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Schneider Electric Harmony 3-Position Key Switch Head, Latching, 22 mm Cutout ZB4BG312

Category Key Switch Heads Brand Schneider Electric Condition New

Specifications

Country of Origin India
Brand Schneider Electric
Model ZB4BG312
IP Rating IP67, IP69K, IP66
Series Harmony
Number of Positions 3
Switch Operation Latching
Mechanical Life 1000000Cycles
Number of Keys 2
Angle of Throw 45 °
Cutout Diameter 22mm
Key Type 421E

Key Features

  • Designed for a 22 mm cutout diameter ensuring easy installation.
  • Features 3 switch positions with key withdrawal allowed only in center position.
  • Key type 421E with 2 keys included for authorized access.
  • Durable metal bezel and black handle providing high impact and vibration resistance.
  • IP67, IP69K, and IP66 ratings ensure protection against dust, water, and harsh environments.
  • Mechanical life is rated at 1,000,000 cycles for robust performance.
  • Operating temperature range from -40°C to 70°C suitable for industrial use.
  • Complies with multiple international standards including CE, UL, and IEC certifications.

Product Description

Schneider Electric ZB4BG312 is a 3-position key switch head from the Harmony series, designed with a latching switch operation and a 22 mm standard cutout diameter. It provides an effective method for authorized operators to control machinery securely in industrial, infrastructure, and service sectors.

This switch head features a robust black handle with a durable metal bezel, offering excellent impact and vibration resistance. It is rated with IP67, IP69K, and IP66 ingress protection levels, making it dustproof and water-resistant, suitable for harsh environmental conditions. The key withdrawal is allowed only at the center position, enabling advanced interlocking for process safety and user access control.

Equipped with key type 421E and supplied with 2 keys, it integrates seamlessly into compatible Harmony XB4 switch bodies and contact units. Its mechanical life expectancy of 1,000,000 cycles ensures long-term reliability in demanding applications. Operating temperature ranges between -40°C to 70°C allow usage across various industrial environments.

The ZB4BG312 complies with numerous quality and safety standards, including CE, UL 508, IEC 60947 series, and CSA C22.2 No 14, ensuring trustworthy performance and regulatory acceptance. It is perfectly suited for use in automotive manufacturing, energy distribution panels, building management systems, public works infrastructure, and airport controls.

Designed for a 22 mm cutout with latching switch operation for secure control. High IP ratings protect against dust ingress and liquid exposure in extreme conditions. Robust mechanical design with metal bezel enhances durability and vibration resistance.

Wide operating temperature range for versatile industrial applications. Complies with international standards ensuring safety and reliability. Includes 2 keys with key type 421E for authorized operation and security. Durability assured by 1,000,000 mechanical life cycles.

Ideal for automotive, energy, building, and public sector control systems. Facilitates secure interlocking to minimize human errors and improve process safety. Explore more Schneider Electric key switches and control products on EnvMart for superior industrial automation solutions.

Explore more products in our Key Switch Heads category.

Schneider Electric Harmony 3-Position Key Switch Head, Latching, 22 mm Cutout ZB4BG312
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