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![]() Model 821 Model 821The Model 821 is an energy-efficient, Prismatic Reflexor® designed to be used in either open or closed luminaires The Model 821 is designed to be used for industrial and commercial applications. It is 536mm in diameter and is best suited for low and medium bay industrial applications where low brightness and high vertical illumination is required. Light colored ceilings use the inherent uplight component, reducing contrast and improving uniformity. The Reflexor Model 821 is capable of being used with up to 400W HID lamps in an open luminaire. For best uniformity, we recommend using coated metal halide lamps or diffuse high pressure sodium lamps. Please reference LexaLite's Reflexor Standard HID Acrylic Application Recommendations for ambient temperature guidelines. Luminaire design, reflector configuration, lamp position, and ambient temperature will affect the inside surface temperature. Thermal tests should be conducted on each luminaire design to confirm appropriate lamp size for the application. |