Unox Limit Switch Box

What is a Limit Switch Box?

A Limit Switch Box is a type of electrical control device used to monitor and control the movement of machinery or equipment. It consists of a box containing one or more limit switches, which are mechanical devices designed to detect the presence or absence of an object.

Typically mounted on or near the machine or equipment it controls, a limit switch box is used to activate or deactivate specific functions or movements based on the monitored object's position.

Limit switch boxes are commonly used in industrial environments, but they can also be found in other applications such as automatic doors and elevators. They provide precise and reliable control of machinery movement and contribute to the safety of both operators and equipment.

Specifically, a limit switch box indicates whether a valve is in the open or closed position by providing a position verification signal. Limit switches usually send signals to remote controllers like PLCs (Programmable Logic Controllers) or DCS (Distributed Control Systems), which are generally located away from the valve.

The top of a limit switch often includes a visual position indicator showing whether the valve is open or closed, allowing operators near the valve to visually confirm its status.

Limit Switch Box Product Features

• Body: Aluminum Injection

• Indicator: Transparent Plastic

• Bolts: AISI 304 Stainless Steel

• Seal: EPDM

• Protection Class: IP67

• Connection Interface: Namur VDI / VDE 3845

General Features of the Switch Box

• Open/closed position indicator

• Compatible with all types of actuators with Namur standard connections

• Easily adjustable

• Position indication range: 0° to 90°

• Operates reliably in a wide temperature range (-20°C to 80°C)

• Capability to directly connect Namur directional valves inside the box

• Waterproof protection with IP67 rating