A great option for pump start and pump protection in one, the Munro SmartBox includes a preset pressure sensor that alerts the control system of potential pump damage due to loss of prime or run-dry. Additionally, the Munro SmartBox provides personal protection. All external devices are powered at reduced 24 volts. Low risk of line voltage harming people or pets.*
No need to wonder which relay to use, the Munro SmartBox has a 40 amp relay to work equally well with single phase 3/4 hp to 5 hp.