KROHNE UFM 530 HT EN - Manual (Page 20)

4
ELECTRICAL CONNECTIONS
20
UFM 530 HT
www.krohne.com 12/2013 - 4002393201- HB UFM 530 HT R02 en
Before the cables can be fastened to the power supply terminal, the rear (blind) cover has to be
removed.
Figure 4-1: Terminals for power supply
Item number Function Specification
1 Neutral power supply.
2 Life power supply. Mains voltage AC supply: 100 VAC < U < 240 VAC (-15%, +10%),
SELV AC/DC supply: 24 VDC (-25%, +33%), 24 VAC (-10%,
+15%).
3 Reserved ground
connection. Not for protective earthing.
4 Protective ground
connection (PE),
Functional ground
connection (FE). Protective conductor clamp terminal. Conductors up to
4 mm
2 (11 AWG) need to be connected to this terminal.