- Model HLG-40H-36A is a 40 W constant-current LED driver. It delivers a stable 36 V output at 1.12 A, with efficiency up to 88.5% to minimize power loss and operating costs. Ideal for horticulture, grow lights, and billboards. - Built for reliability: robust metal casing and IP67 waterproof rating for indoor and outdoor installations. Provides protection against short circuits, over voltage, and over temperature to ensure long-lasting performance and safety. - Wide temperature range and quiet operation: operates from -40°C to +80°C. Fanless design enables silent operation while maintaining effective thermal management. Safety certifications include UL8750 and CSA C22.2 No. 250.0-08. - Input and efficiency: universal input 90-305 VAC. Constant current mode for consistent brightness and performance. Built-in active PFC improves power efficiency and reduces harmonic distortion. - Applications: suitable for horticulture and grow lighting, outdoor signage and billboards, and architectural or general outdoor lighting installations.