SINGLE CORE FIRE RESISTANT

Application

These cables are designed for installations in trunking and conduits where a fire situation may pose a major hazard. Circuit integrity is
maintained and to achieve optimum performance such cables should be installed in metal conduits.

Standard

Adapted to EN 50525-3-41

Technical Data

Voltage rating : 450 / 750 V
Operating temperature : -20°C to + 90°C (the cable should not be flexed when the temperature is below 0°C)
Minimum Bending Radius : 8 x Overall diameter

Cable Construction

Conductors : Stranded plain annealed copper conductor to BS EN 60228, class 2.
Insulation : Mica (fire resistant) tape covered by an extruded layer of cross - linked low smoke zero halogen (LS0H), insulating compound

*Sheathed version also available. Details available on request.

Properties

Circuit Integrity for installation in metal conduits : BS 6387 categories C, W & Z (when applied to a single cable)
Exceeds IEC 60331 - 3 hours at 750°C - when the test temperature was increased to 950°C, equivalent to BS 6387 category C
Acid Gas Emission : IEC 60754-1, BS EN 50267-2-1
Smoke Emission : IEC 61034, BS EN 50268
Flame Propagation : EN 60332-1, EN 60332-3, BS EN 50265, BS EN 50266

Cable Technical Data

Kindly complete the part numbers for these cables by adding the suffix (in place of ‘xx’) for the insulation colour required :
01 – green, 02 – black, 03 – red, 04 – blue, 05 – yellow, 06 – green / yellow, 09 – brown, 12 – grey.

Part Number Nominal CrossSectional Area (Sq. mm) Insulation Thickness (mm) Max. Overall Diameter (mm) Approx. Cable Weight (kg/km)
10040101xx60 1.5 0.7 3.8 32
10040102xx60 2.5 0.8 4.5 43
10040103xx60 4 0.8 5.0 55
10040104xx60 6 0.8 5.5 85
10040105xx60 10 1.0 7.0 146
10040106xx60 16 1.0 8.0 198
10040107xx60 25 1.2 9.7 320
10040108xx60 35 1.2 10.8 410
10040109xx60 50 1.4 13.3 549
10040110xx60 70 1.4 15.1 770
10040111xx60 95 1.6 17.5 1140
10040112xx60 120 1.6 19.2 1425
10040113xx60 150 1.8 21.2 1720
10040114xx60 185 2.0 23.6 2155

Current Rating – Single Core Fire Resistant

Current Carrying Capacity (Amperes).

Conductor Cross Sectional area Reference Method A (Enclosed in Conduits in Thermally Insulating Wall, etc.) Reference Method B (Enclosed in Conduits on a Wall or in Trunking, etc.) Reference Method C (Clipped Direct) Reference Method F (in Free Air or on Perforated Cable Tray etc. Horizontal or Vertical etc.) Touching Reference Method G (in free air) Spaced byOne Cable Diameter
2 Cable, Single-Phase AC or DC 3 or 4 Cables,Three-Phase AC 2 Cable, Single-Phase AC or DC 3 or 4 Cables,Three-Phase AC 2 Cable, Single-Phase AC or DC Flat andTouching 3 or 4 Cables, Three-Phase AC Flat andTouching orTrefoil 2 Cable, Single-Phase AC or DC Flat 3 Cables, Three-Phase AC Flat 3 Cables, Three-Phase AC Trefoil 2 Cable, Single-Phase AC or DC or 3 Cables. Three-Phase AC Flat
Horizontol Vertical
1 2 3 4 5 6 7 8 9 10 11 12
(mm²) (A) (A) (A) (A) (A) (A) (A) (A) (A) (A) (A)
1 14 13 17 15 19 17.5
1.5 19 17 23 20 25 23
2.5 26 23 31 28 34 31
4 35 31 42 37 46 41
6 45 40 54 48 59 54
10 61 54 75 66 81 74
16 81 73 100 88 109 99
25 106 95 133 117 143 130 161 141 135 182 161
35 131 117 164 144 176 161 200 176 169 226 201
50 158 141 198 175 228 209 242 216 207 275 246
70 200 179 253 222 293 268 310 279 268 353 318
95 241 216 306 269 355 326 377 342 328 430 389
120 278 249 354 312 413 379 437 400 383 500 454
150 318 285 393 342 476 436 504 464 444 577 527
185 362 324 449 384 545 500 575 533 510 661 605
240 424 380 528 450 644 590 679 634 607 781 719
300 486 435 603 514 743 681 783 736 703 902 833
400 683 584 868 793 940 868 823 1085 1008
500 783 666 990 904 1083 998 946 1253 1169
630 900 764 1130 1033 1254 1151 1088 1454 1362
800 1288 1179 1358 1275 1214 1581 1485
1000 1443 1323 1520 1436 1349 1775 1671

Ambient temperature: 30°C. Conductor operating temperature: 90°C.

Notes:
1 Where a conductor operates at a temperature exceeding 70°C it must be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see Regulation 512.1.2).
2 Where cables in this table are connected to equipment or accessories designed to operate at a temperature not exceeding 70°C, the current ratings given in the equivalent table for 70°C thermoplastic insulated cables (Table 4DIA ) must be used (see also Regulation 523.1).
3 The above table is in accordance with Table 4E1A of the 17th Edition of IEE Wiring Regulations.

