Model# Split Phase 120/240 Volts [S301P120/240-01] (L14-30P) The Smart30 Series provides ultimate power protection for Digital Production Printers and Industrial Equipment with single phase and up to 30 Amps power requirement. With redundant all-modes surge protection and filtration circuit.  Smart Power Systems’ Smart30 not only protects electronic equipment against destructive power line spikes and transients, but also ensures the equipment will function properly and perform to life expectancy.