1, Specially designed for HPS lamps to bring the performance into full play.
2, Higher heat-resistance ratings (Tw130), smaller temperature rise,
3, Variable resistance design to match various watts...Jiangsu Jinyaming Lighting Appliance Co., Ltd.
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HID - Step Dim Magnetic Ballasts for HPS Lamps, Step Dim Ballasts, HPS Ballasts, 100-400W, 220V/50Hz
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