Emerson AXP 1410, Installation And Use Manual

Page: 56 / 204

System Installation
AXP 1410 Installation and Use (6806800H70F )
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3.3.2.2 Power Cable Termination
Custom lugs are used with large gauge wires for up to 80 AMPs DC (4 AWG) when connecting
to the PEM. These are shipped with the product.The lugs are angled to allow the cables to be
dressed below the cable management tray, thus protecting the circuit breakers from
accidental tripping.
Terminating this lug is identical to terminating standard lugs. To minimize shorting of the
terminals, the lugs must be insulated according to the following illustration.
3.3.2.3 Connecting the Cables to the PEM
In a redundant configuration, each PEM must be connected to a separate DC power source.
Power is introduced to each PEM’s terminal block on the front of the module (power input
cable and return cable). The lugs provide secure contact for the cable and prevent the power
cables from rotating. A plastic housing covers the power feeds and returns and is attached with
one screw. Refer to
Figure 3-2 for detail.
Heat shrink should be placed as close to the hole as possible (0.15") apart. The heat shrink
tube should be cut approximately at a 30
°
angle.
To cable a dual breaker DC system, read all cautions and warnings, properly ground the
equipment by following the procedure in
Grounding the System on page 58 , and follow
these steps. This procedure assumes that the PEMs are preinstalled in the shelf.