Tower Electric Motor Company Rotary Phase Converter Division
Superior Rotary Phase Converters
Choosing the right size TEMCo Rotary Phase Converter
TEMCo's Superior Rotary Phase Converters produce clean, quality 3-phase power suitable for most any application. For motor type loads see the sizing chart below. For resistive type loads such as ovens, heaters and spot welders click here. For sizing information to power non-motor applications such as transformer type welders, power supplies, battery chargers, CNC machines, computers, lasers or any 3-phase need, call us at (510) 490-2187. We will help you choose the right model to power your application.

Motor Load Application Phase Converter Sizing Guide

  1. What is the HP of the largest 3-phase motor you will need to start?
  2. Is it Easy, Medium or Hard to start? (Click here for starting load help)
  3. Find the appropriate column and motor hp. (Easy, Medium or Hard)
  4. Consider your Total Motor Group Load. (Total HP of motors that will be run, but not started at the same time)
  5. Chose the TEMCo Rotary Converter size that accommodates the power you will need by following the horizontal line to the right. You can always use a TEMCo Rotary Phase Converter that supplies more power than you need now, but one that does not supply enough KW power output will not work.
  6. Be sure you have a large enough single phase supply breaker. The single phase breaker should be two times the amps of your 3-phase motor/load up to the maximum recommended breaker size. (If you plan to run your TEMCo Phase Converter on a single phase generator, be sure to size your generator at three times the KW of the size of phase converter to accommodate the phase converter's inrush current.  For instance, if you will be using a 6500-5KW Phase Converter, then you would need a 15KW single phase generator to run it on.  If you are running the phase converter on utility supplied power, this does not apply: size breaker as directed above.)
  7. Next select the TEMCo Series 6000 GP or 6500 Rotary Converter model that meets your maximum power requirements click here: Phase Converter Models.
Largest HP Motor to Start
Maximum Total Motor Group HP Load
Converter Protection Fuses
Maximum Single Phase Supply Breaker
Starting KW Power Required for Application
Converter Maximum Output Amps (*R)
Converter Model #
Easy
Medium
Hard
3/4
1/2
1/3
3/4
5
15
750W
1
TEMRS6000-750W
2
1.5
1
2.5
10
15
2KW
6
TEMRS6000-2KW
3
2
1.5
4
15
30
3KW
12
TEMRS6000-3KW
5
3
2
5.5
20
40
5KW
16
6500-5KW
7.5
5
3
7.5
30
50
7KW
22
6500-7.5KW
10
7.5
5
11
40
70
11KW
31
6500-11KW
15
10
7.5
15
60
100
15KW
39
6500-15KW
20
15
10
22
80
125
21KW
52.5
TEMRS6000-21KW
30
20
13
30
100
175
29KW
73.5
TEMRS6000-29KW
40
25
15
37.5
120
200
36KW
96
TEMRS6000-36KW
50
30
20
45
140
250
44KW
105
TEMRS6000-44KW
60
35
25
56
160
300
55KW
129
TEMRS6000-55KW
75
50
30
75
180
350
74KW
175.5
TEMRS6000-74KW
100
60
40
90
280
500
87KW
210
TEMRS6000-87KW
110
70
40
125
320
550
110KW
255
TEMRS6000-110KW
150
100
60
150
350
700
125KW
361
TEMRS6000-125KW
180
105
75
170
480
825
165KW
381
TEMRS6000-165KW

For larger size motor loads and large 3-phase loads, TEMCo manufactures larger Phase Converters and Motor Generator Sets.

* Call for further details or specific application questions.
*
Click here to determine if your specific application is Easy, Medium or Hard to Start.
* Remember- using a larger phase converter than you currently need is safe, but one that is too small will not work. Purchasing a size larger will help you plan for the future, in case you need additional power as new equipment is added.
*R = Use this column for resistive load sizing: ovens, heaters, spot welders, etc.

7. Next select the TEMCo Series 6000 GP or 6500 Rotary Converter model that meets your maximum power requirements click here: Phase Converter Models.

Ordering is as easy as 1, 2, 3.

rotary phase converter

2. We Accept Visa, Discover
American Express, Master Card.

3. We'll ship your order to
you asap.

Order your three phase converter, motor, or generator with VISA, Master Card, American Express, etc., Today!

We will ship it to you asap! or We will ship your converter, power generator or motor asap!

We also accept Wire Transfer, Money Orders, etc.

And by other professional trucking companies.


RFQ and Order Fax: (510) 490-1507
We appreciate feedback, send us email us at info@phaseconverter.com
please include a phone # to reach you.

TEMCo US + International 510-490-2187
TEMCo US Only 800-613-2290

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