Single-Phase Motor Starter with E-Stop Button, 2 HP Max for Drill Presses, Milling Machines and Lathes Motor starter with self-latching red E-Stop button for metal fabrication machines 15-A non reversing magnetic starter with 115 V and 2 HP max Brings machine into NFPA 79 Electrical Standard for Industrial Machinery safety compliance For machines with 230-V AC single-phase motors, a transformer is required to reduce the control circuit voltage to 115-V AC 1 year warranty