Briton 5440 DIN Mortice Latch

The Briton 5440 is a high-quality DIN-standard mortice latch designed for use on commercial and residential doors with lever furniture where locking is not required. It features a robust, silver-finished lockcase and a high-grade 304 stainless steel forend with a satin finish, ensuring both durability and a clean, modern aesthetic.

Designed with versatility in mind, the latch bolt is quickly reversible, allowing for easy on-site handing on both left and right-handed doors without the need to dismantle the lockcase. The single-piece square forend simplifies door preparation, making installation straightforward. Additionally, the Briton 5440 is certified to BS EN 12209:2003 standards and is suitable for use on fire doors when paired with an appropriate door closer.

Technical Specifications

• Backset: 60mm
• Case Depth: 93mm
• Case Height: 165mm
• Forend Length: 235mm
• Forend Width: 20mm
• Forend Style: Square
• Finish: Satin Stainless Steel (Grade 304)
• Standards: BS EN 12209:2003
• Guarantee: 5 Year

Key Features

• Quickly Reversible Latch: Easily handed on-site for left or right-handed doors without dismantling the lockcase.
• Single-Piece Forend: Grade 304 stainless steel construction simplifies door preparation and installation.
• Non-Locking Application: Ideal for doors with lever furniture where locking is not required.
• Fire Door Suitable: Approved for use on fire doors when fitted with a suitable door closer.
• 5-Year Guarantee: Backed by a manufacturer's guarantee for peace of mind.