The new AD-55B power supply is a specific purpose security series product with battery charger and UPS function.
* Universal AC input / Full range
* Protections: Short circuit / Overload / Over voltage
* Battery low protections
* Cooling by free air convection
* 100% full load burn-in test
* Fixed switching frequency at 45KHz
Note: Requires 24V battery (2x12V) for UPS function.