Single to Three Phase Converters
Helping people get work done on the farm or in the shop since 1975.
Phase-O-Matic converters provide three phase power that isn't available from the power utility or is too costly. It can be used with any three phase application supplying power to multiple motors, resistive, inductive and CNC loads.
KARAM has new and used converters in stock, plus offers full servicing and repair on your existing KARAM phase converter.
1-800-293-8969
KARAM Mfg is a small family owned business in southern Minnesota.
KARAM has changed hands through the years, ending back up where it started! We welcomed back home KARAM Mfg on May 14th, 2021.
KARAM’s customer service is superb and knowledgeable and is here to help with any questions you may have!
Phase-O-Matic
Features:
• Supply power to multiple motors.
• Motors can vary in horsepower, and frequent starts.
• Our phase converters have an efficient power factor.
• Underwriter's Lab (U.L.) Listed.
• 1 year warranty against workmanship or manufacturer’s defects.
• Operates on 240v or 460v utility supplied power.
• Simple installation.
• American made motors.
• Capacity range is from 10 horsepower to 125 horsepower.
• 1.4" screen mesh covering on intakes to inhibit rodent access.
1-800-293-8969
Phase-O-Matic
Work out the size you need:
Estimate the size you need by following these three easy steps:
1. List all motors on the system by size and type of use
2. Add up the horse power rating of each motor to get the total system horse power
3. Find the model on the chart that correlates to the total system horse power and largest motor on the system.
| Model | Total System HP |
Full Load Largest Motor HP |
3 Phase Amps (240/480) |
|---|---|---|---|
| RT-5 | 10 | 5 | 30/15 |
| RT-7.5 | 15 | 7.5 | 44/22 |
| RT-10 | 20 | 10 | 56/28 |
| RT-15 | 30 | 15 | 84/42 |
| RT-20 | 40 | 20 | 108/54 |
| RT-25 | 50 | 25 | 136/68 |
| RT-30 | 60 | 30 | 160/80 |
| RT-40 | 80 | 40 | 208/104 |
| RT-50 | 100 | 50 | 260/130 |
| RT-60 | 120 | 60 | 308/154 |
Phase-O-Matic
240 volt requirements - suggested*
| Model | Single Phase Disconnect Switch |
Utility Transformer |
L1 / L2 Wire Size |
| RT-5 | 100 | 10 | 6 |
| RT-7.5 | 100 | 15 | 3 |
| RT-10 | 200 | 25 | 1 |
| RT-15 | 200 | 37.5 | 3/0 |
| RT-20 | 400 | 37.5 | 4/0 |
| RT-25 | 400 | 50 | 350 MCM |
| RT-30 | 400 | 75 | 400 |
| RT-40 | 600 | 100 | 700 |
| RT-50 | 600 | 100 | 2-300 |
| RT-60 | 600 | 125 | 2-400 |
*please consult local electrical codes and actual
installation power requirements
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Contact Us
Please call 1-800-293-8969, use the online form or mail to Karam Manufacturing, Inc. 1005 N Main St, Blue Earth MN 56013 for pricing or sizing information.
Helping people get work done on the farm or in the shop since 1975.