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- ESL Series Electronic Safe Locks

AMSEC has been a pioneer in the electronic lock market. The ESL series locks offer unrivaled value in electronic safe access. The ESL10 and ESL20 locks have the best blend of features and function in Electronic Safe Locks. The ESL10 is a basic keypad lock for home and office applications. The ESL20 offers advanced features necessary for commercial applications.



Standard Bolt

Standard Bolt

Slam Bolt

Slam Bolt

Type 1 Listed

Type 1 Listed



  • Replaces most mechanical combination locks. Easy installation and operation.
  • Combination changes are fast and easy from the keypad.
  • Factory Reset Combination for solving lost combinations without requiring expensive service calls.
  • Two 9V-DC batteries in the keypad housing can be changed easily.
  • Electronics are encapsulated within the lock and are sealed to prevent possible moisture related failures.
  • Cable fits through a 1/2" spindle hole without cutting and re-crimping connector.
  • Audible beep and flash from every keystroke gives maximum feedback to the user.
  • New industrial “Soft Touch” membrane keypad is tough yet requires very low activation pressure.
  • 15 minute Penalty Lockout after four incorrect entries protects against manipulation attempts.
  • New patented dead-latched lock design with an internal relock device for maximum security.
  • Lock “auto-locks” when boltwork is thrown to prevent safes from being left in a day lock position.
  • Optional internal battery pack extends operation between battery changes.
  • Slam Bolt version for locker applications.


Additional Features:

  • Time Delay Mode: Delays can be set from 1 to 99 minutes. Open period can be set from 1 to 9 minutes.
  • Multiple User Mode: When enabled, one Master code and eight user codes are available with full supervisory control and code management.
  • Dual Control Mode: When enabled, the lock requires two combinations to open for added security.
  • Armored Car Override: When enabled, allows an armored car service to bypass Time Delay.
  • External A/C Power: Provides power for unlimited use with battery power as backup.
  • Control Port: Turn the ESL20 on/off with an Access Manager, Alarm System or
    other device.

Optional Expansion Modules:
Provides these additional capabilities on the ESL20:

  • Duress (Silent Signal) Alarm Output. Provides relay output for alarm system connection.
  • External connection for A/C power transformer on ESL20 and ESL10.
  • External connection for control port.
  • Provides for connection of one or two ESL20 locks.

All the ESL20 features are programmed from the keypad. The Expansion Modules provide convenient screw term-inal and slip spade connections for field wiring by the installer.

A/C Power can be connected to the ESL20 and ESL10 lock (with the ESLAC kit) or an Expansion Module (with the ESLTFMR kit). Wiring, conduit and attachment hardware is provided with all optional kits.

Installed Options / Retrofit Kits

Model Description Primary Lock
Part No.*
Aux. Lock
Part No.**
Retrofit Kit
Part No.
ESL10 ESL10 Standard Lock 4505317 4505317A 0615226
ESL10S ESL10 Slam bolt Lock 4505318 4505318A 0615227
ESL20 ESL20 Standard Lock 4505319 4505319A 0615228
ESL20S ESL20 Slam Bolt Lock 4505320 4505320A 0615229
ESLBAT Auxiliary Battery Pack for ESL10 or ESL20 4505321   0615230
ESL20EXP1 Expansion Module Kit for 1 ESL20 Lock 4505322   0615231
ESL20EXP2 Expansion Module Kit for 2 ESL20 Locks 4505323   0615232
ESL20EXP3 Expansion Kit, Duress Only 4505350   0615312
ESLAC A/C Power Kit for ESL20 or ESL10 4505324   0615233
ESLTFMR A/C Transformer for ESL20EXP 1/2 4505325   0635080
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