Superior Phase Converters

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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 XR5 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 Rotary Converter model that meets your maximum power requirements click here: Phase Converter Models.


8. Note: all amperage (amps) figures shown below are for units configured for 208-240 volts. Where applicable, for operation at 440-460 volts, devide amperage figures by two for corrected capacity. POWER WAVE XR units are only operable on 208-240 volts.

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Rotary Phase Converter Sizing Charts

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.

POWER-WAVE™ and TRU-WAVE™ Lines

Largest HP Motor Load			Maximum Total Motor Group HP Load	Maximum CNC Load		Converter Maximum Output Amps (*R)	Maximum Single Phase Supply Breaker (A)	Converter Model Number
Easy	Medium	Hard		Amps	kW
2.2	1.5	1	2.5	0-4	0-1.3	6	15	6500-2KW replaced by XR2 - Buy »
2.2	1.5	1	2.5	0-4	0-1.3	6	15	XR2 more - Buy »
3.3	2.5	1.7	3.8	0-9	0-2.4	10	40	XR3 more - Buy »
5HP	3.8HP	2.5HP	5.6HP	0-10A	0-3	14A	50A	XR5 more - Buy »
5	3	2	5.5	0-9.4	0-2.8	16	50	6500-5KW Replaced by XR5 - Buy »
6.7HP	5.0HP	3.3HP	7.5HP	0-13A	0-4	19A	60A	XR7 more - Buy »
7.5HP	5HP	3HP	7.5HP	0-12.2A	0-3.7	22A	60A	6500-7.5KW more - Buy »
10HP	7.5HP	5HP	11HP	0-18.7A	0-5.6	31A	80A	6500-11KW Replaced by XR11 - Buy »
13.3HP	10HP	6.7HP	15HP	0-25A	0-8	38A	100A	XR15 more - Buy »
15HP	10HP	7.5HP	15HP	0-25.2A	0-7.5	39A	100A	6500-15KW Replaced by XR15 - Buy »
20HP	15HP	10HP	22.5HP	0-37A	0-11.6	55A	100A	XR21 more - Buy »
20HP	15HP	10HP	22.5HP	0-36A	0-11.3	53A	90A	AC21 more - Buy »
27HP	20HP	13.3HP	30HP	0-48A	0-15.3	72A	125A	AC29 more - Buy »
33.3HP	25HP	17HP	37.5HP	0-62A	0-19.6	92A	150A	AC36 more - Buy »
40HP	30HP	20HP	45HP	0-70A	0-22.3	105A	180A	AC44 more - Buy »
50HP	37.5HP	25HP	56.3HP	0-86A	0-27	128A	225A	AC55 more - Buy »

* Maximum output for resistive or inductive loads only.

*R = Use this column for resistive load sizing: ovens, heaters, spot welders, etc.

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POWER-WAVE ™ XR-p Phase Converter Panel Line

XRp Model	Largest HP Motor Load			Maximum Total Motor Group HP Load	Maximum CNC Load		Converter Maximum Output Amps (*R)	Maximum Single Phase Supply Breaker (A)	Factory Direct Price
	Easy	Medium	Hard		Amps	kW
XR2p view »	2	1.5	1	2.5	0-4	0-1.0	6	15	$99 view »
XR3p view »	3.3	2.5	1.6	4	0-7	0-1.5	10	20	$119 view »
XR5p view »	5	3.8	2.5	5.6	0-10	0-2.5	14	30	$149 view »
XR7p view »	6.7	5	3.3	7.5	0-13	0-3.5	19	50	$189 view »

*R = Use this column for resistive load sizing: ovens, heaters, spot welders, etc.

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TITAN™ Series

Titan Models	More Information	Largest HP Motor Load			Max Load (HP)	Resistive 230V / 460V	Inductive 230V / 460V	Factory Direct Price
		Easy	Medium	Hard
TXR75	230V / 460V	66HP	50HP	33HP	75HP	185A / 92A	160A/ 80A	$14,418.82
TXR90	230V / 460V	80HP	60HP	40HP	90HP	210A / 105A	182A / 91A	$16,245.81
TXR110	230V / 460V	100HP	75HP	50HP	112.5HP	257A / 128A	222A / 111A	$18,543.75
TXR125	230V / 460V	120HP	90HP	60HP	135HP	315A / 158A	273A / 137A	$20,435.39
TXR165	230V / 460V	150HP	112.5HP	75HP	169HP	385A / 192A	333A / 167A	$25,191.19
TXR220	230V / 460V	200HP	150HP	100HP	225HP	513A / 257A	445A / 222A	$31,387.10
TXR250	230V / 460V	250HP	187.5HP	125HP	281HP	617A / 308A	534A / 267A	$38,338.85
TXR300	230V / 460V	300HP	225HP	150HP	337.5HP	743A / 371A	644A / 322A	$41,151.81
TXR400	230V / 460V	400HP	300HP	200HP	450HP	990A / 495A	858A / 429A	$55,461.98
TXR500	230V / 460V	500HP	375HP	250HP	562.5HP	1238A / 619A	1073A / 536A	$72,950.21
TXR600	230V / 460V	600HP	450HP	300HP	675HP	1485A / 743	1287A / 644A	$83,336.88
TXR700	230V / 460V	700HP	525HP	350HP	787.5HP	1733A / 866A	1502A / 751A	$94,915.86
TXR800	230V / 460V	800HP	600HP	400HP	900HP	1980A / 990A	1716A / 858A	$105,302.53
TXR900	230V / 460V	900HP	675HP	450HP	11012.5HP	2228A / 1114A	1931A / 965A	$117,522.34
TXR1000	230V / 460V	1000HP	750HP	500HP	1125HP	2475A / 1238A	2145A / 1073A	$127,909.01

*R = Use this column for resistive load sizing: ovens, heaters, spot welders, etc.

Ordering is as easy as 1, 2, 3.

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