Digital Vault Lock


S&G’s Digital Vault Lock combines the proven durability and attack resistance of our vault lock body with a convenient digital interface.

SKU: 6550-121 Categories: , Tags: ,


S&G’s Digital Vault Lock combines attack-resistant construction with a convenient digital interface for flexible access control. Powered by our Model 3029 lock, the Digital Vault Lock’s heavy-duty construction resists vibration, bouncing, and punching attacks.

Manage schedules through a user-friendly online interface, download up to 1,000 audit events through a built-in USB port, and easily program access from the keypad using our large digital screen.

Product Features


UL-Listed Type 1*

RoHS Compliant*


*Certifications apply to the 3029 lock body powering the unit.


Three modes of operation: single control, dual control, manager/employee.

100 codes available: programmer, manager, user.

Management reset code.

Time delay override code.

USB audit: download, store, and email 1,000 date- and time-stamped events.

Configurable manual security (0,0,#) functionality.

Same mounting footprint as S&G 6400 Series and 6500 Series mechanical locks.

Four opening windows per day.

Up to 100 users.

Up to 30 holiday schedules.

Daylight Savings Time feature.

Same mounting footprint as S&G 6400 Series and 6500 Series mechanical locks.

Time delay 1-99 minutes.

Penalty lockout.

Bolt position indicator.

Same mounting footprint as S&G 6400 Series and 6500 Series mechanical locks.

Optional Modules

Duress/silent alarm.


Digital keypad with display.

Bright chrome finish.


Two-year limited warranty from date of shipment.

Product Options

Square Bolt



High-security applications.

Designed for direct boltwork attachment.

Gear-drive push/pull construction.

Motor retracts lock bolt.

Motor automatically relocks and deadlocks when safe bolt work is extended or with keypad input.

Square lock bolt has drilled and tapped holes.

Push/pull strength of 2.3 lbs. (10 newton) with maximum load 5.5 lbs. (25 newton).

Field Changeable Roller Bolt

Opens to provide a path into the lock case for a snubber bar in indirect drive applications.

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Compare Clear
Number of Codes
Dual Control
Time Delay (in minutes)
Centrally Controlled
EMP Resistant
Audit Capability
Number of Audit Events
Smartphone Compatible
Number of Wheels
False Gates
Wheel Case Material

Documents & Specs

Digital Vault Lock Sell Sheet




Retrieve the Audit Trail

Part Numbers

Part Number Type Lock Body Type Keypad Keypad Finish
6550-121 Kit Square Bolt Digital with Display Bright Chrome
3103-095 Software USB Audit Trail Software
Digital Vault Lock Part Numbers (.xls)