Alarm Controls Corporation KA-109 Flat Key Single Button Keyswitch

Product Description

The ALARM CONTROLS CORPORATION KA-109 is a single-button flat key switch designed for on/off access control applications. This keyswitch uses a flat key cylinder to allow or restrict operation of a connected circuit, making it a reliable mechanical control point for doors, gates, elevators, and other access-controlled systems. Licensed electricians and security system integrators typically install this switch in commercial and residential facilities where keyed activation is required to prevent unauthorized use of an electrical function or entry point.

The KA-109 is suited for use in low-voltage access control systems and security installations where a single-button, key-operated on/off function is needed. It is commonly surface-mounted at entry points, control panels, or alongside electric strike and magnetic lock installations. Single-button keyswitches like this model are standard components in door access, industrial machinery lockout, and elevator control applications. Installation in commercial environments is common where code compliance or liability requires a keyed means of control.

Key Features

• On/off single-button configuration for straightforward keyed circuit control
• Flat key cylinder operation for low-profile, secure key management
• Compact keyswitch form factor suitable for surface or panel mounting
• Sold as a single unit, ready for individual installation points

Compatibility

Designed as an OEM-style key switch for use in standard access control and low-voltage security system installations where a single-button flat key on/off switch is specified.

Installation Notes

Installation should be performed by a licensed electrician or qualified security systems integrator familiar with low-voltage control wiring practices and applicable NEC requirements. Disconnect and de-energize all associated circuits before mounting or wiring the keyswitch. Do not exceed the rated voltage and current for the switch contacts as specified in the product manual. Verify proper key cylinder operation and secure all fasteners before returning the system to service.