GE MicroVersaTrip AKSU-50 Installation Manual page 6

SECTION 2 (CON T'D}-Front Frame Conversion
Fig. 2-2. New Wand X relay mounting brackets
2.4-Fiux Shifter Installation
The Flux Shifter device is shown in Fig. 2-3. For breakers
equipped with an ECS or SST Trip Device system:
1. Remove the ECS or SST Programmer.
2. Remove the existing flux shifter device and the
programmer control harness.
3. Install the new flux shifter device, positioning the
insulator and programmer connector bracket as shown in
Fig. 2-4.
For AK Breakers equipped with EC or power sensor systems,
the flux shifter mounting holes must be added to the left side
of the front frame. The drill pattern for the required, three (3)
0.209 diameter holes is given in Fig. 2-5.
Install the flux shifter as described in Section 2.4 Step 3 and
as shown in Fig. 2.4
If the breaker is an AKU-50 fused type, take
NOTE:
care to position the Flux Shift Trip device suffi­
ciently upward to avoid interference with the coil
of the Open Fuse Lockout (OFLO) device.
6
4
'
1. Actuator
2. Actuator arm
3. Trip rod
4. Trip rod adjuster end
5. Reset linkage
6. Actuator bracket
7. Mounting base
Fig. 2-3. MicroVersaTrip™ flux shifter
Fig. 2-4. Flux shifter installed