SLCBL
Maximum Circuit Length in Feet Vs. Circuit Breaker Size
Start-up Temperature
Circuit
Heat Cable
Breaker
50°F
32°F
-4°F
Type
Size
(10°C)
(0°C)
(-20°C)
10 amp
240
200
140
15 amp
320
300
220
SLCBL3120
20 amp
330
320
265
30 amp
330
320
280
40 amp
330
320
280
10 amp
485
396
275
15 amp
643
606
436
SLCBL3240
20 amp
660
643
530
30 amp
660
643
557
40 amp
660
643
557
10 amp
162
135
105
15 amp
249
215
170
SLCBL5120
20 amp
265
252
215
30 amp
265
252
240
40 amp
265
252
240
10 amp
324
269
209
15 amp
498
429
337
SLCBL5240
20 amp
530
505
433
30 amp
530
505
480
40 amp
530
505
480
10 amp
123
100
54
15 amp
177
145
90
SLCBL8120
20 amp
200
180
115
30 amp
210
180
175
40 amp
210
180
175
10 amp
246
203
108
15 amp
354
291
183
SLCBL8240
20 amp
406
360
229
30 amp
420
360
350
40 amp
420
360
350
10 amp
75
55
45
15 amp
121
85
65
SLCBL10120
20 amp
150
105
80
30 amp
155
120
105
40 amp
180
155
105
10 amp
147
111
85
15 amp
242
177
131
SLCBL10240
20 amp
295
216
164
30 amp
315
246
215
40 amp
360
315
215
10 amp
55
40
30
15 amp
90
60
45
SLCBL12120
20 amp
115
80
60
30 amp
115
90
80
40 amp
120
105
80
10 amp
111
78
59
15 amp
183
124
91
SLCBL10240
20 amp
229
160
124
30 amp
229
180
158
40 amp
240
210
158
®
© BriskHeat
Self Regulating Heating Cable
Heat Output (Watts per Foot)
21
E = 12 W/FT
-40°F
D = 10 W/FT
E
(-40°C)
18
C = 8 W/FT
B = 5 W/FT
115
A = 3 W/FT
D
190
15
225
C
265
265
12
B
232
377
9
A
449
530
530
0
32(0)
50(10) 68(20)
86(30) 104(40) 122(50) 140(60) 158(70)
80
127
Pipe Temperature, °F(°C)
164
200
Voltage Adjustment Factors
200
Watt/ft Output Adjustment Factor
160
Product Type
208 VAC
255
SLCBL3240
0.82
328
400
SLCBL5240
0.85
400
SLCBL8240
0.89
52
SLCBL10240
0.89
82
SLCBL12240
0.89
103
135
160
Max Circuit Length Adjustment Factor
104
Product Type
208 VAC
164
SLCBL3240
0.96
206
SLCBL5240
0.94
275
SLCBL8240
0.92
320
35
SLCBL10240
0.92
55
SLCBL12240
0.92
70
85
105
68
114
141
170
215
25
45
50
60
80
49
85
98
120
158
Figure 15
Corporation. All rights reserved.
21
SLMCBL
Maximum Circuit Length in Feet Vs. Circuit Breaker Size
Circuit
Heat Cable
Breaker
Type
Size
10 amp
15 amp
SLMCBL5120
20 amp
30 amp
40 amp
10 amp
15 amp
SLMCBL5240
20 amp
30 amp
40 amp
10 amp
15 amp
SLMCBL10120
20 amp
30 amp
40 amp
277 VAC
10 amp
1.13
15 amp
1.12
SLMCBL10240
20 amp
30 amp
1.08
40 amp
1.08
10 amp
1.08
15 amp
SLMCBL15120
20 amp
30 amp
277 VAC
40 amp
1.08
10 amp
1.09
15 amp
1.11
SLMCBL15240
20 amp
1.11
30 amp
1.11
40 amp
10 amp
15 amp
SLMCBL20120
20 amp
30 amp
40 amp
10 amp
15 amp
SLMCBL20240
20 amp
30 amp
40 amp
24
Start-up Temperature
50°F
32°F
-4°F
-40°F
21
(10°C)
(0°C)
(-20°C)
(-40°C)
D
110
80
-
-
18
133
105
98
90
15
195
160
148
138
C
12
210
195
170
165
210
195
183
180
9
B
220
160
145
135
6
265
210
195
180
A
390
320
295
275
3
420
390
365
360
0
420
390
340
330
32(0)
75
73
-
-
100
95
80
70
133
148
125
100
174
180
156
130
174
175
156
140
Product Type
150
145
121
114
SLMCBL5240
200
190
160
140
SLMCBL10240
265
295
249
200
347
360
311
280
SLMCBL15240
347
350
311
260
SLMCBL20240
57
51
-
-
Max Circuit Length Adjustment Factor
94
87
57
54
120
108
71
69
Product Type
154
133
80
80
SLMCBL5240
154
133
90
87
SLMCBL10240
114
101
68
65
SLMCBL15240
187
173
114
108
SLMCBL20240
239
216
141
137
308
265
180
173
308
265
160
160
51
41
-
-
82
72
51
49
102
90
67
61
131
115
84
74
150
128
110
95
101
82
62
55
164
144
101
98
203
180
134
121
262
229
167
147
300
255
220
190
Figure 16
®
© BriskHeat
Corporation. All rights reserved.
22
Self Regulating Heating Cable
Heat Output (Watts per Foot)
D = 20 W/FT
C = 15 W/FT
B = 10 W/FT
A = 5 W/FT
68(20)
104(40)
140(60)
176(80)
212(100)
Pipe Temperature, °F(°C)
Voltage Adjustment Factors
Watt/ft Output Adjustment Factor
208 VAC
277 VAC
0.84
1.20
0.85
1.18
0.91
1.09
0.90
1.07
208 VAC
277 VAC
0.95
1.04
0.94
1.06
0.91
1.10
0.91
1.11