Operating instructions
Protect PV.500/630-MH - Operating Instructions
Page 10 of 45 8000043212 BAL
4.5 Low-Voltage Main Distributor
The low-voltage main distributor (LVMD) is located on the right-
hand side of the metal housing.
1 2 3 4 5
6 7
Figure 3 - Low-voltage main distributor PV.630-MH
1 Ethernet connection
2 Power supplies
3 Additional emergency shutdown
equipment
4 Modbus connection
5 Load interrupter switch Q26.n
6 AC connections to
transformer
7 PE conductor
The LVMD must always be kept closed during operation.
Item
Connection Circuit Note
1
X93
Ethernet 4 x 2 AWG 23/1
2
X11
AC power supply NYM-J 3 x 1.5 mm
2
2
X13
AC auxiliary current
(max. 400 W)
NYM-J 3 x 1.5 mm
2
3
X33:1-2
System stop NYM-J 3 x 1.5 mm
2
3
X33:3-4
Emergency off button NYM-J 3 x 1.5 mm
2
4 X91
Modbus
Li2YCYv
4 x 2 x 0.5 mm
2
6
X26: U,V,W
AC power connection max. 3 x 150 mm
2
7
PE
Earth connection 120 mm
2
X41:1L+, 1L-
to
X41:8L+, 8L-
DC connections
(in PV.500/630)
max. 185 mm
2
Table 3 - Connection terminals, MH (example)
Further equipment specifications can be found in the Operating Instructions
Protect PV.500 or PV.6x0/8x0-ID.