DL(F)1-EX

Universal device (EX-version) for single-leaf doors

The door interlocks of DL(F)1-EX type are suitable for the application in explosive atmosphere and are used for locking and monitoring lift doors. The variability allows adaptation to different operating conditions.

381_tv_schutzart_dlf1-ex-x15u-10_isometrisch

382_tv_schutzart_dlf1-ex-x15u-10_frontal

Features:

general:

metal housing with high stability
silent due to buffers in both directions
maintenance-free by permanent lubrication with high quality lubricants (up to -20 °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-EX for the use in passenger lifts
extensive range of accessories

special features:

explosion-protected version
water protection (IP65) of the electrical contacts, regardless of the installation position
stainless steel cover instead of plastic cover
2 m connection cable in standard
optional: auxiliary switch
optional: latch bolt chromed or made of stainless steel
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

Order information codes:

Technical data:

norms	EN 81-20, EN 81-50, EN 81-21, EN 60947-5-1 EN 60079-0, EN 60079-1, EN 60079-31, EN ISO 80079-36
certificates: door interlockswitch for locking mechanism auxiliary switch	EU-DL 415 (DLF1-EX) and EU-DL 416 (DL1-EX) UK-DL 415 (DLF1-EX) and UK-DL 416 (DL1-EX) PTB 03 ATEX 1068 X IECEx PTB 06.0053X EPS 14 ATEX 1766 X IECEx EPS 14.0092X
EX-marking:
door interlock	not applicable
switch for locking mechanism	ATEX EX II 2G Ex db IIC T6 / T5 Gb EX II 2D Ex tb IIIC T80°C / T95°C Db IECEx EX db IIC T6 / T5 Gb EX tb IIIC T80°C / T95°C Db
auxiliary switch	ATEX EX II 2G Ex d IIC T6 / T5 Gb EX II 2D Ex tb IIIC T80°C / T95°C Db IECEx EX d IIC T6 / T5 Gb EX db IIC T6 / T5
switching capacity: switch for locking mechanism auxiliary switch .9/01	Ui = 250 V Ith = 6 A Uimp = 4 kV AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 0.25 A AC-15: Ue = 250 V Ie = 2 A DC-13: Ue = 250 V Ie = 0.15 A
short-circuit capacity	T 10 A F 16 A
contact material	silver-nickel (minimum load 24 V, 10 mA )
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: switch for locking mechanism auxiliary switch .9/01	Ui = 250 V Ith = 6 A Uimp = 4 kV 2 m connection cable H05VV-F, 4 x 0.75 mm² (10 m as option) 3 m connection cable H05VV-F, 2 x 0.75 mm² (10 m as option)
level of protection	IP65 (auxiliary switch IP66; housing of mechanical parts IP40)
ambient air temperature	-10 °C up to +65 °C
weight	900 g to 1050 g (according to version)