pushbutton switch (LA139S- (11, 11X, 11M, 11ZS))

This series of pushbutton switches and indicators are used for automation and signals in control circuits below AC250V, DC110V with frequencies of 50Hz or 60 Hz
The functions and features:
1) The diameter of the installation hole of the series pushbutton: 16mm
2) Use either the gold-clad silver contact or silver contact
3) The front shape: round (F18mm), rectangular (18 x 24mm), square (18 x 18mm)
4) Many types are available: pilot lamps, pushbuttons, illuminated pushbuttons,
  selector switches, and key lock switches
5) IP protective degree: IP40, IP65, IP67
6) The front color: red (R), green (G), yellow (Y), amber (A), blue (BL), white (W), black
  (B)
8) The black cover can't be used with the illuminated pushbuttons