BS 6883 / 658TQ Type SW4 Armoured Cable

BS 6883 / 658TQ Type SW4 Armoured Cable

Cable Construction
Conductor1.0mm² to 1.5mm²: Class 5 tinned copper conductor according to BS EN 60228 (previously BS 6360)
2.5mm² and above: Class 2 tinned copper conductor according to BS EN 60228 (previously BS 6360)
InsulationHalogen free elastomer EPR Type GP4 according to BS 7655
Inner SheathHOFR (Heat and Oil Resistant and Flame Retardant), halogen-free elastomer Type SW4 according to BS 7655
ArmourGalvanized steel wire braid*
Outer SheathHOFR (Heat and Oil Resistant and Flame Retardant), halogen-free elastomer Type SW4 according to BS 7655
BeddingSuitable tape between the braid and outer sheath
Note* Tinned copper wire braid version available on request

Dimensions

No. of CoresConductor ClassNominal Cross Sectional Area mm²Nominal Thickness of Insulation mmNominal Thickness of Inner Sheath mmNominal Diameter of Steel Wires in Braid mmNominal Thickness of Outer Sheath mmNominal Overall Diameter mmNominal Weight kg/km
2510.810.31.211.6200
251.50.81.10.31.212.4241
222.50.81.10.31.213.4283
22411.20.31.315.6387
22611.20.31.416.9476
221011.30.31.419.2627
221611.40.31.522853
22251.21.50.31.726.11212
22351.21.60.31.828.81532
22501.41.70.452332038
22701.41.90.452.137.12680
22951.62.10.452.342.23593
221201.62.20.452.546.24291
221501.82.30.452.650.55120
2218522.50.452.855.76404
222402.22.80.453.162.88210
223002.430.453.369.110016
3510.81.10.31.212.2237
351.50.81.10.31.212.9263
322.50.81.10.31.314.1323
32411.20.31.316.3439
32611.20.31.417.7547
321011.30.31.520.4743
321611.40.31.623.31029
32251.21.60.31.827.81515
32351.21.70.451.931.42032
32501.41.80.452352547
32701.420.452.239.63340
32951.62.20.452.445.54514
321201.62.30.452.649.35408
321501.82.50.452.854.36587
3218522.70.45359.98197
322402.22.90.453.26710475
323002.43.20.453.574.112878
4510.81.10.31.212.9262
451.50.81.10.31.313.9301
422.50.81.10.31.315.1384
42411.20.31.417.7532
42611.30.31.519.4673
421011.40.31.622.3917
421611.50.31.725.61287
42251.21.70.451.931.31999
42351.21.80.45234.22525
42501.41.90.452.238.73159
42701.42.10.452.443.74226
42951.62.30.452.650.25718
421201.62.50.452.854.66876
421501.82.70.45360.18357
4218522.90.453.266.310406
422402.23.20.453.574.613363
423002.43.50.453.882.416433
551.50.81.10.31.314.8351
522.50.81.20.31.316.3441
751.50.81.20.31.316.8452
722.50.81.20.31.418.6577
1251.50.81.30.31.520.1621
1222.50.81.40.31.622.6836
1951.50.81.40.31.624.1888
1922.50.81.50.31.727.11202
2751.50.81.60.31.827.51162
2722.50.81.70.451.931.41714
37*51.50.81.70.451.932.11608

* Based on Standard

Class 2 Stranded Conductors for Single Core and Multi-Core Cables

Nominal Cross
Sectional Area mm²
Minimum No. Of Wires In ConductorMaximum Resistance
of Conductor At 20ºC
CircularAnnealed Copper Conductor
CuMetal-Coated Wires ohms/km
2.577.56
474.7
673.11
1071.84
1671.16
2570.734
3570.529
50190.391
70190.27
95190.195
120370.154
150370.126
185370.1
240370.0762
300610.0607

Class 5 Flexible Conductors for Single Core and Multi-Core Cables
Nominal Cross Sectional Area mm²Maximum Diameter of Wires in Conductor mmMaximum Resistance of Conductor at 20°C
Plain Wires ohms/kmMetal-Coated Wires ohms/km
10.2119.520
1.50.2613.313.7

Current Carrying Capacity
Nominal Cross
Sectional Area mm²
Single Core
Amps
2 Core
Amps
3 and 4 Core
Amps
5 Core
Amps
7 Core
Amps
10 Core
Amps
12 Core
Amps
16 Core
Amps
19 Core
Amps
20 Core
Amps
24 Core
Amps
27 Core
Amps
30 Core
Amps
37 Core
Amps
118151310.59887776665
1.52320161210998776.56.566
2.5302621161513121110109.5998
4403428-----------
6524436-----------
10726150-----------
16968267-----------
2512710889-----------
35157133110-----------
50196167137-----------
70242206169-----------
95293249205-----------
120339288237-----------
150389331272-----------
185444377311-----------
240522444365-----------
300601511421-----------

Ambient Air Temperature of 45°C

De-Rating Factors

Ambient Temperature °C
35404550556065707580
DE-RATING FACTOR1.11.0510.940.880.820.740.670.580.47

Where more than six bunched cables on cable trays, in cable conduits, pipes or trunking are to expected to operate simultaneously full rated capacity, a correction of 0.85 should be applied

power-accessories01

Our power cables have many accessories.

