Product Description
Explosion proof limit switches are designed specifically for various hazardous areas, depending on their rating. In these limit switches, electrical contacts are contained within an explosion proof enclosure or housing, which eliminates the risk of a spark outside of the enclosure.
With our heritage designing limit switches for the nuclear industry, Namco Controls provides several heavy duty limit switches with explosion proof rated enclosures for hazardous area applications.
Choose the NEMA rated explosion proof limit switch series below or contact our experts to get help selecting the right switch for your application.
Robust Construction for Heavy Duty UseNAMKO's Limit Switch stands out with its cast iron body, offering exceptional strength and reliability under heavy industrial demands. The splash-proof, oil and dust resistant enclosure ensures consistent functioning even in challenging environments, making it ideal for hoists, conveyors, and various machinery.
Versatile and Safe OperationWith double break contacts (1NO+1NC), an adjustable lever arm actuator, and snap action control, this switch delivers precision and safety. It is compatible with both single and three-phase systems, operating at frequencies up to 50 Hz, and supports up to 415V AC/10A loads.
Long Mechanical Life and Customizable InstallationDesigned for longevity, the switch boasts a mechanical life of over 1 million operations. The customizable cable length and various mounting options (surface or panel) make installation seamless for a range of industrial environments, ensuring flexibility and reduced downtime.
FAQ's of NAMKO Make Heavy duty Limit switch:
Q: How is the NAMKO Heavy Duty Limit Switch installed in industrial equipment?
A: The switch can be mounted either on surfaces or panels using standard mounting hardware. Its 3/4 inch conduit entry and customizable cable length (standard 1 meter) simplify connection to machinery like hoists or conveyors.
Q: What benefits does the double break contact configuration (1NO+1NC) offer?
A: Double break contacts enhance reliability by ensuring more efficient circuit interruption and better operational safety. The 1NO+1NC layout provides both normally open and closed options, supporting diverse control requirements.
Q: When should this limit switch be used instead of lighter models?
A: This switch is ideal when you require a robust, oil and water resistant device supporting heavy loads (up to 1 ton) with high mechanical durability, such as in demanding industrial machinery, hoists, and conveyor systems.
Q: What makes the NAMKO switch suitable for harsh environments?
A: Its cast iron body, IP65 oil and dust splash-proof housing, and operating temperature range of -10C to +55C enable it to perform reliably in challenging industrial conditions.
Q: How does the adjustable lever arm actuator work?
A: The adjustable lever arm allows you to set the operating position precisely according to your application's needs, providing flexibility for use with moving parts in machinery.
Q: What is the mechanical life of this limit switch and why does it matter?
A: It boasts a mechanical life of over 1 million operations, meaning long-term reliability and minimal maintenance, which helps reduce operational downtime and costs.
Q: Where is this limit switch commonly used?
A: It is widely used in industrial machinery, material handling equipment, hoists, and conveyor systems where heavy duty and durable limit switches are required.