Raychem XL-Trace, Installation And Operation Manual

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Raychem-IM-H58033-XLTracePipeFreezeProtectionCOM-EN 18/01
9
Appendix
TaBle a2 maXImUm CIrCUIT lengTh In FeeT
Start-up
temperature
(°C)
CB size
(a)
application 4°C/ 43°C maintain*
Circuit breaker sizing (fm)
5Xl1 8Xl1 5Xl2 8Xl2 12Xl2
120 V 120 V 208 V 240 V 277 V 208 V 240 V 277 V 208 V 240 V 277 V
–29°C
15 31 23 53 54 56 40 42 44 34 35 36
20 41 101 71 72 75 53 56 59 45 46 48
30 61 151 106 108 112 80 84 89 68 69 71
40 82 201 142 145 149 106 112 118 90 92 95
–18°C
15 35 86 61 62 64 45 48 51 36 37 38
20 47 115 81 83 85 61 64 67 49 50 51
30 70 172 121 124 128 91 96 101 73 74 77
40 82 210 143 149 162 113 /122 119 /128 128 /135 97 99 102
–7°C
15 41 100 71 72 74 53 56 59 39 39 41
20 54 133 94 96 99 70 74 78 51 52 54
30 82 200 141 144 149 106 111 117 77 79 81
40 82 210 143 149 162 113 /141 119 /148 128 /156 104 /106 105 108
40°C
15 49 119 85 86 89 63 66 70 43 44 46
20 65 159 113 115 119 84 88 93 58 59 61
30 82 210 143 149 162 113 /127 119 /134 128 /141 87 89 91
40 82 210 143 149 162 113 /169 119 /178 128 /188 104 /121 110 /124 116 /128
10°C
(buried grease)
15 – – – – – 70 73 77 46 47 49
20 – – – – – 93 98 103 62 63 65
30 – – – – – 139 147 155 93 95 98
40 – – – – – 186 195 206 124 126 130
18°C
(indoors
grease)
15 – – – – – 83 87 92 52 53 54
20 – – – – – 110 116 123 69 70 72
30 – – – – – 166 174 184 103 105 108
40 – – – – – 186 201 220 131 140 149
* When circuit breaker sizing is listed in:
• black type, the value is for applications with a 4°C maintain
•
red
type, the value is for applications with a 43°C maintain