Chromalox MaxPac, User Manual, Page: 17 / 44

15
The following drawings show proper installation of the crimp lugs on the bus bars:
Illustration 1: View From Rear Ventilated Panel
FUSE
Smaller wire, #1 through #8, often used
for power distribution, can be connected
to both sides of the load bus. Wiring must
be bent slightly to align with the windows
in the top of the touch safe units.
LINE BUS BAR
LOAD BUS BAR
FAN END
SCR
1/0 through 500 mcm
wire must mount on the
fuse side of the bus
bar as shown to
maintain required
electrical clearances
Illustration 2: View From Top
Touch-Safe Units
100 - 400 Amps
Input Bus
Up to (3) 1/0 - 300 mcm (70 mm
2
— 150 mm
2
)
Up to (2) 350 - 500 mcm (185 mm
2
— 240 mm
2
)
Output Bus
Up to (10) #8 - #1 (10 mm
2
— 50 mm
2
)
Up to (3) #1/0 - 300 mcm (70 mm
2
— 150 mm
2
)
Up to (2) 350 - 500 mcm (185 mm
2
— 240 mm
2
)
550 - 650 Amps
Input Bus
Up to (4) 1/0 - 300 mcm (70 mm
2
— 150 mm
2
)
Up to (3) 350 - 500 mcm (185 mm
2
— 240 mm
2
)
Output Bus
Up to (12) #8 - #1 (10 mm
2
— 50 mm
2
)
Up to (4) #1/0 - 300 mcm (70 mm
2
— 150 mm
2
)
Up to (3) 350 - 500 mcm (185 mm 2 — 240 mm 2 )
800 - 1200 Amps Open Design
Input and output bus drilled to accomodate qty (4) 1/0 - 500 mcm NEMA standard two-hole crimp lugs per phase.
All bolts must mount
with excess bolt lengths
toward the fuse to main-
tain required electrical
clearances.