Electronic Built-In Locker Locks

Electronic Built-In Locker Locks


Backed by the strength, reliability, and service of the Master Lock brand, the Electronic Built-In Locker Lock offering includes:

  • 3685 - Electronic Built-In Locker Lock
  • 3681 - ADA-Compliant Electronic Built-In Locker Lock with Bluetooth Fob
  • 1566 - Administration Key for Electronic Built-In Locker Locks

Designed to elevate the experience for both facilities and users, the Master Lock 3685 and 3681 Electronic Built-In Locker Locks offer a new level of innovation:

  • High-visibility display screen for intuitive operation
  • Long battery life to reduce operating costs
  • Anti-jamming features for reliable security
  • Single-user, multi-user and ADA Bluetooth® modes

The modern design and premium materials make the 3685 model ideal for health clubs, athletic and recreation facilities, gyms, spas, and country clubs. The 3681 model comes paired with a Bluetooth-enabled fob, and is ideal for ADA applications.


Install new or replace existing locks

  • Suitable for most lockers - metal, wood or phenolic
  • Reversible design works on lockers with left or right hinges
  • Easy to retrofit
  • Strike plate included
Lock On Locker


1566 Administration Key

Optional for use with the 3685 and 3681 models. Allows staff to quickly open locks, clear/reset lock codes, and modify lock settings.

1566 Administration Key

3686 Replacement Fob

The 3686 Bluetooth-Enabled Fob is available to replace lost or damaged fobs of existing 3681 models and is ordered synced to installed locks.

3686 Fob