Ac Mains Connection; Ac Supply 3-Phase; Mains Supply Line; Figure 20: Connection Of The Mains Supply 3-Phase - KEB COMBIVERT F6 Series Instructions For Use Manual

CONNECTION OF THE POWER UNIT

5.2.3 AC mains connection

5.2.3.1 AC supply 3-phase

① ② ③ ④
L1
L2
L3
PE
No. Typ
Mains phase
1
Mains form
Personal protection
2 Mains fuses
3 Mains contactor
4 Mains choke
HF filter for TN-, TT
systems
5
HF filter for IT systems
6 Drive controller
Figure 20: Connection of the mains supply 3-phase

5.2.3.2 Mains supply line

The conductor cross-section of the mains supply line is determined by the following
factors:
•
•
•
•
The rated voltage between one phase conductor and earth potential (or the
neutral point in the IT system) must not exceed 300V,
(For the IT system, a short-term disconnection must be ensured).
RCMA with separator or RCD type B
see chapter "Protection of the drive controllers"
see notes in chapter "Filters and chokes"
Required for compliance with the limit values in accordance with
Input current of the drive controller
Used line type
Installation and ambient temperatures
The locally valid electrical regulations
The application engineer is responsible for the design!
⑤
L1
L2
L3
Description
3-phase
TN, TT
USA UL: 480 / 277 V.
-
COMBIVERT F6
⑥
U
V
W
IT
Insulation monitors
EN 61800-3.
57