2.1 Surface Area and Power Output
of Therma Cable Products
208V = 75% of wattage at 240V.
7
2.
Te
ch
nic
al
Inf
orm
atio
n
Product #
120V
Length
Surface 12 W/sq. ft. Surface 9 W/sq. ft.
Power
Resistance
ft.
m
sq. ft.
sq. m
sq. ft.
sq. m
Watts
ohm
OTR0082
32
9.75
8
0.7
11
1.0
85
169.4
OTR0122
40
12.19
10
0.9
13
1.2
120
120.0
OTR0152
52
15.85
13
1.2
17
1.6
150
96.0
OTR0172
60
18.29
15
1.4
20
1.9
170
84.6
OTR0242
80
24.38
20
1.9
27
2.5
240
59.9
OTR0302
100
30.48
25
2.3
33
3.1
300
47.5
OTR0362
120
36.58
30
2.8
40
3.7
360
39.6
OTR0422
140
42.67
35
3.3
47
4.3
420
33.7
OTR0472
160
48.77
40
3.7
53
5.0
475
29.8
OTR0602
200
60.96
50
4.6
67
6.2
600
23.3
OTR0722
240
73.15
60
5.6
80
7.4
720
19.0
OTR0842
280
85.34
70
6.5
93
8.7
840
16.2
OTR0962
320
97.54
80
7.4
107
9.9
960
14.2
Product #
240V/208V
Length
Surface 12 W/sq. ft. Surface 9 W/sq. ft.
Power
Resistance
ft.
m
sq. ft.
sq. m
sq. ft.
sq. m
Watts
ohm
OTR0170
60
18.29
15
1.4
20
1.9
170
338.8
OTR0240
80
24.38
20
1.9
27
2.5
240
240.0
OTR0300
100
30.48
25
2.3
33
3.1
300
192.0
OTR0360
120
36.58
30
2.8
40
3.7
360
159.8
OTR0420
140
42.67
35
3.3
47
4.3
420
137.0
OTR0475
160
48.77
40
3.7
53
5.0
475
121.1
OTR0600
200
60.96
50
4.6
67
6.2
600
95.0
OTR0720
240
73.15
60
5.6
80
7.4
720
79.2
OTR0840
280
85.34
70
6.5
93
8.7
840
67.4
OTR0960
320
97.54
80
7.4
107
9.9
960
59.0
OTR1080
360
109.73
90
8.4
120
11.2
1080
51.8
OTR1200
400
121.92
100
9.3
133
12.4
1200
46.6
OTR1440
480
146.30
120
11.1
160
14.9
1440
37.9
OTR1600
560
170.69
140
13.0
187
17.4
1600
34.1
OTR1920
640
195.07
160
14.9
213
19.8
1920
28.4
Summary of Contents for Therma Cable
Page 1: ...INSTALLATION GUIDE October 2009 Edition...
Page 2: ......