GE Industrial Solutions ProTrip Conversion Kits DB-15 - Manual (Page 11)

Adjusting the Flux Shifter
With the breaker in the CLOSED position, the gap
between the adjustment screw and the end of the flux
shifter should be
1 / 16 inch, as shown in Figure 15. For
safety, OPEN the breaker before adjusting the screw with
a
1 / 4 -inch wrench. CLOSE the breaker to check the
adjustment.
WARNING: Be extremely careful when working on a
Connecting the Trip Unit Wiring Harness
1. Join the four-pin connector on the trip unit harness to
the four-pin connector on the flux shifter.
2. Run the CT leads through the inside of the breaker
frame, as shown in Figure 16. Connect the harness
leads to the screw terminals on each CT. The black
wire (tap) connects to the left terminal and the white
wire (common) to the right terminal.
3. Use the wire ties provided to tie the harness back
against the frame. Tie the harness to each CT
assembly, as shown in Figure 16. Ensure that the
wiring will not interfere with any moving parts.
CLOSED breaker. Do not reach into the mechanism
while adjusting the flux shifter.
Optional Test – The flux shifter may be tested by closing
the breaker and applying a 9 Vdc power source to the
flux shifter leads (the red wire is positive). The breaker
should trip.
Figure 15. Adjusting the flux shifter.
Figure 16. Installing the wiring harness.
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