Schneider XA2EG21 Harmony | Key selector switch – Ø22 – 2 positions – stay put – 1NO

Schneider XA2EG21 Harmony | Key Selector Switch Ø22mm

1. Overview

The Schneider XA2EG21 Harmony is a key-operated selector switch from the Easy Harmony XA2 series, designed for industrial control applications. It features a 22mm mounting diameter, two-position stay-put mechanism, and 1 Normally Open (1NO) contact, ensuring secure and reliable operation in various automation and control systems.

2. Key Features

• Key-Operated Control: Enhances security by restricting access to authorized personnel.
• Two-Position Stay-Put Mechanism: Stays in the selected position until manually changed.
• Standard Ø22mm Mounting: Compatible with most industrial control panels.
• Durable Plastic Construction: Ensures long-term performance in demanding environments.
• Reliable Contact Configuration: 1NO (Normally Open) contact for efficient circuit control.

3. Technical Specifications

• Series: Easy Harmony XA2
• Type: Key Selector Switch
• Material: Plastic
• Mounting Diameter: Ø22mm
• Positions: 2 (Stay-Put)
• Key Type: Removable key for secure access
• Contact Type: 1NO (Normally Open)

4. Benefits

• Enhanced Security: Prevents unauthorized operation of machinery or systems.
• Easy Identification: Clearly defined key positions for intuitive use.
• Efficient Control: Stay-put mechanism maintains selection until changed.
• Simple Installation: Standard 22mm panel cutout for quick integration.

5. Applications

• Industrial Machinery & Equipment Control
• Electrical Panels & Operator Interfaces
• Security-Restricted Operations
• Process Automation & Safety Systems

6. Conclusion

The Schneider XA2EG21 Harmony key selector switch is a secure and reliable solution for industrial and automation applications. With its key-operated two-position design, stay-put mechanism, and 1NO contact, it provides effective control and restricted access, making it ideal for safety-critical and restricted-use environments.