Self Regulating Heating Cable
© BriskHeat
®
Corporation. All rights reserved.
19
Maximum Circuit Length in Feet Vs. Circuit Breaker Size
Heat Cable Type
Circuit
Breaker
Size
Start-up Temperature
50°F
(10°C)
0°F
(-18°C)
-20°F
(-29°C)
SLMCAB5120
15 amp
150
135
130
20 amp
200
180
170
30 amp
240
220
210
SLMCAB5240
15 amp
250
230
220
20 amp
330
305
295
30 amp
480
440
420
SLMCAB10120
15 amp
90
85
80
20 amp
120
110
105
30 amp
180
165
160
SLMCAB10240
15 amp
140
130
125
20 amp
190
175
170
30 amp
280
260
250
SLMCAB15120
15 amp
70
65
60
20 amp
90
85
80
30 amp
130
125
120
SLMCAB15240
15 amp
100
95
90
20 amp
135
125
120
30 amp
200
185
180
Voltage Adjustment Factors
Power Adjustment Factor
Product Type
208 VAC
277 VAC
SLMCAB5240
0.78
1.25
SLMCAB10240
0.86
1.16
SLMCAB15240
0.92
1.09
SLMCAB
Figure 13
Heat Output (Watts per Foot)
Po
w
er Outp
ut,
W
/ft
C = 8 W/FT
B = 5 W/FT
A = 3 W/FT
20
16
12
8
4
0
0 (-18)
50 (10)
100 (38)
150 (66)
200 (93)
250 (121)
Pipe Temperature, °F(°C)
Self Regulating Heating Cable
© BriskHeat
®
Corporation. All rights reserved.
20
Maximum Circuit Length in Feet Vs. Circuit Breaker Size
Voltage Adjustment Factors
Watt/ft Output Adjustment Factor
Product Type
208 VAC
277 VAC
SLHCAB10240
0.88
1.14
SLHCAB20240
0.94
1.08
SLHCAB30240
0.99
1.01
SLHCAB
Figure 14
Heat Cable Type
Circuit
Breaker
Size
Start-up Temperature
50°F
(10°C)
-0°F
(-20°C)
-50°F
(-45°C)
SLHCAB5120
10 amp
240
140
115
15 amp
320
220
190
20 amp
330
265
225
SLHCAB5240
10 amp
485
275
232
15 amp
643
436
377
20 amp
660
530
449
SLHCAB10120
10 amp
162
105
80
15 amp
249
170
127
20 amp
265
215
164
SLHCAB10240
10 amp
324
209
160
15 amp
498
337
255
20 amp
530
433
328
SLHCAB15120
10 amp
123
54
52
15 amp
177
90
82
20 amp
200
115
103
SLHCAB15240
20 amp
406
229
206
30 amp
420
350
275
40 amp
420
350
320
SLHCAB20120
10 amp
75
45
35
15 amp
121
65
55
20 amp
150
80
70
SLHCAB20240
20 amp
295
164
141
30 amp
315
215
170
40 amp
360
215
215
SLHCAB25120
10 amp
55
30
25
15 amp
90
45
45
20 amp
115
60
50
SLHCAB25240
20 amp
229
124
98
30 amp
229
158
120
40 amp
240
158
158
SLHCAB30120
20 amp
229
124
98
30 amp
229
158
120
40 amp
240
158
158
SLHCAB30240
20 amp
229
124
98
30 amp
229
158
120
40 amp
240
158
158
F = 30 W/FT
E = 25 W/FT
D = 20 W/FT
C = 15 W/FT
B = 10 W/FT
A = 5 W/FT
Heat Output (Watts per Foot)
Po
w
er Outp
ut,
W
/ft
Pipe Temperature, °F(°C)