For industrial and architectural LED lighting apps, the constant-current LXC and the constant-voltage LXV series waterproof LED power supplies deliver up to 300W of output power in IP67 enclosures. The LX series provides efficiencies up to 95% and specifies a MTBF in excess of one-million hours. The LXC series, available with outputs of 30W or 50W, exhibits efficiencies up to 88%. Shared features include universal inputs and an operating temperature range of -30°C to +70°C. For pricing, call EXCELSYS TECHNOLOGIES, Rockwall, TX. (972) 771-4544.