Limit Switches
When clear visual and electrical feedback is critical to your process, limit switches provide dependable confirmation of valve position for automated systems. Designed for durability and ease of use, these units feature robust housings, simple wiring configurations, and adjustable cams for precise open/close signaling. Standard models offer cost-effective indication for everyday applications, while advanced designs with tool-less cam adjustment and multiple conduit entries allow for quick installation and flexible integration—ensuring accurate monitoring and consistent performance in a wide range of operating environments.
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48 Series
The Max-Air 48 Series Explosion Proof aluminum and stainless steel series limit switch boxes are available for the highest level of safety when installations involve hazardous environments, including very difficult applications such as hydrogen and acetylene. Extremely reliable, robust, and time tested the 48 Series is an excellent solution for your position monitoring needs. Switches available with mechanical, proximity and inductive types, and fully certified to North American and European standards.
45 Series
The Max-Air 45 Series aluminum and stainless steel series limit switch boxes are an extremely reliable, robust, and time tested solution for your position monitoring needs. Switches available with mechanical, proximity and inductive switch types, and fully certified to North American and European standards.
40 Series
The Max-Air 40 Series Technopolymer Limit Switch Box is designed for reliable position indication in ordinary location applications. Constructed from durable technopolymer, it features Quick Set cams that can be easily adjusted manually and independently without additional tools using high-resolution spline cams. The unit is built for efficient installation with two (2) M20x1.5 conduit entries (1/2” NPT available upon request) and a single angled terminal strip for simplified wiring (10-point standard, 8-point on SJ3.5 models), allowing for fast, clean, and user-friendly setup.
41 Series
The Max-Air 41 Series Technopolymer Limit Switch Box provides a new dimension in position indication for rotary actuators. Manufactured completely in technopolymer with stainless steel fasteners and fully CSA/UL Listed, carrying a NEMA 4/4X rating, these compact lightweight limit switches are an excellent choice for most corrosive environments.
