BURG-WÄCHTER Diplomat MTD 740 K – High-Security Key Lock Safe

Premium burglary protection and 60-minute fire protection for your most important valuables and documents. Now at a special Steinlock sale price.

Protect what matters with the BURG-WÄCHTER Diplomat MTD 740 K, a German-engineered security safe designed for customers who want substantial protection in a compact size with the simplicity and reliability of a traditional key lock. Its combination of certified burglary resistance, tested fire protection, and convenient mechanical key access makes it a strong choice for home offices, professional offices, and other settings where important documents and valuables need secure storage.

Why Choose the MTD 740 K?

Certified burglary protection. Independently certified to Resistance Grade I under EN 1143-1, this safe is designed to provide a higher level of protection than an ordinary home security box.

60-minute fire protection for paper. Certified to EN 15659, LFS 60 P, the safe is tested to protect paper contents during the specified fire-resistance period.

High-security mechanical key lock. The SecuSafe double-bit key lock is certified to EN 1300 Class B and VdS Class 2. Its 10-lever locking mechanism offers approximately 50 million possible key combinations, providing substantial security without requiring batteries or electronic programming.

Resettable key security. If a key is lost or stolen, the SecuSafe lock can be reset to work with a new set of keys—without replacing the lock itself. Simply order a replacement key set and follow the video instructions to reset the lock using one of your original working keys. Once reset, the old keys will no longer open the safe. At least one original working key is required to perform the reset.

Reinforced construction. The armored body, extensively reinforced door, multi-sided locking bolts, and concealed hinges are designed to resist forced entry.

Organized storage. One adjustable shelf helps separate documents and valuables inside the safe.

Key Specifications

• Manufacturer: BURG-WÄCHTER
• Series: Diplomat MTD
• Model: MTD 740 K
• Lock: SecuSafe high-security mechanical double-bit key lock
• Lock certification: EN 1300 Class B; VdS Class 2
• Locking mechanism: 10-lever, resettable key lock
• Possible key combinations: Approximately 50 million
• Keys included: Two
• Burglary certification: EN 1143-1, Resistance Grade I
• Fire certification: EN 15659, LFS 60 P
• Shelves: One adjustable shelf
• Exterior dimensions: 15.0" H × 19.7" W × 18.2" D
• Interior dimensions: 10.0" H × 14.6" W × 11.8" D
• Door opening: 10.0" H × 13.3" W
• Interior volume: Approximately 1,727 cubic inches (1.0 cu. ft. / 28.3 liters)
• Weight: Approximately 203 lb (92 kg)
• Anchoring: Prepared for floor and wall anchoring; mounting hardware included

Is the MTD 740 K Right for You?

Choose this model if you want certified burglary and fire protection for everyday valuables, important paperwork, jewelry, and other items that fit within its interior.

The MTD 740 K offers the same certified burglary and fire protection as the MTD 740 E FP, but with a traditional high-security mechanical key lock instead of electronic code and fingerprint access.

Its compact footprint makes it particularly attractive for customers with limited space, while the mechanical locking system eliminates the need for batteries, electronic programming, or remembering access codes.

The included two keys provide convenient access, and the resettable SecuSafe locking mechanism offers additional security flexibility if a key is lost or stolen, provided you still have an original working key.

Before ordering, compare your largest items with the interior dimensions and door opening, and consider where the safe will be installed.

Why Buy from Steinlock?

Steinlock specializes in security products and helps customers choose the right equipment for their needs. If you are unsure whether this model offers the space or protection you require, contact us before ordering.

Take advantage of the current MTD sale and invest in certified protection for the things that matter most.

Deep Dive into the Details

The safe is manufactured in Germany to offer superior protection with certification against attack to ECB.S Grade 1 (EN 1143-1) and 60-minute fire protection according to LFS 60P (EN 15659). The high level of fire protection is achieved with FPC buildup insulation (fire protection concrete) in both the safe body and door. A special intumescent fire swell is added to the door – this seal swells in the event of a fire to seal the door to the body, preventing heat and smoke ingress and protecting valuable contents.

The safes are assembled by hand in a ISO 9001 certified facility. The door and body are manufactured and fitted together at the start of the manufacturing process and remain together through completion. The piece-by-piece construction and hand assembly ensures the highest precision, tightest fit, and best security in the business! 

High attack resistance is provided with a triple-walled, extensively armored body and a four-walled inset door with large, strong round locking bolts on all four sides of the door. Extensive reinforcement exists in front of the bolts and locking bolts. Additional armoring is added around the lock casing to prevent drilling attacks, which is further protected with a non-resettable dual emergency bolt system. Additional reinforcement is included in the special back wall construction.

Keyed Diplomat – unique, resettable lock

The keyed Diplomat has a high-security double-bit lock “SecuSafe” and offers 50 million locking possibilities. This unique, proprietary lock is made in Germany and offers greater protection over other common safe manufacturers' locks. This is not a standard lock and burglars are not familiar with its workings.  

In case of key loss: just reset the lock!

This unique lock allows you to reset itself to a new set of keys if a key is lost or stolen. Simply order a new set of keys and “reprogram” the lock using the video tutorial. The old set of keys can no longer open the safe thanks to the smart resettable lock!

• Armored high-security double-bit lock “SecuSafe”
• In case of key loss: easy-to-reset lock
• Re-keying with an existing Diplomat safe possible
• 10 levers, 50 million locking possibilities
• The key remains trapped in the lock as long as the safe is open
• VdS tested (class 2) and certified according to EN 1300 ECB•S (lock class B)
• Lock armature protrudes 3 mm
• Comes with two keys, additional keys by request

At a glance: the BURG-WÄCHTER free-standing high-security home safe Diplomat

• Resistance grade I
• Certified burglary protection according to EN 1143-1
• Certified fire protection according to EN 15659 (as of 2009)
• Fire resistance LFS 60 P: 60 minutes fire protection for paper
• Triple slim walled armored body filled with fire-protective concrete offers enhanced security while maximizing internal storage space
• Extensively armored 4 walled door with four-sided large round locking bolts and fire-activated door swell to seal the door to the body in the event of a fire
• Enclosed specially concealed hinges
• Prepared for wall and floor anchoring
• Drill, torch, and sawing protection: Double non-resettable emergency locking system activates in the event of attack, deadlocking the safe and securing the internal contents. This makes the drilling of the safe all but impossible. Specialized locksmiths with safe-specific drill bits need many hours to open the safe. Even highly motivated and skilled criminals will not stand a chance.
• Color: silver metallic, special paint upon request
• Convenient depth for common-sized files
• Diplomat MTD safe comes in four sizes
• MTD 740 w/ one adjustable shelf
• MTD 750 w/ one adjustable shelf
• MTD 760 w/ two adjustable shelves
• MTD 780 w/ two adjustable shelves
• Diplomat MTD safe available in two locking systems:
• Keyed
• Biometric (Electronic keypad/Fingerprint)

Size

Standard Size, enough to protect legal size folders. Perfect for valuables like watches, cash, hard disk drives, iPad, handgun, ammo, jewelry, access codes, car keys, and much more. Door opening of 13.3" wide and 10.1" high.

Key Features

Dimensions