WIKA OLS-C Series Operating Instructions Manual page 7

2. Design and function
Model OLS-C04
Cable outlet
Cable
WIKA operating instructions optoelectronic level switches, models OLS-C
(alternatively circular
connector)
Function indicator
LED
Glass prism
Model OLS-C05
(alternatively cable
connection or
circular connector)
SW 30
Angular connector
EN 175301-803 A
Glass prism
7
EN