Duracomm HE1U-2524-BMS-MU is an Internet Ready Heavy Duty AC to DC 750 Watt Power Supply with a 120 Watt smart charger and low voltage disconnect in a 1U chassis. The HE1U-2524-BMS-MU comes with power factor correction, and four layers of protection against overload, over voltage, over temperature, and short circuit. This model also comes with a manual battery disconnect switch, internal power supply ON/OFF remote control, and DC-OK.