HES KA-105A On/Off Key Switch with Key Remove Function

The HES KA-105A is a mechanical key-operated on/off switch engineered for security system integration and access control applications. This panel-mount switch delivers manual control with integrated key remove functionality, allowing operators to remove the key only when the switch is positioned in the ON state. The KA-105A provides fail-safe control for authorized personnel access in security installations where positive positioning and controlled key access are essential.

Key Features

Mechanical key-operated on/off switching mechanism

Key remove on only—key cannot be removed in OFF position for enhanced security

Durable construction rated for repeated use in access control applications

Panel-mount form factor for equipment racks and security enclosures

Tactile feedback and positive positioning for operator confirmation

Manual control with no electronic dependencies

Industrial-grade reliability for continuous security deployments

Technical Specifications

Mount Type: Panel mount
Form Factor: Key switch
Operation: Manual key-operated with ON/OFF positions
Key Control: Key remove function active only in ON position

Applications

The KA-105A integrates into access control systems, alarm panels, and security installations requiring manual key-controlled switching. Ideal for equipment racks, security control panels, and wall-mounted access control enclosures where authorized personnel must have positive control over system activation states. The key remove restriction in the OFF position ensures the switch cannot be left unsecured or accidentally operated by unauthorized users.