Type 331 and 321 Flexible Trailing Cable Mining Cable 1900/3300V
Type 331 and 321 Flexible Trailing Cable Mining Cable 1900/3300V image
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Product Details
Product Description
Type 331 and 321 Flexible Trailing Cables with Galvanised Steel Pliable Wire Armouring
1900/3300 volt in accordance with BS 6708:1998 For use as mine roadway extension cables and mechanically protected trailing cables in quarries. BCS 504 refers
Item Description Details
| Item | Description | Details |
| 1 | Phase conductor | (3 off) TAC flex conductors |
| 2 | Phase insulation | Extruded MEPR black |
| 3 | Phase identification | Proofed tape – red, yellow, brown |
| 4* | Phase core screen | Composite copper/nylon braid |
| 5 | Earth conductor | (1 off) TAC flex conductor |
| 6 | Earth insulation | Extruded MEPR black |
| 7 | Earth identification | Proofed tape – green, yellow |
| 8 | Lay up | 3 power cores + 1 earth core laid up around an elastomeric centre |
| 9 | Bedding sheath | Extruded PCP black |
| 10 | Pliable armour | Galvanized steel wires |
| 11 | Overall sheath | Extruded heavy duty PCP black with blue stripe |
* Does not apply to Type 321
Description
Type 331 Flexible tinned annealed copper (TAC) conductors, MEPR insulated, 3 copper/nylon screened power cores plus 1 unscreened earth core, laid up around a PCP centre, elastomeric bedding sheathed overall with a heavy duty flame retardant elastomeric compound.
Type 321 As type 331, except that the power cores are unscreened.
| Nominal Cross-sectional Area of Conductor (Sq.mm) | Max. Resistance of Class 2 Conductor at 20ºC (Ω/km) |
|
| Copper Conductor | Aluminum Conductor | |
| 0.5 | 36.0 | |
| 0.75 | 24.5 | |
| 1 | 18.1 | |
| 1.5 | 12.1 | |
| 2.5 | 7.41 | |
| 4 | 4.61 | 7.41 |
| 6 | 3.08 | 4.61 |
| 10 | 1.83 | 3.08 |
| 16 | 1.15 | 1.91 |
| 25 | 0.727 | 1.20 |
| 35 | 0.524 | 0.868 |
| 50 | 0.387 | 0.641 |
| 70 | 0.268 | 0.443 |
| 95 | 0.193 | 0.320 |
| 120 | 0.153 | 0.253 |
| 150 | 0.124 | 0.206 |
| 185 | 0.0991 | 0.164 |
| 240 | 0.0754 | 0.125 |
| 300 | 0.0601 | 0.100 |
| 400 | 0.0470 | 0.0778 |
| 500 | 0.0366 | 0.0605 |
| 630 | 0.0283 | 0.0469 |
| 800 | 0.0221 | 0.0367 |
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Tags: Ltd., Qifan Cable Co., Type 321 Trailing Cable, Type 331 Trailing Cable
