The Hercules? Low Voltage Contact Module allows you to use a 120 V controller to control equipment that utilizes low voltage inputs. Items that typically require these types of inputs include, but are not limited to, air conditioners, dehumidifiers, heaters, solenoid valves, pumps, etc. Input power is 15 Amps/120 V/60 Hz. Output power is 5 Amps/24 V DC/120 V max/60 Hz.