Introduction
This manual provides essential information for the safe and efficient use of your SentrySafe Depository Safe, Model UC-039K. This safe is designed to protect cash, receipts, deposit slips, keys, and other valuables against theft, making it ideal for businesses requiring secure cash handling.
Key Features
- Dual Key Lock System: Requires two keys for access, enhancing security.
- Steel Drop Slot: Allows for quick and secure deposits without opening the main door.
- Anti-Fish Hopper: Prevents removal of deposited items through the slot.
- Solid Steel Construction: Provides durability and resistance against tampering.
- Pre-drilled Anchor Hole: For secure bolt-down installation (hardware included).
- Compact Design: Exterior dimensions of 12" H x 8" W x 10.3" D, with a 0.38 cubic feet capacity.
Setup
Unpacking
Carefully remove the safe from its packaging. Inspect for any damage. Retain all packaging materials until you are satisfied with the product.
Initial Key Use
Your SentrySafe UC-039K comes with two sets of keys. Both keys are required to open the safe.
- Insert the first key into the upper lock.
- Insert the second key into the lower lock.
- Turn both keys simultaneously to unlock the safe door.
- Open the door and remove any internal packaging or accessories.
Mounting the Safe (Bolt Down)
For enhanced security, it is recommended to bolt the safe to a secure surface. A bolt-down kit is included.

Description: A close-up image of a large hexagonal bolt and a flat washer, representing the bolt-down kit for securing the safe.
- Choose a suitable location for the safe, preferably on a solid surface like concrete or a sturdy wooden floor.
- Open the safe door and locate the pre-drilled anchor holes on the bottom interior.
- Mark the drilling points on the floor through the anchor holes.
- Drill pilot holes into the floor using an appropriate drill bit for your surface type.
- Position the safe over the drilled holes.
- Insert the provided bolts through the safe's anchor holes and into the floor.
- Tighten the bolts securely to firmly anchor the safe.
Operating Instructions
Depositing Items
The safe features a steel drop slot for convenient deposits without needing to open the main door.
- Place cash, envelopes, or small documents into the drop slot located at the top of the safe.
- Ensure items fall completely into the safe's interior. The anti-fish hopper mechanism prevents items from being retrieved through the slot.
Opening the Safe
To access the contents of the safe, both keys are required.
- Insert the first key into the upper lock and the second key into the lower lock.
- Turn both keys simultaneously to the unlock position.
- Pull the safe door open.
Closing and Locking the Safe
- Close the safe door firmly.
- Turn both keys simultaneously to the lock position.
- Remove both keys. Ensure the door is securely latched by attempting to pull it open.
Maintenance
General Care
- Keep the safe clean by wiping it with a soft, dry cloth. Avoid abrasive cleaners.
- Do not lubricate the lock mechanisms with oil or grease, as this can attract dust and cause malfunctions.
- Store spare keys in a secure location away from the safe.
Troubleshooting
Difficulty Opening the Safe
- Ensure both keys are fully inserted and turned simultaneously.
- Check if the keys are bent or damaged. If so, contact customer support for replacements.
- Verify that you are using the correct keys for this specific safe model.
Items Not Falling into Safe After Deposit
- Ensure items are not too large or bulky for the drop slot.
- Gently push items completely through the slot. The anti-fish mechanism might create slight resistance.
Specifications

Description: A diagram illustrating the exterior and interior dimensions of the SentrySafe Depository Safe. Exterior: 12 inches H, 10.3 inches D, 8 inches W. Interior: 10 inches H, 8.5 inches D, 7.8 inches W. Capacity: 0.38 cubic feet. Weight: 29.000 lbs.
| Feature | Detail |
|---|---|
| Model | UC-039K |
| Brand | SentrySafe |
| Lock Type | Dual Key |
| Exterior Dimensions (H x W x D) | 12" x 8" x 10.3" |
| Interior Dimensions (H x W x D) | 10" x 7.8" x 8.5" |
| Capacity | 0.38 Cubic Feet |
| Material | Alloy Steel |
| Color | Grey |
| Item Weight | 33.9 pounds |
| Mounting Type | Freestanding, Tabletop (Bolt Down Capable) |
| Included Components | Depository Safe, 2 sets of keys, Bolt Down Kit |
| Water Resistance | Not Water Resistant |
Warranty and Support
Warranty Information
This SentrySafe product comes with a Limited Lifetime Warranty. Please refer to the warranty card included with your purchase for full terms and conditions, or visit the official SentrySafe website for details.
Customer Support
For technical assistance, replacement parts, or warranty claims, please contact SentrySafe customer support. Contact information can typically be found on the manufacturer's website or in the product packaging.
Product Media
Product Overview Video
Description: A video demonstrating the features of the SentrySafe Depository Safe, including the dual key lock system, drop slot, and robust construction.
Additional Images

Description: A front view of the SentrySafe Depository Safe, highlighting the drop slot where cash can be inserted.

Description: A wider shot showing the SentrySafe Depository Safe in a business environment, with a person making a deposit, emphasizing its use for secure cash handling.

Description: A close-up image focusing on the SentrySafe brand logo prominently displayed on the safe's door.

Description: A banner image featuring the SentrySafe logo and the tagline "Creating Peace of Mind for a Lifetime," with a background image of an adult and child.





