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Type CP-U, Unmounted Panel ROTO-CON® Rotary phase converters for center-pivot irrigation systems

cUL - U.S. Listed

ROTO-CON

Description

ROTO-CON Type CP-U has been specifically designed to operate a wide variety of center-pivot irrigation systems. They are easily installed, require minimal maintenance, and will give you years of trouble-free service.

Tech Spec | User Manual | Wiring Diagram

Specifications

Model: CP, Unmounted
Series: ROTO-CON Center Pivot
Input Voltage: Single-phase 480 V (single-phase step-up transformer required if <460 V)
Output Voltage: Three-phase 480 V
Rotary Base: Open drip-proof (ODP) or totally enclosed fan-cooled (TEFC)
NEMA 3R Capacitor
Panels Provided:
1
Dimensions: Varies according to converter size and enclosure – see chart below
Weight: Varies according to converter size – see chart below
Limited Warranty: 5 Years
Amp Rating
Dimensions
Shipping Weights
Applications

Single-phase Full-load Amperage

Converter
Size
1⌀ Input
FLA
CP-3U 10 A
CP-5U 15 A
CP-7.5U 24 A
CP-10U 31 A
CP-15U 47 A
CP-20U 63 A
CP-25U 78 A
  • Note that ROTO-CON Type CP-U units are nameplated only for 480 V input.
  • A single-phase step-up transformer, if required, must safely carry converter single-phase full-load amerage rating.

Sizing Chart, Based on Pivot Load

Converter
Size
Locked Rotor Code Letter Max. Rating of
Additional Motors
A – L M – R S – V
CP-3U 6.3 A 5.4 A 3.6 A 1 HP
CP-5U 10.3 A 8.9 A 5.7 A 2 HP
CP-7.5U 14.9 A 12.8 A 8.3 A 3 HP
CP-10U 21.6 A 18.6 A 12.0 A 5 HP
CP-15U 29.7 A 25.6 A 16.5 A 7.5 HP
CP-20U 43.2 A 37.1 A 24.0 A 10 HP
CP-25U 54.0 A 46.4 A 30.0 A 10 HP
  1. To select the ROTO-CON CP-U size
  2. Record the highest locked rotor code letter of tower motors.
  3. Match total tower amperage to code letter column.
  4. Check for additional motors such as booster pump and correct size as needed.
  5. If questions or need assistance in sizing, call 800-221-7665.

Unmounted Rotary Base – Open Drip-proof

Rotary Base Dimensions

Frame Converter
Size
A C E 2F G H O P
184 CP-3U 9-7/8 in. 11-1/2 in. 3-3/4 in. 5-1/2 in. 4-1/2 in. 13/32 in. 8-1/2 in. 7-7/8 in.
213 CP-5U 12-3/4 in. 12-1/2 in. 4-1/4 in. 7 in. 5-1/2 in. 13/32 in. 10-1/8 in. 9-5/8 in.
215 CP-7.5U 12-3/4 in. 12-1/2 in. 4-1/4 in. 7 in. 5-1/2 in. 13/32 in. 10-1/4 in. 9-5/8 in.
254 CP-10U 15-3/8 in. 15-3/8 in. 5 in. 8-1/4 in. 17/32 in. 12 in. 11-3/4 in.
256 CP-15U 15-3/8 in. 15-3/8 in. 5 in. 10 in. 8-1/4 in. 17/32 in. 12 in. 11-3/4 in.
286 CP-20U 18-7/8 in. 18-3/4 in. 5-1/2 in. 11 in. 9-1/2 in. 17/32 in. 13-5/8 in. 13-1/4 in.
286 CP-25U 18-7/8 in. 18-3/4 in. 5-1/2 in. 11 in. 9-1/2 in. 17/32 in. 13-5/8 in. 13-1/4 in.

Unmounted Rotary Base – Totally Enclosed Fan-cooled (Roll Formed)

Rotary Base Dimensions

Frame Converter
Size
A C E 2F G H O P
213 CP-5U TEFC 12-7/8 in. 14 in. 4-1/4 in. 7 in. 5-1/2 in. 13/32 in. 10 in. 9-5/8 in.
215 CP-7.5U TEFC 12-7/8 in. 15-7/8 in. 4-1/4 in. 7 in. 5-1/2 in. 13/32 in. 10 in. 9-5/8 in.
254 CP-10U TEFC 15-9/16 in. 19 in. 5 in. 10 in. 8-1/4 in. 17/32 in. 12-7/8 in. 12-3/8 in.

Unmounted Rotary Base – Totally Enclosed Fan-cooled (Cast)

Rotary Base Dimensions

Frame Converter
Size
A C E 2F G H O P
256 CP-15U TEFC 16-1/8 in. 17-7/16 in. 5 in. 10 in. 8-1/4 in. 17/32 in. 12-7/8 in. 13 in.
286 CP-20U TEFC 20-1/2 in. 22-11/16 in. 5-1/2 in. 11 in. 9-1/2 in. 17/32 in. 14-7/16 in. 15-5/16 in.
286 CP-25U TEFC 20-1/2 in. 22-11/16 in. 5-1/2 in. 11 in. 9-1/2 in. 17/32 in. 14-7/16 in. 15-5/16 in.

Nema 3R Enclosure: Frame 600

Nema 3R Enclosure Dimensions

Enclosure 600 applies to the following converter sizes:

  • CP-3U, CP-5U, CP-5U TEFC
Enclosure A B C D E F
600 9-1/8 in. 5-3/16 in. 10-1/16 in. 8-3/16 in. 5-1/16 in. 6 in.

Nema 3R Enclosures: Frames 601 & 602

Nema 3R Enclosure Dimensions

Enclosure 601 applies to the following converter sizes:

  • CP-7.5U, CP-10U, CP-7.5U TEFC, CP-10U TEFC

Enclosure 602 applies to the following converter sizes:

  • CP-15U, CP-20U, CP-25U, CP-15U TEFC, CP-20U TEFC, CP-25U TEFC
Enclosure A B C D E F G
601 12 in. 6-1/2 in. 12-13/16 in. 11-1/16 in. 6-3/16 in. 17-7/16 in. 16-1/4 in.
602 14-1/4 in. 8-1/2 in. 12-13/16 in. 13-5/16 in. 8-1/4 in. 17-1/4 in. 16-1/16 in.

Converter Size & Approximate Shipping Weights

Converter
Size
Rotary Base Enclosure
ODP TEFC*
CP-3U 72 lbs.
CP-5U 100 lbs. 157 lbs.
CP-7.5U 120 lbs. 180 lbs.
CP-10U 190 lbs. 265 lbs.
CP-15U 240 lbs. 282 lbs.
CP-20U 335 lbs. 430 lbs.
CP-25U 360 lbs. 440 lbs.

* Totally enclosed fan-cooled (TEFC) for use in areas with severe dust, sand or water

Typical Application (select link for product inquiry)