Freedom 2100 Motor Control Center Installation - emsco
Freedom 2100 Motor Control Center Installation - emsco
Freedom 2100 Motor Control Center Installation - emsco
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8 I.B. 8926-1A<br />
SPLICE PLATES<br />
Each splice plate kit consists of short pieces of bus<br />
bar the same width as the main horizontal bus of the<br />
MCC the kit is shipped with, four bolts per phase,<br />
and appropriate quantities of related hardware. For a<br />
single bus bar per phase the hardware is used as<br />
shown in Figure 6 for either 16” or 20” deep<br />
enclosures. Each splice plate is punched with<br />
rectangular holes to accept a square shank carriage<br />
bolt that will not rotate as the nut is tightened.<br />
Fig. 7 Double Bar Splice Kit<br />
Fig. 8 Triple Bar Splice Kit<br />
Where the MCC is built with two horizontal bus bars<br />
per phase, the splice plates are installed as shown<br />
in Figure 7. The top edge of Figures 7 through 10<br />
represents the backside of the MCC. The top portion<br />
of each of these figures applies to 20” deep<br />
enclosures and the lower portion to 16” deep<br />
enclosures. Note that for all but the single-bar per<br />
phase (Figure 6) installation, the16” deep enclosures<br />
require the use of a nut plate that is mounted with<br />
the same carriage bolt used to attach the horizontal<br />
bus bars to the channel-shaped insulators. Install<br />
these nut plates before mounting the splice plates.<br />
Tighten the splice plate bolts with a driving torque of<br />
360 pound-inches (30 pound-feet).<br />
TYPE 3R ENCLOSURES<br />
Where the MCC is supplied in a Type 3R enclosure<br />
for an outdoor application, apply roof splice caps at<br />
each shipping block junction to maintain the<br />
enclosure integrity.<br />
Fig. 9 Quadruple Bar Splice Kits