Product Description
The Allen-Bradley 803-B104 Rotating Cam Limit Switch, a Style B device, is a heavy-duty circuit control component designed for machinery with cyclical operations where motion directly relates to shaft rotation. Encased in a NEMA Type 4 and 13 enclosure, it features a standard left-hand shaft extension, 10 circuits with snap-action contacts, spring-loaded cam rollers, and adjustable cams on a 150rpm rotating shaft with a keyway for machine connection. Cam lobe contact activates the circuit, with dwell time determined by lobe size, while the valley deactivates it. Cam timing, measured in degrees relative to the keyway (TDC), offers a duration range of 14-346 degrees. The 10A snap-action contacts include one normally-closed and one normally-open contact, with AC/DC ratings of 15/1.5A (MAKE/BREAK) at 480V AC and 0.1A at 550-600V DC, respectively. It operates between -30 to 66C (-22 to 150F), stores between -30 to 93C (-22 to 200F), weighs 19.1 kg (42 lbs), measures approximately 411.2 x 144.5 x 200 mm (16.19 x 5.69 x 7.88 inches), and is certified by CSA, UL, and CE, making it suitable for industrial applications like waterway gate/lock operations, assembly/packing, and injection molding.
Is Your Device Showing These Signs?
The Allen Bradley 803-B104 push button frequently exhibits contact degradation, leading to operational failure and intermittent connectivity issues within industrial control systems. Technicians address problems such as coil burnout, which prevents proper actuation and disrupts circuit continuity. Binding or sticking of the plunger mechanism is a common fault, resulting in delayed or incomplete circuit changes. Additionally, environmental factors cause corrosion on the contacts and housing, increasing resistance and hindering reliable performance in harsh industrial settings. Replacement of worn components and thorough cleaning are standard procedures to restore optimal functionality.
Technical specifications
The Allen-Bradley 803-B104 Rotating Cam Limit Switch is a robust, NEMA 4/13 enclosed circuit control device for cyclical machinery. It uses shaft rotation to activate 10 circuits via adjustable cams and snap-action contacts. Each circuit has a normally-closed and normally-open contact with specific AC/DC ratings. The switch operates in a wide temperature range and is certified by CSA, UL, and CE for industrial applications.
Our Repair Process for the
803-B104
Our repair process for the Allen Bradley 803-B104 push button begins with a comprehensive inspection to identify contact degradation, coil burnout, plunger binding, and corrosion. Technicians disassemble the unit, meticulously clean all components, and replace any worn or damaged parts, including contacts, coils, and plunger mechanisms. All connections are verified for proper conductivity and mechanical integrity. The push button is then reassembled, tested under simulated operational conditions, and verified to meet original performance specifications before being returned to service, ensuring reliable operation within industrial control systems.
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.
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