Hubbell Electric Heater Company HSE User Manual
Page 20
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20
SECTION VI –
MISCELLANEOUS CHARTS AND FORMULAS
FORMULAS
3-PHASE ELEMENT CHART
Power (kW)
Resistance (Ohms)
Element
Part #
208V 240V 480V
Immersion
Length
Hairpin
1
Φ
3
Φ DELTA 3 Φ WYE
2-38683N
2.5
3 4 13"
57.6 19.2
57.6
38.6
3-38683N 3 4 5
13"
43.2 14.4
43.2
28.9
4-38683N 4 5 6
13"
34.4 11.5
34.4
23.0
5-38683N 5 6 8
13"
27.9
9.3
27.9
18.7
6-38683N 6 8 10 13"
21.6
7.2
21.6
14.5
7-38683N 8 10 12 13"
17.1
5.7
17.1
11.5
8-38683N
10
12 15
13"
14.4
4.8
14.4
9.6
9-38683N 12 15 20
15"
12.1
4.0
12.1
8.1
10-38683N
15
20 ----
15"
9.1
3.0
9.1
6.1
11-38683N 17.3 ---- ----
15"
7.5
2.5
7.5
5.0
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