Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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Door locking devices  ->  AV 28  ->  AV 28LX20U 45 GR.N
• left-hand model
• for 2-leaf doors
• without Fail-safe locking system
• Metal enclosure
• for elevator plants without passenger transportation
• Manual release by means of M5 triangular key

Ordering details
Product type descriptionAV 28LX20U 45 GR.N - Ordering suffix
Article number101087277
EAN Code4030661009353
Approval TÜV
Global Properties
Permanent lightAV 28
StandardsEN 81-20, EN 81-50
Compliance with the Directives (Y/N) Yes
Suitable for safety functions (Y/N)Yes
Mountingrear-side mounting holes
Number of door leafs2
- Material of the housingslight alloy die-casting
- Material of the contactsSilver
- Locking bolt materialBrass
Latching bolt bevelling45 bottom
Mechanical data
Cable entrywithout cable gland
Design of actuating elementPull strap
Orientation / Alignmentleft-hand model
With fail-safe locking system (Y/N)No
Manual release (Y/N)Yes
Ambient conditions
Ambient temperature
- Min. environmental temperature−15
- Max. environmental temperature+70
Protection classIP20
Electrical data
Design of control elementOpener (NC)
Switching principleSlow action
- positive break NC contact
Number of auxiliary contacts0
Number of safety contacts2
Rated impulse withstand voltage6
Rated insulation voltage400
Thermal test current10 A
Utilisation categoryAC-15: 230 V / 2 A,
DC-13: 200 V / 2 A
Max. fuse rating6 A (slow blow)
- Width285
- Height80
- Depth36
Dimensions of the latching bolt
- Diameter of the latching bolt18
- X-dimension of the latching bolt20
noticeX-dimension of the latching bolt:
The overall latching bolt length is the result of the prescribed insertion depth of the latching bolt into the door leaf of 21 mm and the X-dimension. The X-dimension is the distance between the enclosure bottom of the door locking and the door top.
noticeManual release using triangular key M5 available as accessory
Ordering suffix
The applicable ordering suffix is added at the end of the part number of the safety switch.
Order example: AV 28LX20U 45 GR.N-K
...-K The auxiliary contact K shows the top position of the switch. This enables detecting which guard is unlocked. It is always the top contact.

...-GB215 additional front-side M8 mounting holes

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 20.08.2019 - 17:59:30h Kasbase 3.3.0.F.64I