For more information, don’t hesitate to call us on 0121 508 6890 or get in touch via our Contact Page.

BS 6883 / 658TQ Type SW4 Armoured Cable

BS 6883 657TQ Type SW4 Cable

Cable Construction
Conductor1mm² to 1.5mm²: Class 5 tinned copper conductor according to BS EN 60228 (previously 6360)
2.5mm² and above: Class 2 tinned copper conductor according to BS EN 60228 (previously 6360)
InsulationHalogen free elastomer compound EPR Type GP4 according to BS 7655
SheathHOFR (Heat and Oil Resistant and Flame Retardant), halogen free elastomer compound Type SW4 according to BS 7655

Dimensions

No. of CoresConductor ClassNominal Cross Sectional Area mm²Nominal Thickness of Insulation mmNominal Thickness of Outer Sheath mmNominal Overall Diameter mmNominal Weight kg/km
1510.814.834
151.50.815.140
122.50.815.654
124116.578
126117.1101
1210118.1144
121611.19.5216
12251.21.211.4328
12351.21.212.6429
12501.41.314.3551
12701.41.316753
12951.61.418.61049
121201.61.520.31274
121501.81.622.41568
1218521.724.91949
122402.21.8282530
123002.41.930.93134
124002.6235.34258
125002.82.239.35337
2510.818.186
251.50.81.18.5103
222.50.81.19.5140
22411.211.6210
22611.212.7270
221011.314.9391
221611.417.5574
22251.21.521.2864
22351.21.623.71129
22501.41.726.91452
22701.41.930.81991
22951.62.135.92766
221201.62.239.13338
221501.82.343.24097
3510.81.18.4100
351.50.81.19122
322.50.81.110.1169
32411.212.3257
32611.213.5335
321011.315.9490
321611.418.6732
32251.21.622.71121
32351.21.725.41474
32501.41.828.91893
32701.42332611
3295.62.238.53638
321201.62.341.94400
321501.82.546.55425
3218522.751.86754
322402.22.958.68770
4510.81.19.1122
451.50.81.19.8149
422.50.81.111210
42411.213.4321
42611.315428
421011.417.6627
421611.520.7940
42251.21.725.31442
42351.21.828.31899
42501.41.932.12439
42701.42.136.73370
42951.62.342.84700
421201.62.546.85710
421501.82.751.97035
551.50.81.110.7180
522.50.81.212.2260
52411.315.2394
52611.416.9463
521011.519.6685
751.50.81.212.8252
722.50.81.214.4359
1251.50.81.315.6370
1222.50.81.417.9543
1951.50.81.419.4570
1922.50.81.522.2842
2751.50.81.622.4766
3751.50.81.726.21037

Class 5 Flexible Copper Conductors
Nominal Cross Sectional Area mm²Maximum Diameter of Wires in Conductor mmMaximum Resistance of Conductor at 20°C
Plain Wires ohms/kmMetal-Coated Wires ohms/km
10.2119.520
1.50.2613.313.7

Class 2 Stranded Copper Conductors
Nominal Cross
Sectional Area mm²
Minimum No. Of Wires In ConductorMaximum Resistance
of Conductor At 20ºC
CircularCircular CompactedShapedAnnealed Copper Conductor
CuAlCuAlCuAlMetal-Coated Wires ohms/km
2.57- 6---7.56
47-6---4.7
67-6---3.11
107766--1.84
167766--1.16
257766660.734
357766660.529
50191966660.391
701919121212120.27
951919151515150.195
1203737181518150.154
1503737181518150.126
1853737303030300.1
2403737343034300.0762
3006161343034300.0607
4006161535353530.0475
5006161535353530.0369

Current Carrying Capacity
Nominal Cross
Sectional Area mm²
Single Core
Amps
2 Core
Amps
3 and 4 Core
Amps
5 Core
Amps
7 Core
Amps
12 Core
Amps
19 Core
Amps
27 Core
Amps
37 Core
Amps
118151310.5-----
1.52320161210976.56
2.53026211615121098
4403428------
6524436------
10726150------
16968267------
2512710889------
35157133110------
50196167137------
70242206169------
95293249205------
120339288237------
150389331272------
185444377311------
240522444365------
300601511421------
400719611503------
500827703579------
Ambient Air Temperature of 45°C

De-Rating Factors

Ambient Temperature °C
35404550556065707580
DE-RATING FACTOR1.11.0510.940.880.820.740.670.580.47

When more than six bunched cables on cable trays, in cable conduits, pipes or trunking are expected to operate  simultaneously full rated capacity, a correction factors of 0.85 should be applied.

 

 

 

 

power-accessories01

Our power cables have many accessories.

For more information, don’t hesitate to call us on 0121 508 6890 or get in touch via our Contact Page.