GE ABB ReliaGear LV SG Installation, Operation And Maintenance Manual page 20

R E L I A G E A R ® LV S G LO W V O LTA G E S W I TC H G E A R
19
—
Primary disconnect shutters
23
Primary disconnect shutters, Figure 23, are
Primary disconnect
shutter assembly (shown
equipped as a standard to provide protection
in closed position)
against contact with the energized stationary
—
primary disconnects when the breaker is removed
24
Primary disconnect from its compartment.
shutter assembly (shown
in open position)
The shutters are constructed from UL approved
flame retardant materials carrying a V0
flammability classification per UL 94.
1
2
3
4
1. Secondary disconnect
2. Shutter assembly (closed with padlock in place)
3. Cradle side barrier
4. Draw-out rails
—
23
1
2
1. Shutter assembly (open)
2. Primary disconnect stab tip (typical)
—
24
The shutters are closed when the breaker is in the
DISCONNECT Position. As the circuit breaker is
racked from the DISCONNECT Position to the TEST
Position the shutters remain fully closed. As the
breaker is racked from the TEST Position to the
CONNECT Position, the shutters open allowing the
breaker to connect to the primary disconnects.
Figure 24 shows the shutter assembly with the
shutter in the open position.
Danger: Hazard of electrical shock or
DANGER
burn. Turn off power to this
equipment before working inside.
WARNING
CAUTION
NOTICE