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 (2) Directly
below
the
instrument
WARNING
compartment is the main breaker compartment, see
Never open a breaker compartment
panel unless the breaker is in the open
the center allowing charging handle (4) of the breaker to
position.
The breaker has a fully
protrude part way through. This part of the breaker has
connect and disconnect position. A
an indicator (1) showing if it is open or closed a
test position stop is in place and must
mechanical trip push button 15) and a charge indicator
be tripped to push the breaker in. See
number (2). The panel also has a red mimic bus (6)
showing a one line diagram going from panel to panel.
rear of this compartment are the bus
The main breaker is an AK-3-50 (600/ 1600 amp rating)
connections to the breaker.
having a drawout feature. It is manually operated with a
selective power sensor overcurrent trip device.
KEY to figure 2-11:
I
OPEN-CLOSED indicator
2.
Charge indicator number
3.
Compartment panel handle
4.
Charging handle
5.
Trip push button
6.
Red mimic bus
2-16
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