Complete pump end and motor set. Control box (control panel) is not mandatory, but a three phase power switch with overload protection is required. Complete Instructions.
Minimum requirement for operating the motor is a non-fused 3-phase power switch and a 3-phase overload protector / Circuit breaker. The protector / breaker must be the type of those that shut off all 3-phase when one or more phase is overloaded. Do NOT use a fused switch that could burn out one of the phase. Do NOT use three individual 1-Phase breakers. You must use a real 3-phase protector / breaker or a protection device that does not cause phase loss problem.