3-position switch with key, robust metal key left and right ZB4BG4TEC10

Key switch – reliability and safety in one

This key switch is a solid solution for applications requiring additional protection against unauthorized access. Made of durable materials, it ensures long-lasting and trouble-free operation in various conditions. It is ideal for use where access control and protection against accidental or unauthorized starting or stopping of the device are important.

The switch belongs to the Harmony series from Schneider Electric, known for its high quality and reliable components. Installation is simple and intuitive, and a mounting hole diameter of 22.5 mm ensures compatibility with most standard control panels. The IP66 protection rating guarantees resistance to dust and water jets, making it suitable for use in harsh industrial environments.

Design and application

The switch has three positions – two switching positions and a central position locked with a key. The metal key provides stability and reliable operation, and its design allows for easy operation even with gloves. The key can be set to the left or right position, increasing installation flexibility. The round lens shape and chrome front ring give the device an aesthetic look.

The switch finds application in:

• Industrial machines and equipment
• Control cabinets
• Automation systems
• Applications requiring protection against unauthorized access
• Operator panels

Key features and benefits

• Durable construction: The metal front ring and solid mechanism ensure a long service life of the device.
• High degree of protection: IP66 guarantees resistance to dust and water, allowing use in harsh environmental conditions.
• Safety: The key lock prevents accidental or unauthorized switching of the device.
• Easy installation: The standard mounting hole diameter (22.5 mm) simplifies integration with existing control panels.
• Two switching stages: Allow flexible configuration of electrical circuits.
• Stable key: Ensures reliable operation of the switching mechanism without the risk of the key accidentally coming out during operation.