Kronenberg Standard Door Lock - DLF2 & DL2
Product Code: DLF2
Product Description
DLF2 & DL2
Standard device with extended range of applications
Basic device for double-swing doors, both latch bolts in one housing. Also, this model is characterised by many combination options. Door interlocks of DL(F)2 type are installed in the door post above the door.
If you are replacing an existing old type door lock then please quote the full code on the White sticker as per PFD Document (Kronenberg Identification Label). The lock often needs to be removed for this code to be visible. Please see picture above.
Example Code: DLF2-L-X55(U).10.6.9/01
FEATURES:
General:
Metal housing with high stability
Transparent cover for optimal function control
Silent due to buffers in both directions
Maintenance-free by permanent lubrication with high quality lubricants (up to -30°C)
Oiled felt ring at latch bolt for lubrication as well as for sealing against dust and dirt (at X-dimension = 10 mm)
Constrained faulty closure at DLF2 for use in passenger lifts
Auxiliary switch as normally closed contact and/or normally open contact with two galvanically isolated contacts possible
Contacts with solid fine silver plating for a reliable function also at low voltages and currents
Extensive range of accessories
Special Features:
Two latch bolts for double-leaf doors
Terminal block with all electrical connections
Optional: separate door switches for monitoring the closing position of both door leaf’s
Reduced wiring due to internal series connection of the contacts for locking mechanism and the optional door switches
Connection for Bowden cable or cable pull for actuation or unlocking available, e.g.
application 1: unlocking from the pit ladder (< 1.80 m according to EN 81-20)
application 2: offset emergency release triangle (< 2 m according to EN 81-20)
application 3: actuation by Bowden cable as alternative to pull rod
Compatible with no longer available KRONENBERG door interlocks (TV2, TVL2)
Technical Data:
Norms EN 81-20, EN 81-50, EN 60947-5-1
Certificates type approval certificate: EU-DL 013 (DLF2) and EU-DL 015 (DL2)
Switching capacity: Ui = 250 V, Ith = 10 A, Uimp = 4 kV
Switch for locking mechanism AC-15: Ue = 230 V Ie = 2 A, DC-13: Ue = 200 V Ie = 2 A
Auxiliary switch AC-15: Ue = 230 V Ie = 2 A, DC-13: Ue = 200 V Ie = 0.5 A
Short-circuit capacity T 10 A, F 16 A
Contact material fine silver
Actuation: Actuation force (typical) 60 N at the pull rod , Max. force in non-operating state 6 N at the pull rod
Connection by screw terminal max. 2.5 mm²
Level of protection IP40 (IP20 at .6 and .7)
Ambient air temperature -10 °C up to +65 °C (special version up to -30 °C)
​Weight 1320 g to 1700 g (according to version)