Same-day processing, overnight shipping available! (Order by 5pm ET, M-F)
2-4 WEEKS LEAD TIME
24
24 MONTH REPAIR WARRANTY
ISO CERTIFIED QUALITY
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.


Product Description
The Allen-Bradley 40781-800-01 contact replacement kit, part of the 407 Spare Parts series, is designed for lightweight industrial use and replaces contacts in Allen-Bradley 100-B180 and other Bulletin 100 line contactors. These contactors, often used to isolate welding transformers, are compatible with overload relays, auxiliary contacts, and DIN rail mounting bases. This diecast, 3-pole kit includes 3 moveable and 6 stationary contacts, springs, and screws, configured with 2 NO and 2 NC contacts. Rated for 600V AC/1 Amp DC and 10A/1 Amp, it features a rotary actuator/head operable clockwise or counterclockwise with a 3 lb-in torque. It offers a 90 total travel, 10 operating travel, and 4 differential travel, functioning between -10C and 94C. Weighing 2.15 lbs, this open-enclosure kit requires protection from water, debris, EMC noise, and is unsuitable for outdoor use.
Technical specifications
The Allen-Bradley 40781-800-01 contact replacement kit is for lightweight industrial use in Allen-Bradley 100-B180 and Bulletin 100 line contactors. The 3-pole kit includes contacts, springs, and screws, configured with 2 NO and 2 NC contacts, and is rated for 600V AC/1 Amp DC and 10A/1 Amp. It features a rotary actuator, operates between -10C and 94C, weighs 2.15 lbs, and requires protection from environmental factors.
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 services performed and products offered.
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.

Ships from Rochester, NY