Standard Door Lock - DLF1-7 & DL1-6

Product Code: DLF1-7

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Product Description

DLF1/7 + DL1/6

Standard device for single swing landing doors. The basic device for single-leaf doors covers the most common applications. The integrated contact holder insert with contact for locking mechanism and optional auxiliary switches enables a clean and safe wiring. The device can be supplemented by an adjustable door switch for monitoring the closed position.

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: DLF1/7-L-X55(U).10.6.9/01



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 dirt and dust (at X-dimension = 10 mm)
Constrained faulty closure at DLF1/7 for use in passenger lifts
Contacts with solid fine silver plating for a reliable function even at low voltages and currents
Auxiliary switch as normally closed contact and/or normally open contact with two Galvanically isolated contacts possible
Extensive range of accessories

Special Features:

Contact holder insert with switch for locking mechanism and double auxiliary switch as option
Optional: adjustable door switch for monitoring the closing position (PZ73)
Comfortable wiring by large terminal compartment
Terminals with pressure plate for the connection of two lines
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 (TV1, TVL1)


Norms EN 81-20, EN 81-50, EN 60947-5-1
Certificates type approval certificate:
EU-DL 013 (DLF1/7) and EU-DL 015 (DL1/6)
UL-certificate 20141104-SA34041 (DLF1/7-UL)
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 torque (typical) 1.5 Nm at the roller lever
Actuation force (typical) 40 N at the pull rod 17.5 N at the roller lever (at 35 mm stroke)
Max. force in non-operating state 5 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 850 g to 1100 g (according to version)

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