WIKA FLS Serie Betriebsanleitung Seite 10

3.7 Labelling, safety markings
Product label (examples)
1 - Model, designation
2 - Instrument code
3 - L1 ... Ln: Switch point specification in mm
4 - Article number
5 - Switching power
6 - Ingress protection per IEC/EN 60529
7 - Tag number
8 - Serial number
Symbols
10
Before mounting and commissioning the instrument,
ensure you read the operating instructions!
Operating instructions, float switch, model FLS