Emerson 1410 Service Manual download pdf (Page 54)

System Installation

AXP 1410 Installation and Use (6806800H70D)

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 56, and follow

these steps. This procedure assumes that the PEMs are preinstalled in the shelf.

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Emerson 1410 Service Manual Page 54