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Help CenterPower Cable in Low Voltage With Fire Resistance | Flame Retardance
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Power Cable in Low Voltage with Fire Resistance|Flame Retardance
Product Description
1kV/3kV XLPE insulated (flame-retardant) power cable uses XLPE insulation and PVC sheath that are both flame-retardant. Compared with common PVC insulated type, it features stable performance and good flame-retardant property. Meanwhile, it is cheaper than the XLPE insulated type with same specification. Thus, it is suitable for places where good fire resistance is required but environmental requirement is not very strict.
1). Standards for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
The XLPE insulated (flame-retardant) power cable meets the GB/T 12706-2008 standard which is equal to IEC 60502-2005. Meanwhile, the flame-retardant property conforms to GB/T 18380.3-2008 which is the same as IEC 60332-2004.
2). Application Properties for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
1. Rated voltage U0/U: 0.6/1kV
2. Long-term working temperature: 90℃
3. Short circuit: Cable temperature ≤250℃, lasting time ≤5 seconds
4. Minimum bending radius during laying: 20 times of overall cable diameter for single core type, and 15 times for multi-core type.
5. Additionally, the ambient temperature when laying cable should not be lower than 0℃, otherwise, preheating is required. The laying is not limited by the drop height.
3). Cable Length for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
Power cable is usually delivered in drum, and the total length is often longer than 100 meters. Short cable can also be delivered, but it should not be shorter than 20m, and its amount should not exceed 10% of total length. The cable can be delivered at any length, and this is negotiable. In addition, the length error is within ±0.5%.
4). Model Explanation for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
| Cable Model | Descriptions for Power Cable | Applications for (Flame Retardant Electric Cable | |
| Cu Core | Al Core | ||
| YJL YJVR(YJRV) | YJLV | XLPE insulated and PVC sheathed (flame-retardant) power cable | It can be laid indoors and outdoors, such as tunnel, cable duct, loose soil, etc. It can not bear external mechanical force, but a certain tensile force can be applied during laying. In addition, the single core type is not allowed to be installed in magnetic pipes. |
| YJV22 | YJLV22 | XLPE insulated, steel tape armored and PVC sheathed (flame-retardant) power cable | It is placed outdoors, and burying in the ground is also suitable. Meanwhile, external mechanical force is applicable, but big tensile force is forbidden. |
| YJV32 | YJLV32 | XLPE insulated, thin steel wire armored and PVC sheathed (flame-retardant) power cable | It is used in water, vertical well or places with high drop height, and it can bear external mechanical force and fairly large tensile force. |
| YJV42 | YJLV42 | XLPE insulated, thick steel wire armored and PVC sheathed (flame-retardant) power cable | It can be laid in vertical well, sea floor or places with high drop height. Pretty big positive pressure and tensile force are both applicable. |
Note:
1. The models also contain flame-retardant type.
2. When signing the contract, the flame retardant type must be specified. For example, if type A is preferred, please add "A" to the end of "ZR", forming "ZRA", and A is usually used in places where the flame-retardant property is highly required. B and C follow the same rule. In addition, if there is no letter after "ZR", the cable will be produced following "ZRC".
5). Production Range for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
| Cable Model | Nominal Cross Section (mm2) | |||||
| Single Core | Two Core | Three Core | Four Core | Five Core | ||
| YJV | YJLV | 1.5-800 | 1.5-300 | 1.5-400 | 1.5-400 | 1.5-300 |
| YJV22 | YJLV22 | - | 4-300 | 4-400 | 4-400 | 4-300 |
| YJV32 | YJLV32 | 10-800 | 4-300 | 4-400 | 4-400 | 4-300 |
| YJV42 | YJLV42 | 10-800 | 4-300 | 4-400 | 4-400 | 4-300 |
Note:
Flame-retardant type is also produced.
