Lenze EZVxx00−001 Power supply unit AC 400V 5A-20A - Manual (Page 23)

Electrical installation
24 V supply from DC−bus connection
2
EDKZV1200 DE/EN/FR/ES/IT 1.0
23
l
H1_E_INST−funktion
3 Electrical installation
24 V supply from DC−bus connection
L1
L2
L3
PE
+
+
-
-
22.5 V DC
…
28.5 V DC
U = 450 V DC … 800 V DC
G
7
EZVxx00-001
U
G
ezv1201_07−dc
Fuse 7
An additional external fuse must be connected between the power supply unit and the
controllers operated in the system (see illustration
7).
The size of the fuse is
ƒ 6 A for power supply unit AC 400 V, DC 24 V, 5 A
ƒ 10 A for power supply unit AC 400 V, DC 24 V, 10 A
ƒ 16 A for power supply unit AC 400 V, DC 24 V, 20 A
Permissible DC input voltage
The DC input voltage of the power supply unit corresponds to the DC−bus voltage V
G
of the
DC−bus connection.
The DC−bus voltage must be within the following value range:
ƒ V
G
= 450 V DC ... 800 V DC