This is a Class 2 AC to AC power supply transformer for Aquatec 24V AC boost pumps. Larger 2.5 Amp Transformer for Aquatec 24V AC boost pumps 8800 8851 8852 8855 6800 6840, 110V AC to 24VAC Power adapter power supply. Compatible to Aquatec part no. TACS114-48, TAS114-19EP, and HKAU-24-2000. Do not use this power supply for DC pumps, it will burn out, it will cause damage to your DC circuit or components. This is for Aquatec 24V AC pumps only. All foreign made, all China made pumps are DC pumps. Do not use this power supply to run DC devices, like DC solenoid valves, DC ESO, electronic shut off valves, DC control devices, or DC control panel, DC circuit. Input is 110V to 120V only, not for EU 220V. Please do not connect to 220V outlet. Larger amperage allows the Aquatec boost pumps to run at higher operating pressure this is 2.5 Amp compares to Aquatec 2 Amp and 0.8 Amp. Great for misting, aeroponics, hydroponics where 80 psi and 100 psi is required. Larger amperage is great for adding more devices to the circuit, such as AC solenoid valves, pressure switch, level switch, or 24V AC control devices. Larger amperage will increase the service life of the power supply. Service life of the 2.5 amp power supply will be longer comparing to 2 Amp or 0.8 Amp power supply. Input voltage: 110V to 120V AC 60Hz, Output voltage 24V AC 2.5 Amp, Class 2 Power supply. Cord length is about 6 feet, 18 AWG with quick plug. Connect with Aquatec pumps and Aquatec pressure switches. Dimension: 3.5” x 2.5 “ x 2.25”