Siemens SINAMICS V10 - Power Supply and Motor Connections

5.2.2 Connecting power supply to the motor
Power and motor connections
Fuse
Contactor
SINAMICS V10
3-phase AC 400V
Motor
L1
L2
L3
W
PE
PE
U
V
W
U
V
L3
L1
L2
Figure 5-15 Power and motor connections
CAUTION
Ensure that the appropriate fuses with specified current ratings are connected between the
power supply and the inverter (See table below for the type of recommended SIEMENS fuses
for different frame sizes. ). For detailed fuse specification, consult your local inverter
distributor or visit the SIEMENS website concerned.
Table 5-9 Types of SIEMENS line fuses (recommended)
Inverter variant Inverter output power rating (kW) Fuse type Fuse current rating (A)
Frame Size A 0.55 3NA3803 10
0.75 3NA3803 10
1.1 3NA3803 10
1.5 3NA3803 10
Frame Size B 2.2 3NA3805 16
3 3NA3805 16
4 3NA3807 20
Frame Size C 5.5 3NA3807 20
7.5 3NA3810 25
11 3NA3814 35
Frame Size D 15 3NA3817 40
18.5 3NA3820 50
22 3NA3822 63
Installation
5.2 Electrical installation
SINAMICS V10
Operating Instructions, 08/2011, A5E03453178 (this is not an order number) 37