Philips HID-PrimaVision CPO-TW Xtreme Electronic Ballast features with one-piece compact, robust for CosmoPolis white lamps. Specifically designed for use in outdoor luminaires and outdoor environment. Lamp power independent of lamp life and mains voltage. Self-stopping facility prevents cycling of old lamps. Full protection of ballast and installation against fault conditions such as excess temperature, mains undervoltage, mains overvoltage and end of lamp life Cage clamp terminal connections with pushbutton release. Simple installation and cabling. Suitable for road, street, tunnel, residential lighting, city beautification. Outdoor and indoor applications, recommended outdoor luminaire classification > IP 23. Philips Green Flagship product with high efficacy minimizes environmental impact and CO2 emission. RoHS compliant.