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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• Key - Selector switch / Selector switch
• Version with high-grade cylinder lock therefore here also IP65

Ordering details
Product type descriptionSWT20
Article numberSWT20
EAN Code
noticeCan only be ordered in conjunction with the "BDF" operating panel
Global Properties
Permanent lightSchlüssel - Wahltaster SW20
- Material of the contactsAg-Ni 10, 0,2 µm gold flashed
- Material of the operatorsPlastic
- Colour of the operating elementanthracite
Position control panelPosition 2, 3
Mechanical data
Mechanical life1.000.000 operations
Switching frequency1200
Actuating force8 N
Actuating stroke3
restistance to shock100 g / 6 ms
resistant to vibration20 g, 10 … 200 HZ
Bounce duration< 2 ms at 100 mm/s Actuating speed
Touch positionright
automatic return to the zero positionYes
Latching positionNone
Positive break force1 / Contact
Ambient conditions
Protection class
Switching element protection classIP65
Electrical data
Design of control element1 Normally open contact (NO)
Rated insulation voltage Ui60 V
Rated operating voltage Ue
- Max. Rated operating voltage24
Thermal test current Ithe2.5 A
Utilisation categoryAC-15: 24 V / 2 A,
DC-13: 24 V / 1 A
Max. fuse rating2.5 A
Switching of low voltages1 mA / 5 V

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 24.08.2019 - 15:32:23h Kasbase 3.3.0.F.64I