Self regulating Heating Cables0 pages
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nnnnOTFfL
nnnnHeating Cable
nnnnSelf regulating, medium temperature
nnnnFor freeze protection or temperature maintainance up to 150 °C. For use in pipes, valves, tanks, etc.
nnnnThe two copper conductors are located within an extrusion of a semi-conductive polymer (ETFE) whose resistance varies with temperature. The
nnnncharacteristic is expoited to supply the required power in proportion to the process temperature and allows the cable to be overlapped without
nnnnburning as the power reduces to almost zero as the polymer temperature limit is approached.
nnnnPoorly insulated cable or cable that cross insulation or voids will not be affected by such use. However it is important to ensure that the pipe
nnnntemperature does not exceed the maximum exposure temperature of the cable either when operating or switched off.
nnnnBase (FEP jacket only)
nnnnReinforced (FEP jacket + tinned-copper braid)
nnnnAnti-COrrOSion (FEP jacket + tinned-copper braid + fuoropolymer overjacket)
nnnnPower at+10 °C (W/m) | Hazardous Areas Class | Part Numbers | ||||
Base | Reinforced | Anti-corrosion | ||||
230 V | 220 V | 240 V | ||||
9 | 8.2 | 9.8 | T4 | CRAR000042 | ||
15 | 13.7 | 16.3 | T4 | CRAR000043 | CRAR000048 | CRAR000053 |
24 | 22.0 | 21.6 | T4 | CRAR000044 | CRAR000049 | CRAR000054 |
31 | 28.4 | 33.8 | T4 | CRAR000045 | CRAR000050 | CRAR000055 |
45 | 41.2 | 49.0 | T3 | CRAR000046 | CRAR000051 | CRAR000056 |
60 | 55.0 | 65.3 | T3 | CRAR000047 | CRAR000052 | CRAR000057 |
| Weight: | 89 g/m | 119 g/m | 149 g/m |
Exposure temperature (even when switched off): minimum -40 °C, maximum +215 °C. Minimum bending radius: 40 mm.
nnnnCertifications (except for Base version): ATEX, FM, CSA, GOST for use in hazardous areas (EExe II T4/T3*).
nnnnParallel construction allows the cable to be cut on site and terminated and spliced by the installer.
nnnnCircuit length up to 190 m long, depending on output, minimum temperature and type of circuit breaker.
nnnnFor quick calculation of cable length: pipe length + 10% for fittings, flanges, etc. Consider more if spirally wound.
nnnnCRAR000047/. 52/ 57
nnnnCRAR000046/,. 51/.. 58
nnnnCRAROO0045/..6O/..55
nnnnCRAR000044/..49/..54
nnnnCRAR000043/..43/..53
nnnnCRAR000042
nnnn10 0 10 20 30 40 50 60 70 80 90 100110120130140150
nnnnPipe Temperature (°C)
nnnnEExe II T4/T3*
nnnn[*): Area class depending on model, see above chart
nnnnAn electrical safety device must be installed
nnnnaccording to the regulations.
nnnnA thermal magnetic circuit breaker (curve C or
nnnnK) with 30 mA differential control must be used
nnnnfor protection.
nnnnMaximum voltage, out of hazardous areas: 277
nnnnStandard versions for 110 V supply are
nnnnavailable on request. Special versions for 24V
nnnnor 48V (min. 1000 m).
nnnnFor selecting the
nnnncalibration of the circuit
nnnnbreaker, use the table on
nnnnthe right, basing on the
nnnnmodel, on the length of
nnnnthe installed cable and
nnnnthe minimum start-up
nnnntemperature. The
nnnnnumbers in italic are the
nnnncable maximum length.
nnnnCalibration (A) | CRAR000042 | CRAR000043 | CRAR000044 | CRAR000045 | CRAR000046 | CRAR000047 | ||||||||||||
CRAR000048 | CRAR000049 | CRAR000050 | CRAR000051 | CRAR000052 | ||||||||||||||
CRAR000053 | CRAR000054 | CRAR000055 | CRAR000056 | CRAR000057 | ||||||||||||||
+10°C | -20° C | -30° C | +10°C | -20° C | -30° C | +10°C | -20° C | -30° C | +10°C | -20° C | -30° C | +10°C | -20° C | -30° C | +10°C | -20°C | -30°C | |
6 | 95 | 60 | 55 | 40 | 35 | 25 | 25 | 20 | 20 | 15 | 15 | 13 | ||||||
10 | 150 | 100 | 95 | 65 | 60 | 45 | 40 | 35 | 30 | 25 | 30 | 20 | ||||||
16 | 187 | 175 | 170 | 117 | 105 | 100 | 92 | 83 | 79 | 61 | 53 | 50 | 47 | 39 | 37 | 37 | 32 | 29 |
20 | 234 | 228 | 225 | 146 | 131 | 126 | 116 | 105 | 102 | 77 | 68 | 65 | 58 | 53 | 50 | 47 | 41 | 39 |
25 | 242 | 238 | 236 | 180 | 160 | 158 | 145 | 130 | 120 | 96 | 85 | 80 | 71 | 66 | 63 | 57 | 50 | 48 |
32 | 253 | 253 | 253 | 234 | 210 | 201 | 187 | 169 | 159 | 125 | 112 | 107 | 94 | 87 | 84 | 74 | 65 | 63 |
40 | 228 | 228 | 228 | 198 | 198 | 198 | 149 | 149 | 143 | 117 | 109 | 103 | 93 | 82 | 77 | |||
50 | 149 | 128 | 128 | 128 | 106 | 106 | 102 |
Heating Cables, PDF-HCA-006-E-1/3
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