ABB PVS-100 Series Hardware Manual page 21

Note: Technical drawings are delivered with the unit, only if you requested.
1 Auxiliary service transformer
2 Surge arrester protection for the auxiliary service board
3 Upstream on-load fuse switch for auxiliary service transformer protection
4 Downstream circuit breaker for auxiliary service transformer protection
5 Torch light and charger
6 Auxiliary service board circuit breakers and differential protections
7 Grounding busbar
8 Terminals block
Hardware description 21