JUMO NESOS Serie Notice De Mise En Service page 42

6 Installation
Explosion-proof version
Ex i
Ex d
According to chapter 6.1 "Electrical connection", Page 14, the safety device (F) must be selected.
16
e.g. AC 230 V
Ex i isolating switch amplifier
IN
S
e.g. AC/DC 24 to 230 V
OUT