GE Industrial Solutions Limitamp AR - Manual (Page 16)

CR 194 One/Two-High Vacuum Limitamp ® AR Control Page 16
Cable Entry From Top or Bottom
Removable cable entry plates are provided on the top and
bottom of the equipment.
Step 1: Remove cable entry cover plates. Cut an appropriate
size hole for required conduit bushing.
Step 2: Install a conduit bushing(s) capable of sealing against
20-psig minimum pressure on all cables entering or exiting the
arc resistant unit.
WARNING: Conduit bushings capable of sealing against
20-psig minimum should be installed on all cables
entering or exiting the enclosure. If these bushings are not
installed, hot arc gases can escape thru open area around
cables. Serious injury or death may result.
Figure 35. Conduit cover plate in plenum for top
cable entry.
Conduit Cutout Cover Plates
Plenum
Dimensions
Vacuum Limitamp AR controllers are normally 42-inches deep
and 90-inches high. The width of the CR 194 Two-High
Vacuum Limitamp AR is 36 inches (40 inches optional).
Refer Figure 38 (Bottom cable entry) and Figure 39 (Top cable
entry) for dimensional details.
The width of the 800A CR 194 One-High Vacuum Limitamp AR
is 48 inches. Refer to Figure 40.
Figure 37. Assembly of conduit bushing on the bottom
conduit plates for bottom cable entry.
Figure 36. Assembly of conduit bushing on to the
plenum top cover for top cable entry.
Conduit
Bushing
Conduit
Bushing