Allen-Bradley 803-B4RB

The Allen-Bradley 803-B4RB Rotating Cam Limit Switch with Speed Reducer is engineered for precise industrial machinery control, effectively managing synchronization with shaft rotations. This robust device features a shaft-mounted cam that engages multiple contacts, making it ideal for demanding applications like punch presses, injection molding, and steel forming. With four control circuits utilizing 10A snap action contacts, it ensures reliable operation. The durable design includes a spring-loaded cam-roller and oversized ball bearings, allowing the unit to run smoothly at a base speed of 150 RPM. This switch offers internal timing and dwell time adjustments, alongside a left shaft extension. Built to endure, it has a 60:1 gear ratio speed reducer and a temperature-resistant cast iron side plate, all housed in a NEMA Type 1 enclosure conducive for indoor use. Designed to perform under a wide temperature range of -30 to 66 degrees Celsius, the compact 803-B4RB is the perfect component for diverse industrial applications, optimizing both efficiency and reliability.