Alpha Technologies AMPS80 HP - Manual (Page 43)

41 Doc. #: 026-069-B0 Rev F
5.1 Input/Output Cabling Overview
Connection points are accessed from the top of the unit. A protective panel partitions the AC and DC con-
nections
.
DC2 DC3 DC4
Protective panel between
AC & DC connections
DC connections
AC connections
AC input ground
AC output ground
Frame ground
5.1.1 Wiring Gauge
The required gauge of the AC input, DC+/DC- input and AC output cabling is determined by the current rat-
ing, circuit breaker rating, typical ambient temperatures and the applicable local electrical codes. Typically
the AC input and standard AC output is 6 wires (L1, L2, and L3, N, N, G) up to 350 kcmil THHW or RW90
type cable that connects to the AMPS80 HP system with trade size up to 2.5" conduit.
5.1.2 Grounding
Refer to Figure 20 for connection points for frame ground, AC input ground and AC output ground.
Ground
bus
DC1
Figure 20 —
Top view of AMPS80 showing AC and DC connection partitions