product manual DVS74
Copyright
DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg
Kopien nur mit Erlaubnis der DZG
22.02.2019
Page 13 / 38
4.2
Installation
The connection diagram printed on the housing needs to be considered connecting the meter to the
mains power.
Figure 5 Connection diagram
Terminals
Label
Terminals
Ø[mm]
Terminal screws
Tightening torque
M [Nm]
L1
1, 3
9,5
M6 Pozidrive PZ2
M
min
> 3,0 Nm
M
max
< 6,0 Nm
L2
4, 6
L3
7, 9
N
10, 12
N (auxiliary)
11
3,2
M3
M < 2 Nm
Auxiliary Terminals
Auxiliary Voltage L3
8
2,7
M3
0,5 – 0,6 Nm
Auxiliary Voltage N
11
Tariff control
13
Tariff control
15
Table 5 Terminal block
Warning
The requirements of the netprovider needs to be fullfilled.
Selective hedges has to be used according requirements of the netproviders.
Attention!
Damage of the terminals due to high torque
The specified maximum torques must not be exceeded !
Ensure that the connected lines are fixed with the needed torque compliant to EN
60999 for a safe connection. The needed torque depends on the type of used lines and
the maximum current.