(2) When fixed and variable loads are
encloses all components is made up
of an integral welded steel frame and
applied in combination, the load bank
housing. Removable top and side
can apply any load from 0.5 t, 30
panels allow access to the cabinet in-
kilowatts on either single or balanced
three phase operation.
terior for service, maintenance and in-
c. Major Assemblies and Components. The
spection. A hinged drop door protects
major assemblies and components of the load
the controls and can be swung back
bank includes a cabinet and cabinet assembly,
to assure access to controls. On the
control panel assembly, power absorbers, vari-
back a hinged metal door portects an
expanded metal ventilating panel.
able transformer, contactor, rectifier, terminal
The load bank is ventilated and heat
strip, and relay. Major components of the load
bank are illustrated in figures 1 through 4.
dissipated through the expanded
metal. Latches secure the doors to as-
(1) Cabinet and cabinet assembly. T h e
sure protection during storage and
cabinet assembly which completely
Figure 2. Load bank, left rear, three-quarter view.