Enclosure : Weatherproof IP67/NEMA4,4X,7,9 (Standard ) IP68(Option)
Explosionproof : E EX d IIB T6
– Solid and Durable design & various options ava ilable
3~4 additional switches
8~20 points Terminal Strips
various options switches
– Bolts on visual position indicator
APL410 Explosion-proof limit switch box is perfect for use in outdoor and industrial settings. Its weatherproof enclosure has an IP67/NEMA4,4X,7,9 rating (standard) with the option for an IP68 rating. This ensures maximum protection against dust, water, and other environmental factors.
Multiple options available – Customize your switch box with 3-4 additional switches, 8-20 points terminal strips, and various options for switches. The included bolts on visual position indicator allows for easy monitoring of switch positions.
Explosionproof and safe – With its E EX d IIB T6 explosion proof rating, this limit switch box is designed to safely operate in hazardous environments. The captive cover bolts add an extra layer of protection.
Easy installation – The APL410 features an easy mounting bracket, making installation a breeze. It also offers multiple cable entry options including 2 x 3/4 NPT (standard) or M20, M25, PF3/4 , PT3/4 4Cable entries (option).
High-quality materials – Made with NAMUR standard stainless steel shaft and a choice of stainless steel or steel bracket, this limit switch box is built to last and perform consistently in any setting. Trust the APL410 for all your explosion-proof needs.
A limit switch box, also commonly referred to as a limit switch panel, is an electrical control system used in industrial and automation applications. It consists of individual switches for various processes and acts as a control center to detect faults or events that can impact the system’s productivity or safety.
Limit switches are designed to open or close when certain parameters are met – this makes them great for process automation such as detecting over-traveling and under-traveling of different types of motorized machinery. Limit switches provide protection from overloads by breaking the circuit; this prevents damage to equipment in case of unexpected power fluctuations or malfunctions. This helps keep machines running safely and efficiently while reducing downtime due to repairs.
The components in a typical limit switch folder include: one contact block, one actuator arm, two coils (one normally closed and one normally open), two contact points (usually NO/NC) and straps for connecting the limit switch box wiring harnesses together . Typical connections consist of three wires: signal, common (ground), voltage supply lines – all connected through appropriate terminal blocks on each side of the limit switch box. Some models may also have an optional indicator light which provides feedback when current is flowing through the device – making it easy to diagnose issues quickly without needing additional probing equipment.
What is the explosion-proof level of the valve limit switch box valve position sensor?
The explosion-proof level of the valve limit switch box is determined by its enclosure rating. This rating is given as a numerical value that denotes the maximum pressure within the box that it can withstand in a hazardous atmosphere. Generally, the higher the number, the better protection from an explosion will be provided.
The most commonly used enclosures are divided into three categories: Class I (intended for areas where flammable gas or vapor may be present), Class II (intended for areas where combustible dusts may be present), and Class III (for areas with fibers and flyings). Within each class there are various divisions that denote different levels of protection.
For example, if your application requires a valve limit switch to operate in a hazardous environment with flammable gases or vapors then you would choose an enclosure rated as at least Class I Division 1. If combustible dusts were also present then you would select both Class I Division 1 and 2 ratings depending on which was necessary for compliance with local regulations or safety requirements.
What are the key features of your limit switch boxes?
Limit switch boxes offer several key features:
Durable Construction: Made from high-quality materials to withstand harsh industrial environments.
Precision Sensors: Utilises mechanical or inductive sensors for accurate position feedback.
Corrosion Resistance: Designed to resist corrosion, ensuring longevity and reliability.
Easy Installation: Simple to mount and integrate into existing pneumatic valve systems.
Certification Compliance: Meets industry standards such as ATEX, IECEx, and SIL for safety and performance.
What types of valves are compatible with your limit switch boxes?
Our limit switch boxes are compatible with a wide range of valves, including pneumatic ball valves, pneumatic butterfly valves, pneumatic gate valves, and pneumatic globe valves. They are designed to work seamlessly with both rotary and linear valve actuators.
