Featuring black handles and a range of positions, Schneider Electric offers the Harmony ZB4 series of key switch heads. Round and chrome plated metal, they are designed to be durable, simple to set up, flexible and robust. Each switch head contains an ingenious locking system which is a snap-fit head and body, the heads can be tightened with a single screw to ensure secure and simple mounting. We have a large range of Harmony ZB4 key switch heads available in our catalogue with different positions and operator type to suit your needs.

All heads require a body/fixing collar and contact bodies which are available from our catalogue of products:
Collar 331-0142
Contact bodies 331-0158

• Low-load electrical contact
• Screw clamp connection, pins for printed circuit
• Ingenious locking system
• Flexible and robust
• -40°C to 70°C operating temperature

• Conformity with IEC, UL, CSA standards
• IP67, IP66 conforming to IEC 60529, IP69 and IP69K
• NEMA 13 and NEMA 4X
• IK06 conforming to IEC 50102

Applications - Designed for industry, infrastructure and service sector use including:
• Automotive
• Control system panel builders
• Energy distribution
• Public works
• Building
• Airports

This key switch head by Schneider Electric is a durable and reliable solution for industrial applications. It features a waterproof design with an IP66 rating, making it suitable for a wide range of environments. The latching switch mechanism ensures secure operation, while the 22mm cutout diameter allows for easy installation.

• Waterproof design with an IP66 rating for protection against dust and water
• Latching switch mechanism for secure operation
• 22mm cutout diameter for easy installation
• Durable construction for long-lasting performance

• Ideal for use in industrial settings where durability and reliability are crucial
• Suitable for applications requiring key switch functionality in harsh environments

Yes, this key switch head is IP66 rated, making it suitable for outdoor use in various weather conditions.

The latching switch mechanism is designed for secure and reliable operation, providing peace of mind during use.

Yes, this key switch head is designed to fit a standard 22mm cutout diameter, ensuring easy installation in compatible panels.