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Type K-Duo ADD-A-PHASE® Power Converters For multiple motor applications in air conditioning units, booster pumps & lift stations

cUL - U.S. Listed

ADD-A-PHASE Power Converters

Description

Type K-DUO ADD-A-PHASE static three-phase converter will operate multiple motors to their full load rating, plus normal overload. It also limits inrush current when the motors are starting, a critical factor on most single phase lines. Type K-DUO can be adjusted to provide balanced currents to multiple motors operating at a constant horsepower load.

Other units can be designed to handle 3 to 5 motors either separately or simultaneously. Variations are available to handle motors with higher than standard FLA ratings, motors with different HP ratings, and other applications.

This family of converters offers redundancy in critical applications – any failure in one of the convertors leaves the others to operate the system until repairs can be made.

Tech Spec | User Manual | Wiring Diagram

Series

  • K-SUB: Operate 2 pump motors with higher than standard FLA rating
  • K-AC: Operate 2 air conditioning compressor motors
  • K-SP: Operate 2 motors with different HP ratings
  • K-8: Operate 2 motors at 208 V output
  • L: Operate 3 motors (trio)
  • Q: Operate 4 motors (quad)
  • N: Operate 5 motors (penta)

Specifications

Starting Current: Approximately 300% of 1⌀ input FLA
Input Voltage
(Single Phase):
Model 2K: 240 V
Model 3K: 240 V
Model 4K: 480 V
Output Voltage
(Three Phase):
Model 2K: 240 V
Model 3K: 480 V
Model 4K: 480 V
Enclosure: NEMA 3R aluminum
Dimensions: Varies according to enclosure – see chart below
Weight: Varies according to type, enclosure, and horsepower – see chart below
Motor Ratings: 3 HP to 80 HP
Limited Warranty: 5 Years
Amp Rating
Dimensions
Shipping Weights
Applications

1⌀ Full-load Amp Rating*

Converter**
Horsepower
Load Motor
Horsepower
Type 2K Type 3K Type 4K
3 HP (2) 1.5 HP 14 A 14 A 8 A
4 HP (2) 2 HP 18 A 18 A 12 A
6 HP (2) 3 HP 26 A 26 A 14 A
10 HP (2) 5 HP 40 A 40 A 20 A
15 HP (2) 7.5 HP 60 A 60 A 30 A
20 HP (2) 10 HP 80 A 80 A 40 A
30 HP (2) 15 HP 120 A 120 A 60 A
40 HP (2) 20 HP 160 A 160 A 80 A
50 HP (2) 25 HP 190 A 190 A 96 A
60 HP (2) 30 HP 230 A 230 A 116 A
80 HP (2) 40 HP 300 A 300 A 150 A

*  3⌀ motor starter must be a full-amperage across-the-line start without 3⌀ voltage monitoring
** For Types K-SUB & K-AC, use the next larger converter HP rating

Nema 3R Enclosures: Frames 107, 115 & 130

Nema 3R Enclosure Dimensions

Enclosure 107 applies to the following converter sizes:

  • 3 HP – 6 HP (Types 2K, 3K & 4K)

Enclosure 115 applies to the following converter size:

  • 10 HP (Types 2K, 3K & 4K)

Enclosure 130 applies to the following converter sizes:

  • 15 HP – 30 HP (Types 2K & 4K)
  • 15 HP – 20 HP (Type 3K)
Enclosure A B C D E F G
107 22-1/4 in. 12-7/8 in. 18-5/8 in. 26 in. 11-1/2 in. 15 in. 9/16 in.
115 25-1/2 in. 14 in. 21-1/4 in. 29 in. 14 in. 17-1/2 in. 9/16 in.
130 28-3/4 in. 16-1/2 in. 26-3/4 in. 32-1/4 in. 17-5/8 in. 22-1/8 in. 9/16 in.

Padmount Enclosures

Padmount Enclosure Dimensions

Enclosure 150 applies to the following converter sizes:

  • 30 HP – 40 HP (Type 3K)
  • 40 HP – 50 HP (Types 2K & 4K)

Enclosure 175 applies to the following converter sizes:

  • 50 HP – 80 HP (Type 3K)
  • 60 HP – 80 HP (Types 2K & 4K)
Enclosure A B C D E F G
150 32 in. 22-7/8 in. 40-7/8 in. 30 in. 21 in. 27-1/2 in. 18-1/2 in.
175 38 in. 28-7/8 in. 40-7/8 in. 36 in. 27 in. 33-1/2 in. 24-1/2 in.

Enclosure Size & Approximate Shipping Weights

Enclosure Horsepower Type 2K
Weight
Type 3K
Weight
Type 4K
Weight
107 3 HP 90 lbs. 115 lbs. 100 lbs.
4 HP 140 lbs. 162 lbs. 150 lbs.
6 HP 170 lbs. 195 lbs. 180 lbs.
115 10 HP 205 lbs. 245 lbs. 210 lbs.
130 15 HP 270 lbs. 310 lbs. 290 lbs.
20 HP 321 lbs. 365 lbs. 325 lbs.
30 HP 388 lbs. 420 lbs.
150 30 HP 550 lbs.
40 HP 568 lbs. 655 lbs. 590 lbs.
50 HP 622 lbs. 670 lbs.
175 50 HP 725 lbs.
60 HP 685 lbs. 810 lbs. 715 lbs.
80 HP 750 lbs. 943 lbs. 840 lbs.

Typical Applications (select link for product inquiry)

Application Notes