RS PRO Key Selector Switch 1 NO/1 NC, 22.5 mm Cutout Diameter, 2 Positions, Maintained, Screw Terminal, IP65 IP20 238-3964

RS PRO model 238-3964 Key Selector Switch is a high-quality selector switch designed for industrial and automation applications requiring precise control with maintained switch operation. Featuring a key actuator, this selector switch provides 2 positions with a 1 NO/1 NC contact configuration. It offers a 22.5 mm cutout diameter, making it suitable for front panel mounting in control panels up to 6 mm thick.

The switch body is constructed from durable thermoplastic material encompassing a black short lever actuator. It is non-illuminated and equipped with screw terminals featuring captive cable clamps, securing electrical connections firmly. With IP ratings of IP65 and IP20, this switch is protected against dust and water ingress to suit robust industrial environments.

The mechanical durability is rated at 0.3 million operations with a B10d lifespan of 0.6 million operations, designed for long service life. Operating temperature ranges from -25 °C to +70 °C, with stock temperatures tolerating -40 °C to +80 °C, making it applicable in diverse climatic conditions. Compliance with CE, EN, UL, and UKCA standards ensures trusted safety and performance standards.

This key selector switch is predominantly used for electrical control systems in automotive, industrial controls, building, and public works, where reliable switching action and mechanical strength are essential. It provides a positive tactile feel with key rotation without operator rotation and supports 2 or 3 switch positions, with variants available separately for different contact configurations and key extractions.

Features a thermoplastic body with a black short lever actuator. Non-illuminated design suitable for panel mounting with 22.5 mm cutout. Equipped with screw terminals with captive cable clamp secure connections. Supports IP65 and IP20 protection ratings for varied environments.

Mechanical durability rated at 0.3 million operations with a B10d value of 0.6 million operations. Operates within a temperature range of -25 °C to +70 °C, with stock temperature limits from -40 °C to +80 °C. Maintained switch operation with key actuation ensuring precise control.

Complies with CE, EN, UL, and UKCA standards for quality assurance. Outer diameter of 30 mm, compatible with panels up to 6 mm thickness.

RS PRO offers these selector switches as complete units comprising the switch head, contact block, and support base, delivering seamless panel integration and performance reliability. This model is made in Italy, underpinning its high manufacturing quality.

Explore the range of RS PRO Selector Switches and other industrial electrical components at EnvMart for your automation and control system needs.