6). Correction Factors of Current Capacity for Different Thermal Resistivity Coefficients of Soil
| Rated Voltage (kV) | Cross Section (mm2) | Thermal Resistivity Coefficient of Soil (K·m/W) | ||||
| 0.8 | 1.0 | 1.2 | 1.5 | 2.0 | ||
| 0.6/1 1.8/3 | 35 and below | 1.06 | 1.00 | 0.95 | 0.88 | 0.87 |
| 50-100 | 1.08 | 1.00 | 0.94 | 0.87 | 0.77 | |
| 185 and above | 1.09 | 1.00 | 0.93 | 0.85 | 0.76 |
|
Note: Thermal resistivity coefficient of soil: PT=1.0 K•m/W.
7). Correction Factors of Current Capacity at Different Ambient Temperature
| Operating Temperature (℃) | Air Temperature (℃) | Soil Temperature (℃) | ||||||||||||||
| 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | |
| 90 | 1.26 | 1.22 | 1.18 | 1.14 | 1.09 | 1.04 | 1.00 | 0.94 | 0.89 | 1.14 | 1.11 | 1.07 | 1.04 | 1.00 | 0.96 | 0.92 |
Note: Ambient temperature: 40℃ for air and 25℃ for soil.
8). Structure for for Power Cable in Low Voltage with Fire Resistance|Flame Retardance
Quality Assurance:
With Yiteng, all cables are produced by strict inspection and testing:
1). Raw Material: Copper, Aluminium, PVC, PE and XLPE granules and all other materials for producing cables are all inspected carefully automatically. Only the qualified will be applied into cable production, the disqualified will be rejected.
2). Production Procedure: Cables in Yiteng are produced by advanced cable production machines.
3). Testing: Cables in Yiteng will not be packed until they are tested totally qualified. Cable Testing Machines includes Online Core Shift Detection Device, Tension Tester, Aging Test Chamber, Experimental Apparatus of Combustion, Insulation Resistance Tester and etc…
4). Package and Shippment:
With Yiteng Cable,
1. Cables are packed in standard export drums or other ways per customer's requirement;
2. Cables are handled and shipped carefully to ensure perfect package upon customer's receipt.
Service Commitment-Why Choose US?
Yiteng Cable Technology Hebei Co., Ltd. sincerely ensure every present and potential customers and friends that we will always:
1. Make A Response with 12 Hours to All Custoemers;
2. ISO9001, ISO14001, CCC Certificates for Factory and Cable Products;
3. Factory Direct Supply and OEM Service of Cable Products;
4. Yiteng Cable will not only serve goods before selling, but will be better and better during sales and after sales;
5. All Customers' Information will be kept confidential without permission.
6. Yiteng Cable can also help customers to seek for and inspect goods and factories of other categories once our cable deal is stable.
Company Profile:
Yiteng Cable Technology Hebei Co.,Ltd. is a specialized manufacturer of cables, including:
√ Aluminum Alloy Cable with or without Armor and Interlock,
√ Control Cable with Multi-Cores,
√ Computer Cable with Individual and General Shileding and PE/ PVC/ XLPE Insulation,
√ Shielded Cable or Screened Cable,
√ ABC Cable in Aluminum for Overhead Application,
√ Power Cable with PE/PVC/XLPE Insulation and PVC Sheath and Armor,
√ Rubber Cable for General Purposes, Welding Machines or for Mining,
√ Armored Cable with Steel Tape or Steel Wire Armor,
√ PVC Cable with PVC Insulation and PVC Sheath,
√ Low Voltage Power Cable,
√ Medium Voltage Power Cable,
√ Fire Resistant Cable and Flame Retardant Cable,
√ Mining Cable, Flexible Rubber Mining Cable, PVC and XLPE Insulated Power Mining Cable,
√ High Temperature Cable, including silicone rubber insulated cable and Teflon insulated cable
Questions and Answers!
Experts of Yiteng Cable will always wait to answer all your questions!
We hope to get in touch with you!
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