Split Plug Jumper Test Device
When specified, a split plug jumper test device is supplied.
This device allows a circuit breaker to be operated from the
control switch on the instrument panel while the circuit breaker
is outside of and adjacent to its cell.
Figure 47. Split Plug Jumper
The split plug jumper consists of a length of flexible cable with
terminal plugs on each end. These terminals can be connected
to the secondary disconnects on the circuit breaker and in the
cell. When connected the circuit breaker can be opened or
closed electrically from the instrument panel control switch.
Test Cabinet
When specified, a test cabinet is supplied. This device allows
a circuit breaker to be operated from a control switch in a cabinet,
which is wall mounted by the purchaser. A length of flexible
cable is connected to the cabinet and has a terminal plug on
the other end which may be connected to the secondary
disconnects on the circuit breaker. When connected, the
circuit breaker can be opened or closed electrically from the
control switch on the test cabinet, which is connected to a
suitable power supply by purchaser.
Lift Truck
When specified, a lift truck is supplied (see Figure 41) for
handling circuit breakers. The lift truck is useful whenever
circuit breakers are installed above floor level. For Shelter-Clad
installations, the lift truck is normally stored in the aisle area,
as it does not conveniently pass through the aisle doorway.
Lift Sling
If a lift truck is not provided, a lift sling is supplied as standard
when circuit breakers are installed above floor level. The lift
sling is suitable for use with any crane which has an adequate
capacity (750 lbs. or 340kg minimum). Figure 48 shows a lift
sling being used to lift a circuit breaker.
Figure 48. Lift Sling in Use to Handle Circuit Breaker
Electric Racking Accessory
An optional electric racking accessory is available. The accessory
consists of a motor drive enclosure which installs on mounting
brackets on the switchgear front panel of a circuit breaker compart-
ment. The unit includes a power cord, which can be connected to
a convenient power source in the vicinity of the switchgear.
Instructions for mounting the racking accessory and for rack-
ing of circuit breakers are provided on a label on the racking acces-
sory.
Accessories
48
1622-95
1626-95
Courtesy of NationalSwitchgear.com