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Advance Transformer Co. e-Vision ballast
Electronic ballast provides dual-wattage lamp operation The e-Vision electronic ballast for HID lamps provides IntelliVolt or dual-wattage lamp operation. IntelliVolt allows ballast operation with input voltages from 120V to 277V, 50 Hz or 60 Hz. The dual-wattage feature allows the ballast to operate both 35W and 50W lamps, or both 70W and 100W lamps, depending on the ballast model. Advance Transformer