Unfortunately, this ballast has been discontinued with no replacement from the manufacturer. Contact us for a suitable replacement!
The Robertson O4827 /B is a Magnetic Ballast that operates (1) F4T5 lamp 277 at 120V This ballast is great for areas that require normal lighting! Armed with a Pre-heat starting method, this ballast is used in office, board rooms, and retail. Also operates F6T5, and Fluorescent lamps.
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