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Heaters • Sensors • Controls |
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Technical Information
Electrical Charts and Conversions |
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Ohm's Law |
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| Amperage Conversion Table |
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| Watts |
Volts - Single Phase |
Volts - 3-Phase
Balanced Load |
| 120 |
240 |
480 |
240 |
480 |
| 100 |
.83 |
.42 |
.21 |
.24 |
.13 |
| 150 |
1.25 |
.63 |
.31 |
.36 |
.18 |
| 200 |
1.67 |
.83 |
.42 |
.49 |
.25 |
| 250 |
2.08 |
1.04 |
.52 |
.61 |
.30 |
| 300 |
2.50 |
1.25 |
.63 |
.73 |
.37 |
| 350 |
2.92 |
1.46 |
.73 |
.85 |
.43 |
| 400 |
3.33 |
1.67 |
.84 |
.97 |
.49 |
| 450 |
3.75 |
1.88 |
.93 |
1.10 |
.55 |
| 500 |
4.17 |
2.08 |
1.04 |
1.20 |
.60 |
| 600 |
5.00 |
2.50 |
1.25 |
1.45 |
.73 |
| 700 |
5.83 |
2.92 |
1.46 |
1.70 |
.85 |
| 800 |
6.67 |
3.33 |
1.67 |
1.93 |
.97 |
| 900 |
7.5 |
3.75 |
1.87 |
2.17 |
1.09 |
| 1000 |
8.33 |
4.17 |
2.10 |
2.41 |
1.21 |
| 1100 |
9.17 |
4.58 |
2.30 |
2.65 |
1.33 |
| 1200 |
10.0 |
5.00 |
2.51 |
2.90 |
1.45 |
| 1250 |
10.4 |
5.21 |
2.61 |
3.10 |
1.55 |
| 1300 |
10.8 |
5.42 |
2.71 |
3.13 |
1.57 |
| 1400 |
11.7 |
5.83 |
2.91 |
3.38 |
1.69 |
| 1500 |
12.5 |
6.25 |
3.12 |
3.62 |
1.82 |
| 1600 |
13.3 |
6.67 |
3.34 |
3.86 |
1.93 |
| 1700 |
14.2 |
7.08 |
3.54 |
4.10 |
2.05 |
| 1800 |
15.0 |
7.5 |
3.75 |
4.34 |
2.17 |
| 1900 |
15.8 |
7.92 |
3.96 |
4.58 |
2.29 |
| 2000 |
16.7 |
8.33 |
4.17 |
4.82 |
2.41 |
| 2200 |
18.3 |
9.17 |
4.59 |
5.30 |
2.65 |
| 2500 |
20.8 |
10.4 |
5.21 |
6.10 |
3.05 |
| 2750 |
23.0 |
11.5 |
5.73 |
6.63 |
3.32 |
| 3000 |
25.0 |
12.5 |
6.25 |
7.23 |
3.62 |
| 3500 |
29.2 |
14.6 |
7.30 |
8.45 |
4.23 |
| 4000 |
33.3 |
16.7 |
8.33 |
9.64 |
4.82 |
| 4500 |
37.5 |
18.8 |
9.38 |
10.84 |
5.42 |
| 5000 |
41.7 |
20.8 |
10.42 |
12.1 |
6.1 |
| 6000 |
50.0 |
25.0 |
12.50
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14.50 |
7.25 |
| 7000 |
58.3 |
29.2 |
14.59 |
16.9 |
8.5 |
| 8000 |
66.7 |
33.3 |
16.67 |
19.3
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9.65 |
| 9000 |
75.0 |
37.5 |
18.75
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21.7 |
10.85 |
| 10000 |
83.3 |
41.7 |
20.85 |
24.1 |
12.1 |
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| Percent Rated Watts on Reduced Voltage |
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230-volt heater on 208 volts - 82%
240-volt heater on 208 volts - 75%
480-volt heater on 277 volts - 33%
480-volt heater on 440 volts - 84%
480-volt heater on 318 volts - 44%
550-volt heater on 480 volts - 76% |
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W2 = New wattage
output
W1 = Rated wattage
e2 = Applied voltage
e1 = Rated voltage |
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| Three Phase Circuits |
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Wattage Change with Voltage Change |
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> To Top |
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