Ronk 4PS-OF Econo-Phase Shifters convert 1Ph 480V to 3Ph 480V for many 3-75 hp single motor applications. Ideal for oil field pump jacks and woodworking equipment. Please call for low discounted pricing and expert sales/application assistance.
Required Information for a Phase Converter Quote
- Cost effective, high efficiency phase converter for use in single motor applications where 100% continuous duty is not required.
- Supplies both starting and running current from single phase service to all three legs of a three phase motor to provide high starting torque and rugged operation.
- Ideal for drill presses, grinders, mills, saws and other machine or woodworking equipment.
- Proven performer for use on Pump jack applications in the oil and gas industry where Design D motors are typically used. Utilizes extra heavy components matched to the surging loads and ability to operate continuously, as needed, in these applications due to the high peak voltage that can occur when the motor runs over-speed in the down stroke and acts as a generator.
- Utilizes run capacitors to maintain maximum current on all three phases.
- Capacitors sized on actual horsepower rating of the motor, allowing motors at the upper range of their rating not to be short of capacitance when operating in a heavily loaded condition.
- Operates most motors at full load as needed and provides 3/4 load on a continuous basis.
- Operates both WYE and Delta motors with no “special” motor connections required.
- Housed in a NEMA 3R outdoor enclosure.
- UL Listed.
|Motor HP / Model||Single Phase
Full Load Amps
|3 hp 4PS-OF||7A||12 lbs.|
|5 hp 4PS-OF||10A||13 lbs.|
|7.5 hp 4PS-OF||15A||17 lbs.|
|10 hp 4PS-OF||20A||18 lbs.|
|15 hp 4PS-OF||30A||30 lbs.|
|20 hp 4PS-OF||40A||32 lbs.|
|25 hp 4PS-OF||48A||37 lbs.|
|30 hp 4PS-OF||58A||49 lbs.|
|40 hp 4PS-OF||75A||53 lbs.|
|50 hp 4PS-OF||93A||63 lbs.|
|60 hp 4PS-OF||110A||65 lbs.|
|75 hp 4PS-OF||140A||70 lbs.|