MOTOR:The pumps are coupled to an asynchronous, high efficiency TEK inductionmotor of suitable size, which is quiet, closed and externally ventilated,suitable for continuous duty. The thermal cutout replay (motor protector ) is incorporated in all singlephase motors.Three phase motors require an adequate external motor protector, withconnections according to current standards.INSULATION: class B (Class F)PROTECTION: IP 44. WARRANTY: 1 year