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Electric LED bay lights are robust, energy-efficient luminaires designed for high-ceiling industrial and commercial applications, with key specifications including high wattages and lumen outputs, specific color temperatures, and durable, weather-resistant construction. Key Specifications and Ranges Specification Typical Range/Description Wattage (Power) Typically ranges from 50W to 300W+; actual need depends on ceiling height and desired brightness. Luminous Efficacy High efficiency is a key feature, often exceeding 120-150 lumens per watt (lm/W). Lumen Output High output to cover large areas, with common ranges from 8,000 lumens (low bay) to over 33,000 lumens (high bay). Color Temperature (CCT) Commonly Cool White (5000K-6500K), which enhances visibility and focus in work environments. Ingress Protection (IP) Rating Industrial ratings often range from IP44 to IP66/IP67 for protection against dust, moisture, and strong water jets. Body Material Housing is typically made from durable die-cast aluminum or metal to resist corrosion and aid in heat dissipation. Input Voltage Wide operational voltage ranges are common, such as AC 85V-265V or AC 90V-305V, to accommodate various power systems. Beam Angle Ranges from narrower angles (90) for focused, high-ceiling applications to wider angles (120) for broader coverage in lower spaces. Lifespan Designed for long, low-maintenance operation, typically rated for 50,000 hours or more. Power Factor (PF) Generally high, with ratings over 0.9 to ensure efficient power use. Additional Features May include surge protection (up to 6kV or 10kV), dimming capabilities (e.g., 0-10V), and sensor compatibility for smart control.