Alarm Lock Electronic Door Locks & Access Control

Shop Alarm Lock Electronic Locks


Shop Alarm Lock electronic door locks and access control hardware at Factory Direct Hardware. Alarm Lock is best known for its Trilogy® keypad and credential-based locks used in commercial and multi-family properties—ideal for offices, schools, healthcare, and rentals. Choose standalone keypad locks, proximity/credential options, and related parts like latches, battery packs, and spacers, then filter by door type, finish, and availability to match your existing prep. Need help selecting the right lock or replacement part? Our team can help you confirm fit and function before you order.
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How to Choose an Alarm Lock for Your Door

Alarm Lock specializes in electronic access locks designed for high-use openings. Their Trilogy® line is widely used when you want keyless access with PIN codes or credentials—common in offices, schools, healthcare, and rental properties. Whether you’re replacing an existing lock or adding access control for the first time, the right choice depends on door prep, environment, and the way users will enter.

Buying tips (avoid returns):

  • Confirm your door prep: cylindrical vs mortise, door thickness, and backset—replacement parts like latches and battery packs must match the lock series and door prep.
  • Choose your access method: keypad-only for simple code entry, or credential/proximity options if you need a managed access system.
  • Check indoor/outdoor needs: some models are intended for specific environments; verify specs before ordering.
  • Exit device compatibility: if you’re using electronic trim with an exit device, confirm the exact compatibility requirements before you buy.

Popular Alarm Lock categories

  • Keypad / electronic locks (Trilogy®)
  • Replacement latches, battery packs, spacers & accessories

Alarm Lock FAQs

Are Alarm Lock Trilogy locks Grade 1? Many Trilogy models are marketed as durable commercial-grade locks; always verify the specific model’s listing/spec sheet for ratings and application.

Do I need software to manage users? Some Alarm Lock systems support software and programming tools (e.g., DL-Windows resources and manuals are available for supported models).

How do I replace a latch or battery pack? Match the replacement part to the lock series and door prep; ordering the wrong backset or latch style is the most common mismatch.

Can I use Alarm Lock with exit devices? Alarm Lock offers models intended for exit device applications; confirm the specific exit device model and required rotation/trim compatibility.