HES KA-106A Key Switch Round On/Off Keyed

HES KA-106A Key Switch Round On/Off Keyed

The HES KA-106A is a round key switch designed to provide secure, authorized manual control of on/off functions in access control and security system installations. Built with a key-remove-off-only design, this mechanical switch automatically returns to the off position when the key is extracted, preventing unattended activation and ensuring reliable operational control in applications requiring restricted access.

Key Features

• Round form factor for standard panel and enclosure mounting
• Key-operated control restricts access to authorized personnel only
• Key-remove-off-only function—switch returns to off when key is removed
• Two-position on/off switching mechanism
• Mechanical switching for dependable manual control without electronic dependencies

Technical Highlights

The KA-106A delivers straightforward mechanical switching functionality essential for security infrastructure integrations. Its compact circular design fits standard mounting patterns in control enclosures, security panels, and equipment cabinets. The keyed activation mechanism ensures that only authorized personnel can initiate switch operation, while the automatic off-position return upon key removal provides an additional safety and control layer, preventing accidental or unattended device activation.

Applications

The HES KA-106A is commonly deployed in:

• Access control systems requiring manual override or emergency activation
• Alarm panel control enclosures
• Auxiliary equipment manual control points
• Security device enable/disable functions
• Emergency shutdown and manual intervention stations

This switch type is ideal for installations where manual on/off control must be restricted to trained or authorized personnel, making it a standard component in professional security system design and integration.