Schneider Electric ZB4B 2-position Key Switch Head

This Harmony XB4, black head with key (key no.520E) for key selector switch has 2 positions, operates with spring-return-from-right-to-left mechanism with key withdrawal on left position. This head with key provides a versatile interface for controlling your machines. It is easily installed and replaced on compatible complete key selector switch units to provide a secure manner for authorized staff to switch between process or machine operating modes. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. Secure machine and system operation with a key, only available to authorized operators. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product. Key removal allowed in only one of the positions, allowing for advanced interlocking between various parts of a machine or process, while limiting human errors.

The Schneider electric harmony XB4 rotary switch accessories are all the component and additional parts used in the function and extension of rotary switches. Rotary switches work by rotating around a central point, as opposed to being pressed or flipped. By stopping in different actuation positions, they can turn a circuit on or off, or make it increase or decrease in value.

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