China OEM Ring main unit Factory –Self-Supporting Aluminum Cable– HolleyDetail:
Specifications
DESCRIPTION | Unità | Valore | Valore | Valore | Valore | Valore | |
1 | Generale |
| 3×35 + 1×16 + NA25 mm2 | 3×50 + 1×16 + NA35mm2 | 3×70 + 1×16 + NA50 mm2 | 3×25 + 1×16 + NA25 mm2 | 3X120 + 1X16 + NA70 mm2 |
| Manufacturing standard |
| NTP 370.254 | NTP 370.254 | NTP 370.254 | NTP 370.254 | NTP 370.254 |
2 | DESIGNATION | Caai | Caai | Caai | Caai | Caai | |
| Rated Voltage Uo / U | kV | 0,6 / 1 | 0,6 / 1 | 0,6 / 1 | 0,6 / 1 | 0,6 / 1 |
3 | TERMS OF USE | ||||||
| Maximum temperature in permanent regime. | C | 90 | 90 | 90 | 90 | 90 |
| Maximum temperature in overload regime. | C | 130 | 130 | 130 | 130 | 130 |
| Maximum temperature in short-circuit mode (5 s) | C | 250 | 250 | 250 | 250 | 250 |
4 | CABLES GATHERING: | ||||||
| Maximum wireways, depending on the diameter of thePhase wire | Tempi | 60 | 60 | 60 | 60 | 60 |
5 | PHASE CABLE: | ||||||
| Standard | NTP IEC 60228 | NTP IEC 60228 | NTP IEC 60228 | NTP IEC 60228 | NTP IEC 60228 | |
| Materiale | Pure uncoated aluminum | Pure uncoated aluminum | Pure uncoated aluminum | Pure uncoated aluminum | Pure uncoated Aluminum | |
| Nominal section | mm2 | 35 | 50 | 70 | 25 | 120 |
| Classe | 2 | 2 | 2 | 2 | 2 | |
| Minimum number of wires | Innò. | 7 | 6 | 12 | 6 | 15 |
| Maximum electrical resistance in DC at 20 ° C | Ohm / KM | 0.868 | 0.641 | 0.443 | 1.20 | 0.253 |
| Insulation | ||||||
| Materiale | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | ||
| XLPE requirement | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | ||
| Minimum content of carbon black in XLPE | % | 2 | 2 | 2 | 2 | 2 | |
| Minimum average thickness | mm | 1.14 | 1.52 | 1.52 | 1.14 | 2.03 | |
| Minimum thickness at one point | mm | 1.03 | 1.37 | 1.37 | 1.03 | 1.83 | |
6 | STREET LIGHT CABLE | ||||||
| Standard | NTP IEC 60228 | NTP IEC 60228 | NTP IEC 60228 | NTP IEC 60228 | NTP 370.250 | |
| Materiale | Pure Aluminum without Coating | Pure uncoated aluminum | Pure uncoated aluminum | Pure uncoated aluminum | Pure uncoated aluminum | |
| Nominal section | mm2 | 16 | 16 | 16 | 16 | 16 |
| Classe | 2 | 2 | 2 | 2 | 2 | |
| Minimum number of wires | Innò. | 7 | 6 | 6 | 6 | 6 |
| Maximum electrical resistance in DC at 20 ° C | Ohm / KM | 1.91 | 1.91 | 1.91 | 1.91 | 1.91 |
| Insulation | ||||||
| Materiale | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | |
| XLPE requirement | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | |
| Minimum content of carbon black in XLPE | % | 2 | 2 | 2 | 2 | 2 |
| Minimum average thickness | mm | 1.14 | 1.14 | 1.14 | 1.14 | 1.14 |
| Minimum thickness at one point | mm | 1.03 | 1.03 | 1.03 | 1.03 | 1.03 |
7 | NEUTRAL CABLE SUPPORT | ||||||
| Standard | NTP 370.258 | NTP 370.258 | NTP 370.258 | NTP 370.258 | NTP 370.258 | ||
| Cable Material | Aluminium alloy | Aluminium alloy | Aluminium alloy | Aluminium alloy | Aluminium alloy | ||
| Conductivity | % IACS | 52.5 | 52.5 | 52.5 | 52.5 | 52.5 | |
| Nominal section | mm2 | 25 | 35 | 50 | 25 | 70 | |
| Number of wires | 7 | 7 | 7 | 7 | 7 | ||
| Wire diameter | mm | 2.13 | 2.52 | 3,023 | 2.13 | 3.57 | |
| Minimum tensile strength | kN | 7.72 | 10.81 | 15.44 | 7.72 | 20.95 |
| Nominal Mass | kg / km | 68.4 | 95.7 | 136.8 | 68.4 | 191.5 |
| Density at 20 ° C | kg / m3 | 2703 | 2703 | 2703 | 2703 | 2703 |
| Electrical resistivity at 20 ° C | Ωmm2 / m | 0.032840 | 0.032840 | 0.032840 | 0.032840 | 0.032840 |
| Maximum electrical resistance in DC at 20 ° C | Ω / Km | 1.3511 | 0.9651 | 0.6755 | 1.3511 | 0.4825 |
| Insulation | ||||||
| Materiale | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | Cross-linked polyethylene XLPE | ||
| XLPE requirement | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | According to table 2 of NTP 370.254 | ||
| Minimum content of carbon black in XLPE | % | 2 | 2 | 2 | 2 | 2 | |
| Minimum average thickness | mm | 1.14 | 1.14 | 1.52 | 1.14 | 1.52 | |
| Minimum thickness at one point | mm | 1.03 | 1.03 | 1.37 | 1.03 | 1.37 |
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