Schneider Electric Harmony 3-position Key Switch Head, Latching, 22mm Cutout ZB5AG0

Schneider Electric ZB5AG0 is a 3-position key switch head designed for reliable, authorized manual control in industrial environments. Featuring a latching switch operation and a 22mm panel cutout, it ensures secure and defined positional control with a 45° angle of throw.

This key switch head offers excellent environmental durability with IP66, IP67, IP69, and IP69K ratings, making it ideal for harsh washdown, marine, and offshore applications where corrosion resistance is critical. The operator bezel and key are constructed from dark grey/black plastic with a protective TH treatment to resist contaminants.

The robust mechanical design supports up to 1,000,000 cycles, providing long service life under demanding industrial conditions. It includes key type 455 for controlled access, enhancing safety by permitting authorized operation only. The stay-put operator maintains stable switch position despite vibration, while key withdrawal is allowed in any of the three positions for added flexibility.

Installation is simplified as the switch head fits a standard 22mm cutout and mounts on the front panel. The overall dimensions are compact, supporting efficient panel layouts with approximately 29mm width and height and 72mm depth clearance.

This switch head is compliant with multiple international standards including IEC 60947 series, JIS C8201, UL 508, and CSA C22.2 No 14, and it carries certifications from CSA, UL, CE, DNV, GL, and BV, ensuring suitability for industrial and safety-critical applications in machine control, automation assembly lines, food and beverage washdown equipment, marine and offshore control stations.

Fits standard 22mm panel cutout for installation. Three selectable positions with 45° angular travel. IP66 to IP69K ratings for protection in harsh environments. 1,000,000 mechanical life cycles for durability. Authorized operation with Key Type 455.

Stable position retention under vibration. Key removable in any position for operational flexibility. Complies with IEC, JIS, UL, CSA, and CE standards. Constructed from treated plastic materials for contaminant resistance.

Environmentally resistant and robust, the Schneider Electric Harmony ZB5AG0 Key Switch Head supports a wide range of industrial applications including machine control panels, safety isolation, and assembly automation. Its compact size and certified quality ensure reliable performance in demanding industrial, manufacturing, marine, and food processing environments.

Explore the broader range of Schneider Electric Switches & Selector Switches available on EnvMart for your control and automation needs.