Tran-BAL^® are categorized by series.
Consider the following factors when selecting a model:

Input Voltage
Ballasts for AC or DC input are available. The voltages can vary over a range of -10% to +20% of nominal voltage. Models for input voltages not shown on the Model Selection chart below are available as custom models. Please contact us for more information.
 
Starting Circuit
Two types of starting circuits are available. RAPID START (R) provides heater voltages to aid lamp starting and is used with preheat and rapid start lamps. This circuit is recommended for applications requiring frequent lamp starting. INSTANT START (F) produces a high voltage potential to start the lamp and may be used with preheat, rapid start and instant start lamps. This circuit is recommended for applications requiring infrequent lamp starting.
 
Lamps Operated
Models are available to operate preheat, rapid start and instant start fluorescent lamps from 4 through 215 watts. To choose the correct Tran-BAL^® Series for your application, see the Model Selection chart below or contact us for more information.

Product Line	Description
Series A	- One 4 - 8 W T5 lamp
Series B	- One 14 - 55 W lamp; - Two 14 - 20 W lamps
Series C	- One 75 - 165 W VHO lamp; - Two 60 - 85 W VHO lamps operating from 48VDC
Series E	- One 4 - 55 W or - One 18 - 35 W LPS lamp or - One 5 - 39 W twin-tube lamp; - Two 4 - 20 W or 5 -18 W twin-tube lamp
Series J	- One 60 - 215 W VHO or One 45 -110 W HO lamp - Two 60 - 135 W VHO or 45 - 85 W HO lamps
Series K	- One 4 - 40 W lamp; - Two 4 - 20 W lamps
Series P	- Two 110 - 160 W VHO lamps
Don't see a product that suits your specific needs? Then have The Bodine Company custom build your specific Tran-BAL® for your needs.