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Ballast Naming Convention |
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rev. 2007-07-31
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Ballast Naming Convention |
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rev. 2007-07-31
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The Ballast Type field entry is built up from:
Lamp technology + lamp wattage + "x" + number of lamps + "v" + voltage (where not 120) + starting option (where needed) + other notes (where needed) + ballast factor (where needed)
Lamp Technologies
Lamp technologies are the same as for lamps, with the addition of:
lvi = low voltage incandescent (step-down transformer)
Starting Options apply only to fluorescent ballasts
is = instant start (best efficiency but a bit shorter lamp life)
rs = rapid start (lower efficiency but longer lamp life)
dim = dimmable ballast
Other notes apply mostly to fluorescent
Standard magnetic ballasts are assumed where not specified:
m = magnetic
es = energy-saving magnetic
el = electronic
Ballast factor
Ballast factor is a percentage of a base reference for fluorescent systems. A standard ballast for any technology has a factor of 100, so a value of 100 is assumed if another value is not specified. Lower ballast factor indicates that the lamps are driven at a lower wattage and will also produce less light.