UNION C-Series 3G114 5 Lever Deadlock

The UNION C-Series 3G114 5 Lever Deadlock, formerly known as the iconic Chubb 3G114, is a highly reliable mortice deadlock designed for timber doors. Offering robust security, this non-handed lock is suitable for doors up to 50mm thick and can be operated by key from either side. It is assessed to EN1634-1 for use on 60-minute timber fire doors, making it an excellent choice for both residential and commercial applications.

This deadlock features advanced security measures, including anti-pick, anti-saw, and anti-drill protection, alongside a 14mm deadbolt with hardened steel rollers to resist forced entry. It comes complete with matching escutcheons to provide a clean, professional finish.

Please choose your preferred configuration from the options below. This lock is available in multiple backsets (40mm or 53mm) and corresponding case depths (67mm or 80mm). You can also select between Polished Brass and Satin Chrome finishes, as well as single packs or bulk packs of 20 to suit your project requirements.

Technical Specifications

• Mechanism: 5 Lever
• Backset: 40mm or 53mm (please select from the options below)
• Case Depth: 67mm or 80mm (please select from the options below)
• Case Height: 76mm
• Forend Dimensions: 133mm (Length) x 25mm (Width)
• Deadbolt Throw: 14mm (with hardened steel rollers)
• Door Thickness: Suitable for timber doors up to 50mm thick
• Fire Rating: Assessed to EN1634-1 for 60-minute timber fire doors
• Keys Supplied: 2 keys
• Finishes Available: Polished Brass or Satin Chrome (please select from the options below)
• Pack Quantity: Available as a single unit or a pack of 20 (please select from the options below)

Key Features

• Trusted Heritage: Formerly branded as Chubb, offering proven long-term reliability and security.
• Robust Security: Features anti-pick, anti-saw, and anti-drill protection to resist physical attacks.
• Fire Door Approved: Certified under EN1634-1 for use on 60-minute timber fire doors.
• Complete Kit: Supplied with matching escutcheons (one plain, one with a cover plate) for a neat installation.
• Versatile Operation: Non-handed design suitable for left or right-hinged doors, operating inwardly or outwardly.
• 15-Year Guarantee: Backed by a manufacturer's 15-year guarantee for peace of mind.