9
C048-741-30 R01, Rev. B (01/2020)
4.4
4.4 Input Connections
Input Connections
WARNING! ELECTRICAL HAZARD
INPUTS MUST BE PROTECTED BY A LISTED CIRCUIT
BREAKER OR BRANCH RATED FUSE. THE CIRCUIT
BREAKER OR FUSE MUST BE RATED AT 1200A MAX.
MULTIPLE POWER SOURCES ARE PRESENT. ENSURE
ALL INPUT POWER FEEDS ARE NOT ENERGIZED
BEFORE INSTALLING THEM. ELECTRICAL
INSTALLATION SHOULD ONLY BE PERFORMED BY
QUALIFIED PERSONNEL WITH PROPER TOOLS AND
PROTECTIVE SAFETY EQUIPMENT.
MAKE SURE THAT ALL FEEDER CABLES HAVE HEAT
SHRINK APPLIED PRIOR TO TERMINATION, AND THAT
NO-OXIDE COMPOUND IS APPLIED TO ALL COPPER-
TO-COPPER CONNECTIONS.
NOTICE
:
Table 2.
Input Specifications
TERMINATION
TYPE
HOLE/
STUD
SIZE
CENTER
TO
CENTER
RECOMMENDED
TORQUE VALUE
Through Hole
3/8 in.
1 in.
350 in·lbs
The Half-Size BDFB can be cabled in single, dual, and quad-bus
configurations. Each of the four HOT (-) and RTN (+) input positions
are individually labeled throughout the BDFB buswork (see Figure 7).
The Half-Size BDFB is also capable of connecting to external RTN
buses.
Figure 5. Input Bus Plastic Safety Shields
Figure 6. HOT/RTN Input Bus Locations
Figure 7. Numbered Input
Bus Locations (Internal RTN
Shown)
Figure 8. HOT Input Cable
Termination
Figure 9. RTN Input Cable
Termination