220vac 24vdc 1400w telecom dc power supply module Dc power supply feature: 1. Rack mount shape 19 inch or 23 inch 2. Rectification, system monitor system and PDU. 3. Wide ac input voltage range 185-300vac avoid using battery or dc panel supply frequently. 4.24vdc 55amp output 5. Extensive remote monitor capability 6. Parallelable configuration: 55amp to 1100amp 7. Comprehensive protection: Over current protection, short circuit protection, over and low voltage protection, DR series telecom dc power supply system with ac input supply as mains input, dc source from External battery pack or dc panel. Widely applied to telecom system.