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.
Door interlock DLF1-EX-L-X15(u).10
Door interlock DLF1-EX-L-X15(u).10
Dimensions DLF1-EX-R-X20(u).10
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) |
