Cutler-Hammer Busway Systems - Eaton Canada

Application Data
30-560
Page 10 Cutler-Hammer
Pow-R-Way ® Busway Systems
Fittings for Pow-R-Way II and
Pow-R-Way Busway
There is a basic fitting to meet every application
need: flanges, elbows, offsets,
tees, cable tap boxes, weatherheads,
transformer connections, power take off
sections, reducers, adapter cubicles, expansion
joints and end closers. These fittings,
along with standard and minimum dimensions
are described on the following pages.
When making field measurements and
layouts, it should be remembered that
dimensions of fittings are given from
the centerline of the busway. Relationship
of fitttings to straight lengths is
illustrated at right.
Assembled sections of busway are marked
“T” for top and “F” for front. When assembling
the system, “T” and “F” markings of
adjacent sections must match.
Flanges➀
Flanges join busway housing to the
switchgear or other apparatus and include
standardized bus extensions for electrical
connection.
When busway extends into switchgear,
switchboards or motor control centers,
the opening and flange drillings must be
provided by the switchgear builder. In
which case, the cutout dimensions and
drilling plan must be followed. For proper
coordination between busway and any
equipment, detailed drawings must accompany
the order.
Flange can be supplied on left or right of
Rearward
Upward
Downward
Forward
section, as required. Minimum dimensions
are shown in the tables below.
Flush Flanges
Flush Flange is used when duct must lay
flat on top of a switchboard. Flange can be
supplied on left or right end of section, as
required. Extensions can extend out of top
or bottom as required.
➀ Flange hardware to be supplied by others.
➁ Dimensional purposes only. Pow-R-Way II is
standard design in this rating.
March 2001