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CHU3G114080PB
Union 3G114E 5 Lever Deadlock 80mm Brass BS3621 (Chubb At Heart)
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Union (Chubb At Heart) B-3G114E 80mm Brass 5 Lever Bs 3K Deadlock Door Lock
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| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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£75.00
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£62.50
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Description
Union 3G114E 5 Lever Deadlock 80mm Brass BS3621 (Chubb At Heart)
Securing your premises requires hardware that balances robust engineering with reliable performance. The Union 3G114E 5 Lever Deadlock 80mm Brass BS3621 represents a pinnacle of locking technology, drawing on a legacy of security excellence often recognised by the Chubb at Heart heritage. This mortice lock is engineered to provide an uncompromising barrier against unauthorised entry, making it a preferred choice for homeowners and facility managers who demand the highest standards of safety.
When you choose this locking mechanism, you are investing in a product that has been rigorously tested to meet the stringent requirements of BS3621 standards. It carries the Secured by Design accreditation, which signifies that the design has been vetted by the Police to ensure it effectively deters opportunistic intruders. This level of certification is frequently a requirement for home insurance policies, providing you with peace of mind knowing that your property is protected by industry-leading hardware.
Robust Mechanical Engineering and Structural Integrity
The core strength of this deadlock lies in its sophisticated internal lever mechanism. Unlike basic locks, the five lever system ensures a high number of possible key combinations, which makes picking the lock an exceptionally difficult task for any unauthorised individual. The housing is constructed from high-quality steel with a durable silver powder coat, while the visible components feature a polished brass finish that maintains its aesthetic appeal over many years of service.
Mechanical physics dictates that a lock is only as strong as its weakest component. This model addresses this by integrating hardened steel rollers within the brass deadbolt. These rollers are designed to rotate under attack, effectively defeating saw blades and other mechanical cutting tools that might otherwise compromise the integrity of the bolt. By spreading the force of an impact across the hardened surface, the device prevents the shearing that often leads to failure in inferior locking systems.
Operational Workflow and User Interaction
Operating this hardware is a seamless experience designed for daily reliability. When you insert the key into the escutcheon, you engage the internal levers, which align to allow the bolt to retract or extend. The smooth action is a result of precision manufacturing, where every internal part is calibrated to function without excessive friction or binding. Users will notice a satisfying, solid engagement as the bolt reaches its fully extended position of 20mm, providing a clear tactile indicator that the door is securely locked.
To lock the door, the user simply turns the key from either side of the door, allowing the bolt to throw into the box strike. This dual-sided operation ensures that you are never trapped on one side of a door during an emergency, provided the key is accessible. The inclusion of three keys as standard means that you can immediately distribute access to family members or staff without the need for an initial trip to a locksmith. The design allows for simple maintenance, as the brass finish resists corrosion, ensuring the key turns smoothly even after years of exposure to changing environmental conditions.
Ergonomics and Safety Compliance
Beyond the primary objective of security, this product is designed with the user in mind. The ergonomic shape of the keys ensures that they are easy to grip, even for those with limited dexterity, reducing the physical strain associated with operating stiff or poorly designed locks. By choosing a high-quality mortice deadlock, you are also ensuring compliance with fire safety and insurance regulations. Insurance companies often mandate the use of BS3621 locks because they have been proven to withstand specific periods of physical attack, which significantly reduces the risk of successful burglary.
Using this equipment correctly means your doors remain tightly sealed, which also contributes to better thermal efficiency and noise reduction. A loose or poorly fitting lock can lead to air draughts and vibration, but the precision-engineered strike plate and faceplate included with this set ensure a tight, rattle-free fit. This attention to detail promotes a safer, more stable environment for your home or commercial space, preventing the micro-movements that can cause long-term wear to the door frame itself.
Commercial ROI and Long Term Asset Protection
Investing in premium security hardware is a sound financial decision for any property owner. While cheaper alternatives might seem attractive in the short term, they frequently require replacement due to mechanical fatigue or finish degradation. The 25-year guarantee provided with this lock highlights the manufacturer's confidence in its longevity. By minimizing the frequency of replacements and the potential for security-related losses, the total cost of ownership for this unit is remarkably low.
Furthermore, protecting your assets goes beyond the physical items stored inside a room. It involves reducing the administrative overhead of managing lost keys, broken locks, or insurance claims that arise from inadequate security. When you install this hardware, you are effectively reducing the vulnerability of your building, which can lead to lower insurance premiums over time. It is an investment in the long-term protection of your environment, ensuring that your security infrastructure remains effective for decades rather than just a few seasons.
Technical Specifications
The following table outlines the essential technical parameters for this item, ensuring it fits your specific door dimensions and requirements.
| Feature | Specification |
|---|---|
| Lock Type | 5 Lever Mortice Deadlock |
| Standards | BS3621:2007 compliant |
| Case Size | 80mm (3 inches) |
| Backset | 53mm |
| Bolt Throw | 20mm |
| Finish | Polished Brass |
| Case Material | Steel with silver powder coat |
| Security Features | Anti-drill, anti-pick, anti-saw |
| Guarantee | 25 Year Manufacturer Guarantee |
| Keys Included | 3 keys supplied |
Installation and Compatibility
This lock is designed to be versatile, making it suitable for both left-handed and right-handed timber doors. The inclusion of a square forend and matching striking plate ensures that the installation process is straightforward for a professional carpenter or a competent DIY enthusiast. Whether you are upgrading an existing door or installing a new one, this model provides the necessary components to achieve a clean, professional finish.
Not sure if this mortice lock is right for your requirements? If you are not sure if this mortice lock is right for your requirements please contact our friendly team today.
The 80mm case size is a standard dimension for many exterior and high-security interior doors, providing ample room for the internal mechanism to operate effectively within the timber. When installing, ensure that the mortice pocket is cut with precision to allow the lock case to sit flush, which is critical for both the visual appeal and the mechanical performance of the unit. Proper alignment of the strike plate is equally important to ensure that the 20mm bolt engages smoothly and maintains the structural integrity of the door frame under pressure.
By selecting this high-quality hardware, you are choosing a solution that has been refined through years of engineering refinement. From the hardened steel rollers that protect against saw attacks to the precision-cut levers that prevent manipulation, every aspect of this item is focused on delivering reliable, long-term security. It is more than just a piece of metal; it is a vital component of your building's defensive strategy, providing the peace of mind that your family or business assets are protected by the best technology available in the industry today.
We understand that choosing the right security hardware can be complex, given the variety of door types and security levels required for different applications. If you have any questions regarding the compatibility of this product with your specific door setup, or if you need advice on additional security measures to complement this installation, please reach out to our support team. We are committed to helping you make the right choice to keep your property secure.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 77 (H) x 80 (D) |
| Guarantee | 25 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Lever |
| Lock Backset | 53mm |
| Follower Size (mm) | N/A |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Dead Lock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 50 |
| Forend Finish | Polished Brass |
| Security Standards | BS3621:2007 |