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  • NEMA 3R aluminum, frame 602
1⌀ Full-load Amp Rating (FLA)
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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
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.
  • $393.00 In Stock

    240 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...

  • $393.00 In Stock

    240 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...

  • $437.00 In Stock

    240 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...

  • $624.00 In Stock

    240 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...

  • $698.00 In Stock

    240 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...

  • $380.00 In Stock

    480 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...

  • $385.00 In Stock

    480 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...

  • $457.00 In Stock

    480 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...

  • $492.00 In Stock

    480 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...

  • $683.00 In Stock

    480 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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