Lorlin Key Switch DPST 4A 2-Way Zinc Alloy Housing On-Off Operation LS121

Lorlin LS121 Key Switch DPST 4A 2-Way is a compact, tubular key-operated switch designed for precise control in electrical and automation systems. With its on-off switch operation and durable double pole single throw contact configuration, it delivers reliable switching performance up to 4 amperes at 125 volts AC. The device features a robust chrome-plated zinc alloy body that protects the internal components while maintaining a compact form factor suitable for panel mounting.

The key switch incorporates silver-plated contacts and solder-type terminals to ensure consistent electrical conductivity and easy installation. The bezel is shaped round for ergonomic access and panel integration. Its 90-degree key index angle allows the key to be removed in either switched position, a feature enhancing security and preventing unauthorized switching.

Built to operate within a temperature range of -20°C to 55°C, this key switch is well suited for various industrial, construction, and commercial applications where dependable electromechanical control is critical. The mechanical life rating of 50,000 cycles ensures the product's endurance in demanding environments.

Common usages include control panels, alarm systems, and electromechanical operations, where safety and reliability are paramount. The product complies with RoHS environmental standards and carries additional certifications such as ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007, supporting its suitability for sensitive electronic applications.

The switch offers two distinct positions operated via a tubular key for secure control. Construction from zinc alloy improves durability and corrosion resistance. Silver-plated contacts enhance conductivity and reduce wear.

Designed for electrical loads up to 4A at 125V AC, suitable for moderate power applications. Capable of sustaining mechanical operations up to 50,000 cycles for reliability. Temperature tolerance enables usage in diverse environmental conditions.

Compliance with RoHS and industry standards safeguards quality and safety. Removable key capability at both positions increases operational security. Compact round bezel offers aesthetic panel mounting integration.

Choose Lorlin LS121 for dependable, secure switching in critical electrical and industrial control systems. Explore more Key Switches and related automation components in EnvMart’s Electronics & Electricals category for professional-grade solutions.