WEG SSW-07 - Standard Three-Wire Connection; Grounding Connections

CHAPTER 3 - INSTALLATION AND CONNECTION
21
English
3.2.6 Grounding
Connections
Figure 3.8 - Grounding connections for more than one Soft-Starter SSW-07
Line current of the Soft-Starter SSW-07 is equal to the motor current.
1/U1
4/U2
2/V1
5/V2
6/W2
3/W1
2/V1
5/V2
1/U1
4/U2
6/W2
3/W1
R
S
T
N
PE
R
S
T
N
PE
T
WV
S
U
R
T
W
V
S
U
R
Figure 3.7 - Soft-Starter SSW-07 with standard connection
DANGER!
The Soft-Starter must be grounded for safety purposes (PE).
The ground connection must comply with the local regulations.
Make the ground connection to a grounding bar or to the general
grounding point (resistance ≤10 ohms).
DANGER!
The AC input for the Soft-Starter SSW-07 must have a ground
connection.
DANGER!
Do not use the neutral conductor for grounding purpose. Use
dedicated ground conductor.
ATTENTION!
Do not share the ground wiring with other equipment that operate
with high current (for examples: high voltage motors, welding
machines, etc.). When several Soft-Starters SSW-07 are used,
observetheconnectionsinthegure3.8.
3.2.5.1 Standard
Three-Wire
Connection
BARRA DE ATERRAMENTO
INTERNA AO PAINEL
BARRA DE ATERRAMENTO
INTERNA AO PAINEL
GROUNDING BAR
INTERNAL TO THE PANEL
GROUNDING BAR
INTERNAL TO THE PANEL