Uninterrupted Power Supply System for ATM is efficient, reliable and has compact design. The System has built in galvanic isolation transformer and static switch for auto changeover and has wide input range. The System is a good charger with higher charging currents for higher batteries and is available in any dc voltages between 36 to 120 volts. The Uninterrupted Power Supply System for ATM has range from 1 to 3 KVA with 1Ph input and 1Ph output.