 110kW motors (220-415V) and 132kW motors (440-500V) at 50Hz. It has an IEC-rated isolation voltage of 1000V, 3 main poles, and 2 auxiliary contacts provided by the mechanical interlock (used to connect two contactors). Dimensions with the 100-EM mechanical interlock are 196mm (H) x 210mm (W) x 152mm (D). It includes a standard electronic AC/DC coil (no PLC input) operating at 50/60Hz AC. The contactor uses bar connections with a main terminal conductor range of 10-150 sq mm, and a maximum tightening torque of 18 N-m (160 lb-in) per UL/CSA standards.
Is Your Device Showing These Signs?
The Allen Bradley 104-E205KN22 commonly experiences issues related to contact wear leading to operational failure, coil burnout causing intermittent or complete inoperability, and mechanical binding within the armature assembly affecting proper switching. Resolve these problems through contact replacement, coil rewinding or replacement, and thorough cleaning and lubrication of the armature. Verify proper voltage supply and address any external factors contributing to premature component degradation to ensure optimal performance and longevity of the motor starter.
Technical specifications
The Allen-Bradley 104-E205KN22 is a robust, large-frame IEC 104 reversing contactor designed for demanding AC-3 applications. It features a versatile 250-500V AC/DC electronic coil, high operating currents (205A AC-3, 350A AC-1), and is capable of handling large motors (up to 132kW). It includes 3 main poles, 2 auxiliary contacts via a mechanical interlock, and has specific dimensions and terminal connection specifications.
Our Repair Process for the
104-E205KN22
Our repair process for the Allen Bradley 104-E205KN22 addresses common failure points directly. We begin by replacing worn contacts to restore reliable switching. Next, we either rewind or replace burned-out coils, depending on the extent of the damage, to eliminate inoperability. The armature assembly receives a comprehensive cleaning and lubrication to resolve any mechanical binding issues. Finally, we confirm the correct voltage supply and rectify any external conditions that accelerate component wear, guaranteeing the motor starter's peak performance and extended lifespan.
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.

















