Description
Product Overview
Introducing the Briton 5440 upright mortice latch, designed for seamless operation with lever furniture. This latch features a backset of 60mm and is available in both radius and square forend options, making it versatile for various door styles.
Fire Safety Compliance
The Briton 5440 has been rigorously fire tested to EN 1634 standards, achieving a remarkable 90-minute fire rating for timber doors and up to 4 hours for metal doors. To maintain the integrity of timber fire doors, it is essential to install this lock alongside intumescent protection.
Product Specifications
- Latch Operation: Withdrawn by handle
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Case Dimensions:
- Height: 165mm
- Width: 93mm
- Faceplate Size: 235mm x 20mm
- Forend Screw Centres: 210mm
- Backset: 60mm
- Latch Throw: 11mm
- Follower Size: 8mm
- Escutcheon Screw Centres: 38mm - 41mm
- Fire Rating: 90 minutes for timber doors; 4 hours for metal doors
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Certifications:
- CE Marked to EN 12209 (2812-CPR-AG0018)
- Certifire Approved (CF741)
- UKCA Marked to EN 12209 (2812-CPR-AG7626)
- Environmental Compliance: Environmental Product Declaration in accordance with ISO 14025 and EN 15804
- Accessibility Compliance: Assists in fulfilling duties under DDA legislation
- Packaging: Supplied in singles
This latch is an excellent choice for ensuring both security and safety in your building projects.