Sungrow MVS4480-US System Manual

42
Unless the MV transformer disconnect switch is open, 645V AC may be present in
the Power Distribution Cabinet.
6.9.1 5KVA Power Distribution Cabinet
Internal Components
No. Name
Cable Size (AWG)
QS8* Control switch for self-constructed grid
QS9 Control switch for auxiliary transformer
7
QF3 Control switch for 120Vac power supply
5
QF4 Reserved for 120Vac power supply
7
QF5 Reserved for 120Vac power supply
9
QF6 Reserved for 120Vac power supply
9
QF7 Reserved for 120Vac power supply
9
QF8 Control switch for power socket
7
QF9 Reserved for 120Vac power supply
9
QF10 Reserved for 120Vac power supply
9
QF11 Reserved for 120Vac power supply
9
QF12 Reserved for 120Vac power supply
9
* is optional.
Wiring diagram
The wiring diagram of external power supply is shown in the figure below. Perform cable
connection according to this diagram.
6 Electrical Connection System Manual

Sungrow MVS4480-US Specifications

General

Brand	Sungrow
Model	MVS4480-US
Category	Inverter
Language	English