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Phase Converters
The Ronk ECONO-PHASE® Shifter is a cost-effective, highly efficient static phase converter, specifically for use in applications with single-speed motors that operate with light to medium loading.
- Run capacitors maintain current on all three phases
- Ideal for drill presses, grinders, mills, saws, and small air compressors
- These units can reduce costs when handling the load surges typical with Design D high-slip pump jack motors
Typical Applications
- Air compressors (5 HP and smaller)
- Conveyors
- Drill presses
- Electric hoists
- Engraving machines
- Fly wheel loads
- Grinders
- Lathes (5 HP and smaller)
- Mills
- Motors (900 RPM - 1200 RPM, 8 or 6 pole)
- Oil field pumps jacks, Design D motors
- Saw (radial arm, table)
- Sewing machines
| Converter HP | 2PS-OF: 240 V, 1⌀ Input/ 240 V, 3⌀ Output |
4PS-OF: 480 V, 1⌀ Input/ 480 V, 3⌀ Output |
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| Part No. | Enclosure | Approx. Wt. | Part No. | Enclosure | Approx. Wt. | |
| 3 HP | 3 HP 2PS-OF | 602 | 19 lbs. | 3 HP 4PS-OF | 602 | 19 lbs. |
| 5 HP | 5 HP 2PS-OF | 602 | 19 lbs. | 5 HP 4PS-OF | 602 | 19 lbs. |
| 7.5 HP | 7.5 HP 2PS-OF | 602 | 19 lbs. | 7.5 HP 4PS-OF | 602 | 19 lbs. |
| 10 HP | 10 HP 2PS-OF | 603 | 34 lbs. | 10 HP 4PS-OF | 602 | 19 lbs. |
| 15 HP | 15 HP 2PS-OF | 603 | 34 lbs. | 15 HP 4PS-OF | 603 | 34 lbs. |
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3 HP 2PS-OF ECONO-PHASE® Shifter
$393.00 In Stock240 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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5 HP 2PS-OF ECONO-PHASE® Shifter
$393.00 In Stock240 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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7.5 HP 2PS-OF ECONO-PHASE® Shifter
$437.00 In Stock240 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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10 HP 2PS-OF ECONO-PHASE® Shifter
$624.00 In Stock240 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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15 HP 2PS-OF ECONO-PHASE® Shifter
$698.00 In Stock240 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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3 HP 4PS-OF ECONO-PHASE® Shifter
$380.00 In Stock480 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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5 HP 4PS-OF ECONO-PHASE® Shifter
$385.00 In Stock480 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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7.5 HP 4PS-OF ECONO-PHASE® Shifter
$457.00 In Stock480 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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10 HP 4PS-OF ECONO-PHASE® Shifter
$492.00 In Stock480 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
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15 HP 4PS-OF ECONO-PHASE® Shifter
$683.00 In Stock480 V Static Phase Converters Economical solution for single motor applications where 100% continuous duty is not required. Supplies both starting and running current from 1⌀ service to all three legs of 3⌀ motor to provide high starting torque and operation up to 75% of motor-rated output on a continuous basis. Contact Ronk directly for custom guided...
