Filter
Top Products
Magnum XS 450 Power System –48 VDC User’s Manual Page 10
Neutral Input
Wire Size (AWG) Wire Size (mm
2
) Max Torque (in-lb) Max Torque (N-m)
350 kcmil – 2 Cu 185 – 35 Cu 275 31.75
L1, L2, and L3 Input
Wire Size (AWG) Wire Size (mm
2
) Max Torque (in-lb) Max Torque (N-m)
2/0 – 6 Cu 70-16 Cu 125 13.5
Earth Ground Input
Wire Size (AWG) Wire Size (mm
2
) Max Torque (in-lb Max Torque (N-m)
4/0 – 6 Cu 95 – 16 Cu 275 31
Figure 3.3-2
Recommended Torques on Input Connectors
AC Kit with Phoenix Terminals Only
A terminal strip for ac input power connection and a separate “Earth Ground” bar for
connection of the safety ground wire(s) is provided. The terminal block is labeled as L and N
for each rectifier with the terminal block for rectifier one being the leftmost. At the front of the
ac input enclosure, optional single pole or two pole circuit breakers may be provided for each
rectifier. The single pole option breaks the “hot” wire going to each individual circuit breaker.
The two-pole breaker option simultaneously breaks both the “hot” wire and the Neutral wire.
The system may also have no circuit breakers.
The top of the ac input enclosure is provided with four pilot holes for easy alignment of the
desired conduit entry holes. A duct is provided so that the ac input connections can be
routed up through the unit from the bottom. Two 31.75 mm (1-1/4 inch) conduit entry holes
are provided in the bottom of the cabinet.
Individual ac input lines are run for each rectifier. The suggested wire size is 6 mm
2
(#10
AWG) rated at 90°C or higher, however, the ambient temperature and number of wires in a
conduit must also be considered in accordance with all applicable code requirements.
Wire Size (AWG) Wire Size (mm
2
) Max Torque (in-lb) Max Torque (N-m)
6 - 10 Cu 16 –6 16 1.8
Figure 3.3-3 Recommended Torques for Terminal Block Connections