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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NOTICE: Not available!
• NC/NO contact combination
• Despite the similarity with pushbutton NDT, this is a different device design with restricted lift.

Ordering details
NOTICE: Not available! (Replacement: -)
Product type descriptionNDT2KHTGN
Article number101181275
EAN Code
Approval BG
Global Properties
Permanent lightNDT2 - Short-travel key
StandardsIEC/EN 60947-1, EN 60947-5-1
Compliance with the Directives (Y/N) No
VersionsKeyboard contact block, Make RAFI Type RF 19
Suitable for safety functions (Y/N)No
Mounting positionarbitrarily
- Material of the bellowsSilicone
- Material of the front ringABS, Chromium-plated
DesignShort-travel key - Front plate mounting
- Colour of the operating element green
- Colour of the bellows White
- Colour of the front ring Silver
Can be illuminated (Y/N)No
Mechanical data
Connection typeScrew connection
Cable section
- Min. Cable section0,14 rigid
0,14 flexible
- Max. Cable section1.5 rigid
1 flexible
Mechanical life1.000.000 operations
Actuating force15 N
Actuating stroke2
Bounce duration< 5
Latching (Y/N)No
Unlocking typewithout
Probing possible (Y/N)Yes
mounting flange available (Y/N)Yes
Front plate thickness
- min. front plate thickness1.5
- max. front plate thickness6
Tightening torque for fixing screws0,6
Ambient conditions
Ambient temperature
- Min. environmental temperature−25
- Max. environmental temperature+70
Storage and transport temperature
- Min. Storage and transport temperature
- Max. Storage and transport temperature
Fully insulated (Y/N)Yes
Sealing typemembrane, lip seal, Form seals
Protection type IPIP67, IP69K
Electrical data
Design of control elementNormally open contact (NO), Opener (NC)
Number of shutters1
Number of openers1
contact resistance
- in new state0,1
- duration of life3
Switching voltagemax. 50 V
min. 3 V
Switching currentmax. 260 mA
min. 0,1 mA
Switching capacitymax. 12.5 W
LED switching conditions display
With integrated LED (Y/N)No
- Height11 mm
- Mounting depth39
- Diameter of the front ringØ 44.5
- Diameter of touch surfaceØ 27
- Hole, diameter22.3 + 0,4
Spacing50 x 50
Included in delivery
noticeComplete delivery consisting of device head and keyboard contact block with mounting flange.

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 15.09.2019 - 20:47:41h Kasbase 3.3.0.F.64I