DC24V 30A Weekly 12/24hrs Timer Switch On Off Control Programmable Time Relay
Capacity: 30A 5000W. Power Consumption: <5VA. With countdown function, maximum 24 hours countdown to OFF. 35mm DIN rail mounting, easy to operate, great for household use. Battery: CR2450 (Included).
DC24V 30A Weekly 12/24hrs Timer Switch On Off Control Programmable Time Relay #c
This is the fastest and most convenient way.