Electric motor is 115VAC, single phase, 50/60 Hz and variable speed. All are equipped with 12 ft. (366 cm) cord, circuit breaker with manual reset, internal cooling fan, and built-in on/off switch. Motors are rated continuous duty. 650 Watt continuous duty. 3,500 - 10,000 RPM, infinitely variable electronic speed control. Quick connection of motor to pump tube with unique collet design - no tools required. Integral motor overload - moving switch to off position automatically resets overload. Double wall thermoplastic motor housing reduces noise and vibration. cCSAua and CE approvals. RoHS compliant.