WIKA OLS-C Series Operating Instructions Manual page 6

2. Design and function
Dimensions in mm
Model OLS-C01
EN
Function indicator
LED
6 WIKA operating instructions optoelectronic level switches, models OLS-C
Model OLS-C02
Circular connector
M8 x 1, 3-pin
(alternatively cable
connection)
Glass prism
Glass prism
Cable
Cable outlet
M16 x 1.5, PG11
(alternatively circular or
angular connector)