Voltage drop – Single Core Fire Resistant

Voltage Drop (per ampere per meter).

Conductor Cross Sectional area 2 Cable DC 2 Cables, Single-Phase AC 3 or 4 Cables, Three-Phase AC
Reference MethodA & B (Enclosedin Conduit orTrunking ) Reference Methods C, F & G (Clipped Direct, on Tray or in Free Air) Reference Method A & B (Enclosed in Conduit or Trunking) Reference Method C, F & G (Clipped Direct, on Tray or in Free Air)
Cable Touching Cable Spaced Cables Touching,Tre foil Cables Touching, Flat Cables Spaced*, Flat
1 2 3 4 5 6 7 8 9
(mm²) (mV/A/m) (mV/A/m) (mV/A/m) (mV/A/m) (mV/A/m) (mV/A/m) (mV/A/m) (mV/A/m)
1 46 46 46 46 40 40 40 40
1.5 31 31 31 31 27 27 27 27
2.5 19 19 19 19 16 16 16 16
4 12 12 12 12 10 10 10 10
6 7.9 7.9 7.9 7.9 6.8 6.8 6.8 6.8
10 4.7 4.7 4.7 4.7 4.0 4.0 4.0 4.0
16 2.9 2.9 2.9 2.9 2.5 2.5 2.5 2.5
    r x z r x z r x z r x z r x z r x z r x z
25 1.85 1.85 0.31 1.90 1.85 0.190 1.85 1.85 0.28 1.85 1.6 0.27 1.65 1.6 0.165 1.6 1.6 0.190 1.6 1.60 0.27 1.65
35 1.35 1.35 0.29 1.35 1.35 0.180 1.35 1.35 0.27 1.35 1.15 0.25 1.15 1.15 0.155 1.15 1.15 0.180 1.15 1.15 0.26 1.2
50 0.99 1.00 0.29 1.05 0.99 0.180 1.00 0.99 0.27 1.00 0.87 0.25 0.90 0.86 0.155 0.87 0.86 0.180 0.87 0.86 0.26 0.89
70 0.68 0.70 0.28 0.75 0.68 0.175 0.71 0.68 0.26 0.73 0.6 0.24 0.65 0.59 0.150 0.61 0.59 0.175 0.62 0.56 0.25 0.65
95 0.49 0.51 0.27 0.58 0.49 0.170 0.52 0.49 0.26 0.56 0.44 0.23 0.5 0.43 0.145 0.45 0.43 0.170 0.46 0.43 0.25 0.49
120 0.39 0.41 0.26 0.48 0.39 0.165 0.43 0.39 0.25 0.47 0.35 0.23 0.42 0.34 0.140 0.37 0.34 0.165 0.38 0.34 0.24 0.42
150 0.32 0.33 0.26 0.43 0.32 0.165 0.36 0.32 0.25 0.41 0.29 0.23 0.37 0.28 0.140 0.31 0.28 0.165 0.32 0.28 0.24 0.37
185 0.25 0.27 0.26 0.37 0.26 0.165 0.30 0.25 0.25 0.36 0.23 0.23 0.32 0.22 0.140 0.26 0.22 0.165 0.24 0.170 0.24 0.29
240 0.190 0.21 0.26 0.33 0.20 0.160 0.25 0.195 0.25 0.31 0.185 0.22 0.29 0.170 0.140 0.22 0.170 0.165 0.24 0.170 0.24 0.29  
300 0.155 0.175 0.25 0.31 0.160 0.160 0.22 0.155 0.25 0.29 0.150 0.22 0.27 0.140 0.140 0.195 0.135 0.160 0.21 0.135 0.24 0.26
400 0.120 0.140 0.25 0.29 0.130 0.155 0.20 0.125 0.24 0.27 0.125 0.22 0.25 0.110 0.135 0.175 0.110 0.160 0.195 0.110 0.24 0.26
500 0.093 0.120 0.25 0.29 0.105 0.155 0.185 0.098 0.24 0.26 0.100 0.22 0.24 0.090 0.135 0.160 0.880 0.160 0.180 0.085 0.24 0.25
630 0.072 0.100 0.25 0.27 0.086 0.155 0.175 0.078 0.24 0.25 0.088 0.21 0.23 0.074 0.135 0.150 0.710 0.160 0.170 0680 0.23 0.24
800 0.056 0.072 0.150 0.170 0.064 0.24 0.25 0.062 0.130 0.145 0.059 0.155 0.165 0.055 0.23 0.24
1000 0.045 0.063 0.150 0.165 0.054 0.24 0.24 0.055 0.130 0.140 0.050 0.155 0.165 0.047 0.23 0.24

Conductor Operating Temperature: 90°C.
r = Resistive Component.
x = Reactive Component.
z = Impedance Value.
*Spacings larger than those specified in Method 12 (see table 4A of the 17th Edition of IEE Wiring Regulations) will result in larger volt drop.
The above table is in accordance with Table 4E1B from the 17th Edition of IEE Wiring Regulations.



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