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Technical Information: Electrical Charts and Conversions Convectronics Manufactures First Class Heaters, Temperature Sensors and Precise Controls, Assists with Design and Application Needs.

HEATERS   SENSORS   CONTROLS

Operating Instructions
Performance Characteristics
Power and Flow Graphs
Electrical Data: Connections and Wiring
Time and Temperature Data
Temperature Conversion, Element Melting Points
Properties of Refractory and Ceramic Materials
Refractory Metals Corrosion Resistance Guide
Tubing, Sheath, Prot. Tube, Well Materials Guide
RTD and Thermistor Resistance vs. Temp. Table
Thermocouple Reference Tables N.I.S.T °C:
Thermocouple Reference Tables N.I.S.T °F:
Electrical Charts & Conversions
Temperature Equivalents & Conversions
Equivalents & Conversions
Customer Application Data Sheet / RFQ

Technical Information
Electrical Charts and Conversions

   
  Ohm's Law
Amperage Conversion Table
     
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
14.50 7.25
7000 58.3 29.2 14.59 16.9 8.5
8000 66.7 33.3 16.67 19.3
9.65
9000 75.0 37.5 18.75
21.7 10.85
10000 83.3 41.7 20.85 24.1 12.1
     
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
     
 
Percent Rated Watts on Reduced Voltage
 
 
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%
 
   
  W2 = New wattage
         output
W1 = Rated wattage
e2 =  Applied voltage
e1 =  Rated voltage
 
 
 
 
 
Three Phase Circuits
 
 
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
     
       
  Wattage Change with Voltage Change
       
 
 
 
   
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Convectronics, Inc.   •   Ward Hill Industrial Park West, 111 Neck Road Haverhill, MA 01835 USA   •   978-374-7714
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