SDC 918U Indoor Entry Check Stand Alone Digital Indoor Keypad, 12/24VAC/DC, Satin Stainless Steel Finish

The SDC 918U Entry Check is a stand-alone digital keypad designed for reliable indoor access control in commercial and institutional settings. Operating on 12/24VAC/DC, this compact keypad manages a single door with programmable user codes, giving facilities a simple way to secure entry points without the complexity of networked systems. Its durable construction and straightforward programming make it ideal for offices, storage rooms, server closets, and other areas where controlled access is essential. With built-in relay outputs and flexible timing options, the 918U delivers dependable performance while keeping installation and day-to-day operation clean and intuitive.

Features

• Stand-alone digital keypad for single-door access control.

• Operates on 12 or 24 volts, AC or DC, for installation flexibility.

• Programmable user codes for managed entry.

• Weather-resistant keypad suitable for indoor use.

• Built-in relay output for controlling locks or strikes.

• Adjustable relay timing for momentary or latching operation.

• Compact housing that mounts easily at most entry points.

Functional Details

The 918U operates as a self-contained access system, activating a connected locking device when a valid code is entered on the keypad. Relay timing can be configured for either timed unlock or toggle operation to match the application.

• Stand alone digital keypad access control.

• Programmable primary and secondary codes.

• Relay output with adjustable time delay.

• Timed or latching (toggle) relay operation.