4828 | 4838
Heavy duty mortice lock with anti-thrust latch
Product profile
Passage lock for offices, government and airport buildings, for entrance and exit doors. Lock must not be used in combination with electric strikes.
Standard version
With latch withdrawal
Backset 60 mm
Centres 72 mm for 4828 profilecylinder
Centres 74 mm for 4838 round cylinder
Forend 235x25 mm, rectangular (48..)
Forend satin stainless steel
Clamp follower 8 mm = 4828 or 4838
Clamp follower 9 mm = 4828N or 4838N
Anti-friction lever latch
Anti-thrust latch with control bolt
Standards
Firetested by BRE up to 4 hours
EN 1634-1: El 90'
EN 12209: 3X510F-HA30
b
v
i
Downloads
Product information
Product data sheetApprovals & Certificates
Declaration of performance