The AD-55A is a buffer switch mode power supply, with a separate battery charging circuit. The battery charging current is limited to 0.5A, which allows slow charging for long battery life.

The most important features:

• universal AC supply voltage / Full range;
• protection: short circuit, overvoltage and overload;
• PF>0,92@230V;
• battery overdischarge protection;
• protection against voltage drop and reverse polarity of the battery;
• passive cooling
• constant pulse frequency 134kHz;
• possible mounting on a DIN rail and on a flat surface;
• 2 years warranty.

Specification