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Keystone 250W metalhalide ballast kit five tap has voltages of 120/208/240/277/480V and a minimumstart temperature of -30 degrees C. The power factor is high. Available at acompetitive price from , this ballast kit becomes an evenbetter deal if you take advantage of our bulk discounts. A warranty of twoyears is included.

• Width: 1.65″
• Height: 4.8″
• Length: 4.3″