... -coated external surface, rape yellow (RAL1021).5)Choke ballast, rapid starting, stable performance.Selection table Type/OrderingcodeAvailable ... steelAvailable lampHigh pressure sodium lamp (HSE): 70W, 100W, 150W, 250W, 400W High pressure mercury lamp (HME): 80W, ... lamp (HIE): 70W, 100W, 150W, 175W, 250W, 400W Note: HPI European standard ballast is available in generalRated voltage220 ~ ...