SECTION 6 FOUR-WIRE GROUND

FAULT OPTION

The ground fault option for four-wire installations requires the installation of an additional current sensor on the neutral bus in the equipment. The sensor is connected to the trip unit through the connector provided in the wiring harness.

Installing the Fourth-Wire Disconnect

AK-50 & AKS-50 Stationary Breakers

The fourth-wire disconnect for stationary breakers consists of a terminal board mounted to the lower front channel, as shown in Figure 24.

If the terminal board is already present on the breaker, just replace the control harness. Main- tain the following color code: white wire to common, black wire to the tap.

If the terminal board must be added, mount it as shown in Figure 24. The mounting holes may have to be added to the front channel.

Figure 24. Fourth-wire terminal board installation on AK-50 &

AKS-50 stationary breakers.

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GE FOUR-WIRE Ground Fault Option, Installing the Fourth-Wire Disconnect, AK-50 & AKS-50 Stationary Breakers