Quantcast Figure 2-3. Rear view of right section of low voltage cabinet

 

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Figure 2-2. Positions of circuit breakers.
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TM-5-6120-250-12 Substation Trailer Mounted 500 KVA AC 4160-416Y/240V 208Y/120V 3 Phase 50/60 Hertz Manual
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Connecting Primary Cable
1. Fully withdrawn position
2. Disconnected
3. Fully connected position
(3)  After determining that  the  breakers
operate correctly, push them all the way in, fully
connected, using racking handle (para. 3-15) and make
sure they are tripped. Close the front doors.
(4)) Open rear doors, visibly and by hand
check Ill connections for complete hardware and insure
they are tight. See that the removable bus links (8, fig.
2-3) between main breaker and feeder breakers are' in
place.  If feeder breakers are not to be used, see,
paragraph 2-21 for removal of the links so that only the
main breaker is used.
(5) Directly below the low voltage cabinet
underneath the trailer body are two trap doors. loosen
the three captive bolts from each door and open them.
Loosen and remove four bolts and remove bottom plate
(7, fig. 2-3) in right and left .sections of the cabinet.
These openings are the secondary cable (feeder line)
entrances to the low voltage cabinet.
(6) Feed 2 / 0 ground wire from the
grounding rod lip through the trap door and fasten to the
ground lug (7, fig. 2-1 6) just inside at the bottom of the
transition area from transformer.
1.
1, VAC cable (5(1 foot
2.
Main breaker input
3.
Main breaker output connectors
4.
Feeder breaker No. I input connections
5.
Feeder breaker No I output connectors
6
Heater
7
Removable bottom plate (1 each section
8
Removable bus links
Figure 2-3. Rear view of right section of low voltage cabinet
2-6

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