Section 4-Four-Wire Ground Fault; General Information; Breaker Conversion-Ak/Aks-50 Drawout - GE MicroVersaTrip AKSU-50 Installation Manual

SECTION 4-Four Wire Ground Fault
4.1-General lnformation
The MicroVersaTripTM Ground Fault option requires an addi­
tional neutral sensor when used on a four-wire system having
its neutral grounded at the transformer. The phase sensors
are mounted on the breaker. However, the neutral sensor is
inserted in the neutral which is part of the equipment. The
neutral sensor is connected to the breaker through the
4th-wire neutral disconnect.
0.38
DIAMETER
HOLE
(DIMENSIONS IN INCHES)
Fig. 4-1. 4th-wire neutral disconnect installed
REAR VIEW
4.2-Breaker Conversion­
AK/AKS-50 Drawout
The 4th-wire disconnect for the AK/AKS-50 Drawout breaker
mounts to the lower-back frame as shown in Fig. 4-1.
1. If the disconnect is existing, just replace the control
harness. Maintain the following color code:
WHITE-COMMON
BLACK-TAP
2. If the disconnect is being added, mount the discon­
nect assembly as shown in Fig. 4-1.
BOTH LEADS HAVE
RING TERMINALS.
DISCONNECT
ASSEMBLY
AK/AKS-50 drawout
-
13