ABB ACS880-207 Hardware Manual page 21

2 Earthing/grounding switch handle ([Q9], option +F259)
3 Auxiliary voltage switch handle
4 Selector switch for V meter (option +G334)
5 Grounding busbar [PE]
6 Input power cable terminals [L1...L3]
7 Main switch-disconnector [Q1]
8 Grounding/earthing switch ([Q9], option +F259)
9 Main AC fuses [F1...3]
10 Main contactor ([Q2], option +F250)
11 Auxiliary voltage switch [Q21]
12 Cubicle cooling fan
13 Charging switch handle
14 Charging switch [Q3]
15 Charging resistors
Operation principle and hardware description 21