Products

ROTOVERTER® Type C

Patented ROTOVERTER® tap adjustments give you control over all three phases for balancing currents. Type C ROTOVERTER® models are recommended for multiple loads of varying horsepower ratings up to 100 HP. These models are sized to the largest three-phase motor based on full-load amp (FLA) rating or total motor horsepower to be operated at one time.

Applications:

  • CNC equipment
  • Compressors: refrigeration, air conditioning
  • Pumps: centrifugal, heating systems, turbine
  • Lift stations
  • Fertilizer plants
  • Grain dryers
  • Multiple small motors

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  • Specifications
    Series

    Model

    Input Voltage / Output Voltage

    Rotary Base

    NEMA 3R Capacitor Panels Provided

    Motor Ratings

    ROTOVERTER®

    Type 2C

    Type 2C-AS*

    Single-phase 240V / Three-phase 240V

    Open drip-proof

    2

    Single motor: 2 HP to 50 HP

    Total HP: 4 HP to 100 HP

    ROTOVERTER®

    Type 4C

    Type 4C-AS*

    Single-phase 480V / Three-phase 480V

    Open drip-proof

    2

    Single motor: 2 HP to 60 HP

    Total HP: 2 HP to 120 HP

    *Automatic Start Units are supplied with a contactor and associated controls to integrate with equipment that may cycle automatically from control circuitry containing timers, level or pressure sensors, etc., to bring the rotary transformer to speed before the load is energized, as required by NEC Article 455-21.
  • Amp Rating
    Converter Size

    Type 2C

    Type 2C-AS

    Type 4C

    Type 4C-AS

    Largest Single Three-Phase Motor

    Total Three-Phase Motors

    Single-Phase Input FLA

    4 KVA

    240V

    480V

    2

    3

    18 @240V

    9 @480V

    6KVA

    240V

    480V

    3

    6

    26 @ 240V

    13 @ 480V

    10KVA

    240V

    480V

    5

    10

    44 @240V

    22 @480V

    15KVA

    240V

    480V

    7.5

    15

    66 @240V

    33 @480V

    20KVA

    240V

    480V

    10

    20

    88 @240V

    44 @480V

    30KVA

    240V

    480V

    15

    30

    132 @240V

    66 @480V

    40KVA

    240V

    480V

    20

    40

    176 @240V

    88 @480V

    50KVA

    240V

    480V

    25

    50

    220 @240V

    110 @480V

    60KVA

    240V

    480V

    30

    60

    264 @240V

    132 @480V

    80KVA

    240V

    480V

    40

    80

    352 @240V

    176 @480V

    100KVA

    240V

    480V

    50

    100

    440 @240V

    220 @480V

    120KVA*

    -

    480V

    60

    120

    -

    264 @480V

    * Unit Size Not UL Listed
  • Approx. Shipping Weights
    Converter Size

    Weight

    4KVA

    77 LBS

    6KVA

    82 LBS

    10KVA

    117 LBS

    15 KVA

    138 LBS

    20 KVA

    213 LBS

    30 KVA

    278 LBS

    40 KVA

    375 LBS

    50 KVA

    395 LBS

    60 KVA

    400 LBS

    80 KVA

    495 LBS

    100 KVA

    536 LBS

    120 KVA

    632 LBS

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Reliability and safety of electrical systems have never been more important. Ronk's American designed and assembled products are durable, efficient and last for decades.

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