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Types AS-2 & LS ROTOVERTER® Rotary Phase Converters For duplex sewage pump stations and duplex water booster stations

cUL - U.S. Listed

ROTOVERTER

Description

An alternative solution to the DUO ADD-A-PHASE® where pump motor loads may vary considerably, Types AS-2 & LS ROTOVERTER – with exclusive tapped winding – allows pump motor currents to be balanced for maximum motor life.

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.

Tech Spec | User Manual

Ronk 5-year phase converter limited warranty

Series

  • 2C-AS-2: Single-phase 240 V input; automatic starting HOA switch
  • 2C-LS: Single-phase 240 V input; pad mount fiberglass enclosure with louvers, heat exhaust fan and locking provision; not UL listed (signaled operation only)
  • 4C-AS-2: Single-phase 480 V input; automatic starting HOA switch
  • 4C-LS: Single-phase 480 V input; pad mount fiberglass enclosure with louvers, heat exhaust fan and locking provision; not UL listed (signaled operation only)
Amp Rating
Dimensions
Shipping Weights
Applications
Converter
Size
Operates Two*
3⌀ Motors
Total
3⌀ Motors
1⌀ Input
FLA
4 KVA 2 HP 18 A 9 A
6 KVA 3 HP 26 A 13 A
10 KVA 5 HP 44 A 22 A
15 KVA 7.5 HP 66 A 33 A
20 KVA 10 HP 88 A 44 A
30 KVA 15 HP 132 A 66 A
40 KVA 20 HP 176 A 88 A
50 KVA 25 HP 220 A 110 A
60 KVA 30 HP 264 A 132 A
80 KVA 40 HP 352 A 176 A

* Other models available for more than two motors

Rotary Base

Rotary Base Dimensions

Frame Converter
Size
A C E 2F G H O P
184 4 KVA 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.
184 6 KVA 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 10 KVA 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 15 KVA 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 20 KVA 15-3/8 in. 15-3/8 in. 5 in. 8-1/4 in. 17/32 in. 12 in. 11-3/4 in.
256 30 KVA 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 40 KVA -
60 KVA
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.
326 80 KVA -
100 KVA
20-7/8 in. 21-1/8 in. 6-1/4 in. 12 in. 10-1/2 in. 21/32 in. 15-5/8 in. 15-1/4 in.

Nema 3R Enclosure: Frame 600

Nema 3R Enclosure Dimensions

Enclosure 600 applies to the following converter sizes:

  • 2C-AS-2:
    • 4 KVA, 6 KVA, 10 KVA (Panel 2)
  • 4C-AS-2:
    • 4 KVA, 6 KVA, 10 KVA, 15 KVA (Panel 2)
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:

  • 2C-AS-2:
    • 15 KVA, 20 KVA (Panel 2)
  • 4C-AS-2:
    • 20 KVA, 30 KVA, 40 KVA (Panel 2)

Enclosure 602 applies to the following converter sizes:

  • 2C-AS-2:
    • 4 KVA, 6 KVA, 10 KVA (Panel 1)
    • 30 KVA, 40 KVA (Panel 2)
  • 4C-AS-2:
    • 4 KVA, 6 KVA, 10 KVA, 15 KVA (Panel 1)
    • 50 KVA, 60 KVA, 80 KVA (Panel 2)
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.

Nema 3R Enclosures: Frames 603, 604 & 605

Nema 3R Enclosure Dimensions

Enclosure 603 applies to the following converter sizes:

  • 2C-AS-2:
    • 15 KVA, 20 KVA, 30 KVA (Panel 1)
    • 50 KVA, 60 KVA, 80 KVA (Panel 2)
  • 4C-AS-2:
    • 20 KVA, 30 KVA, 40 KVA, 50 KVA, 60 KVA (Panel 1)

Enclosure 604 applies to the following converter sizes:

  • 2C-AS-2:
    • 40 KVA, 50 KVA, 60 KVA (Panel 1)
  • 4C-AS-2:
    • 80 KVA (Panel 1)

Enclosure 605 applies to the following converter size:

  • 2C-AS-2:
    • 80 KVA (Panel 2)
Enclosure A B C D E F G
603 17 in. 11 in. 16-1/8 in. 18 in. 10 in. 13 in. 1/2 in.
604 25-1/2 in. 10-15/16 in. 17-5/8 in. 28 in. 14-7/8 in. 15-7/8 in. 1/2 in.
605 25-1/2 in. 11-15/16 in. 20-1/8 in. 28 in. 17 in. 18 in. 1/2 in.

Nema 3R Enclosures: Frames LS-1 & LS-2

Nema 3R Enclosure Dimensions

Enclosure LS-1 applies to the following converter sizes for Types 2C-LS and 4C-LS:

  • 4 KVA, 6 KVA, 10 KVA, 15 KVA, 20 KVA, 30 KVA

Enclosure LS-2 applies to the following converter sizes for Types 2C-LS and 4C-LS:

  • 40 KVA, 50 KVA, 60 KVA, 80 KVA
Enclosure A B C
LS-1 26-1/2 in. 24-1/2 in. 24-1/2 in.
LS-2 44 in. 24-1/2 in. 32 in.

Converter Size & Approximate Shipping Weights

Converter
Size
Weight
2C-AS-2
4C-AS-2
2C-LS
4C-LS
4 KVA 80 lbs. 150 lbs.
6 KVA 85 lbs. 180 lbs.
10 KVA 120 lbs. 185 lbs.
15 KVA 142 lbs. 200 lbs.
20 KVA 217 lbs. 275 lbs.
30 KVA 285 lbs. 310 lbs.
40 KVA 380 lbs. 475 lbs.
50 KVA 400 lbs. 540 lbs.
60 KVA 405 lbs. 545 lbs.
80 KVA 510 lbs. 600 lbs.

Typical Applications (select link for product inquiry)

Application Notes