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Application Guide catalog - Watlow - #129

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Text version of the page
W A T L O
Application Guide
Reference Data
Ref. 128
Temperature Scale
Convert to by...
Fahrenheit
°F = 1.8°C + 32°
Celsius
°C = 59 (°F - 32°)
Rankine
°R = 1.8K + 0.6° °R = °F + 460°
Kelvin
K = 59 (°R - 0.6°) K = °C + 273°
Note: The Kelvin scale uses no "°" symbol.
73
CD
-!
CD 3
o
CD
Ratings of Listed Heater Voltages Operated on Other Voltages—Ref. 129
120 Volts
240 Volts
480 Volts
Output kW of Heater When Operated On:
kW
110
115
208
220
230
440
460
Volts
Volts
Volts
Volts
Volts
Volts
Volts
1.0
0.84
0.92
0.75
0.84
0.92
0.84
0.92
2.0
1.69
1.84
1.50
1.69
1.84
1.69
1.84
3.0
2.53
2.76
2.25
2.53
2.76
2.53
2.76
4.0
3.36
3.67
3.00
3.36
3.68
3.36
3.68
4.5
3.78
4.13
3.38
3.78
4.14
3.78
4.14
5.0
4.20
4.59
3.5
4.2
4.6
4.2
4.6
7.5
6.30
6.89
5.6
6.3
6.9
6.3
6.9
10.0
7.5
8.4
9.2
8.4
9.2
12.5
9.4
10.5
11.5
10.5
11.5
15.0
11.3
12.6
13.8
12.6
13.8
20.0
15.0
16.9
18.4
16.9
18.4
25.0
18.8
21.0
23.0
21.0
23.0
50.0
37.6
42.0
46.0
42.0
46.0
75.0
56.3
63.0
69.0
63.0
69.0
100.0
75.1
84.0
92.0
84.0
92.0
D
Equation:
(V NEW \2 V RATED /
W
= W
NEW
RATED
129
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