Is the timer 2 prong? My breaker is 2 30Amps bunddle together which means 2 hot and a neutral that runs my water heater. Will this timer works?

Good morning, this is Selina from Intermatic Consumer Services. Thank you for your question on our Electric Water Heater Timer. Yes, this timer will work as a replacement for your current breaker. If you ever have any questions regarding specifications or applications of one of our products, please contact our Technical Support team. You can reach Technical Support by email at techsupport@intermatic.com. Thank you again, we appreciate your business!