DL(F)1

with extended range of applications

All-purpose door interlock for single-leaf doors, which can be adapted individually by several configurations and adaptation possibilities. The connecting terminals for the switch for locking mechanism, door and auxiliary switches are easily accessible on a terminal block and can be connected comfortably.

DLF1-L-X15(u).10

121_tv_standard_dlf1-x15u-10_isometrisch-7

DLF1-L-X15(u).10

Dimensions DLF1-R-X20(u).10

DLF1-L-X15(u).10

Dimensions DLF1-R-X20(u).10

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 DLF1 for use in passenger lifts
contacts with solid fine silver plating for a reliable function even at low voltages and currents
extensive range of accessories

special features:

terminal block with all electrical connections
optional: auxiliary switch
as normally closed contact and/or normally open contact, with two galvanically isolated contacts
with positively driven contacts
with different switching points
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)

Order information codes:

Technical data:

norms	EN 81-20, EN 81-50, EN 60947-5-1
certificates	type approval certificate: EU-DL 013 (DLF1) and EU-DL 015 (DL1) UK-DL 013 (DLF1) and UK-DL 015 (DL1)
switching capacity: switch for locking mechanism monitoring switch auxiliary switch .9/…	Ui = 250 V Ith = 10 A Uimp = 4 kV AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 2 A AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 0.5 A 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 torque (typical) actuation force (typical) max. force in non-operating state	1.5 Nm at the roller lever 40 N at the pull rod 17.5 N at the roller lever (at 35 mm stroke) 5 N at the pull rod
connection	by screw terminal max. 2.5 mm² cable entry Ø = 23 mm with rubber grommet
level of protection	IP40 (IP20 at .60 and .70)
ambient air temperature	-10 °C up to +65 °C (special version up to -30 °C)
weight	850 g up to 1100 g (according to version)