RS PRO 2-position Key Switch Head, Maintained, 22.5 mm Cutout, Black Plastic Body 238-3943

RS PRO 238-3943 2-position Key Switch Head with a maintained switch operation and a 22.5 mm cutout diameter, designed for reliable industrial and commercial applications. It features a robust plastic outer body in black, engineered to be front-panel mounted securely through a 22.5 mm cutout and fixed onto a support base. The maintained operation switch provides stable control with two selectable positions, ideal for applications requiring positive tactile feedback without operator rotation.

This key switch head boasts an IP65 rating, providing excellent protection against dust and water ingress, suited for harsh industrial environments. It operates efficiently within a temperature range of -25 °C to +70 °C, making it versatile for different ambient conditions. Mechanical durability is rated at 0.3 million operations, complemented by a B10d rating of 0.6 million operations for ensured longevity under regular use.

Certified under CE, UKCA, EN 60947-5-1, and UL 508 standards, this switch head aligns with stringent international safety and performance requirements. The 30 mm outer diameter allows it to fit seamlessly into standard panel configurations. Designed in Italy, it reflects high-quality manufacturing processes and trusted engineering standards.

Applications include industrial controls, automotive, building and public works, lighting controls, medical equipment, and commercial kitchen appliances where reliable and secure key switch operation is critical. The product is compatible with specified selector switch contacts and support bases for complete system integration.

Plastic outer body with robust design and black color. Front panel mount via a 22.5 mm cutout. Two maintained switch positions. IP65 dust and water ingress protection. Mechanical durability of 0.3 million operations. Operates between -25 °C and +70 °C temperature range.

Complies with CE, UKCA, EN 60947-5-1, and UL 508 standards. Outer diameter 30 mm for standard fitting. High-quality Italian manufacturing.

This RS PRO Key Switch Head is an essential component for a wide range of industrial, commercial, and automation control systems. Environmentally sealed and mechanically reliable, it ensures safe and long-lasting operation in demanding environments. Browse the RS PRO collection for more electrical control components at EnvMart.