Class 2 1*95mm2 Wire Single Core Shielded Cable PVC Jacket For Building Power
Class 2 1*95mm2 Wire Single Core Shielded Cable PVC Jacket For Building Power
Product Summary
ZR-YJV 1*95mm² Single Core Cable, 0.6/1kV Solid Copper, XLPE Insulation PVC Jacket for Building Power Cable Designation & Meaning Code Meaning ZC Flame retardant C — IEC 60332-3-24, Category C YJ Cross-linked polyethylene (XLPE) insulation V PVC sheath 1×95 mm² Single core, 95 mm² copper conductor ...
Product Details
Highlight:
Class 2 single core shielded cable
,1*95mm2 single core shielded cable
,Building Power wire single core
Conductor:
Bare Annealed Copper, Class 2 Stranded Circular, 19×∅2.59 Mm (typical), Conductor Ø ≈ 12.9 Mm
Conductor nominal area:
95 Mm²
Conductor construction:
Class 2, 19×∅2.59 Mm Min. 19 Wires Per GB/T 3956 (>35 Mm²)
Conductor diameter (approx.):
12.9 Mm
Insulation:
XLPE Compound, Extruded
Insulation thickness:
1.1 Mm (GB/T 12706.1, 70–95–120 Mm² Class)
Diameter over insulation (approx.):
15.1 Mm(12.9 + 2×1.1)
Filler / binder:
Flame-retardant (FR) Non-hygroscopic Tape / PP Mesh
Outer sheath:
Flame-retardant PVC Compound (ZR Grade) — Contains Halogen, Not Low-smoke
Sheath nominal thickness:
1.4 Mm Single-core PVC
Overall cable diameter:
19.5 – 20.5 Mm PVC Density; Use 20.0 Mm For Design
Approx. weight:
930 – 980 Kg/km
Long-term service temperature:
90 °C
Short-circuit temperature (≤5 s):
250 °C
Emergency overload:
105–130 °C (limited Duration)
Routine test:
3.5 KV AC / 5 Min; Type Test 4.0 KV
Volume resistivity @90 °C:
≥ 10¹² Ω·cm
Product Description
ZR-YJV 1*95mm² Single Core Cable, 0.6/1kV Solid Copper, XLPE Insulation PVC Jacket for Building Power
Cable Designation & Meaning
|
Code |
Meaning |
|---|---|
|
ZC |
Flame retardant C — IEC 60332-3-24, Category C |
|
YJ |
Cross-linked polyethylene (XLPE) insulation |
|
V |
PVC sheath |
|
1×95 mm² |
Single core, 95 mm² copper conductor |
Construction: Single Class 2 stranded copper conductor, XLPE insulation, PVC outer sheath (no armour, no shield).
ZR-YJV 1×95 mm² — Product Data Sheet
Executive summary — ZR-YJV 1×95 is a single-core, fire-retardant, copper/XLPE/PVC power cable rated 0.6/1 kV, engineered to GB/T 12706.1 / IEC 60502-1 for dependable low-voltage energy delivery where flame-spread limitation matters. With a 95 mm² copper path, it is the natural choice for heavy feeders, motor circuits and substation auxiliary supplies.
Design & Construction, Layer by Layer
The cable is a coaxial build of three functional shells:
| Shell | Material & build | Key figures |
|---|---|---|
| Core (conductor) | Plain annealed copper, Class 2, 19 × 2.52 mm (19/2.52, lay-up 1+6+12) | Ø ≈ 12.1 mm (up to 12.6 mm non-compact); DC resistance ≤ 0.193 Ω/km @ 20 °C |
| Dielectric (insulation) | Cross-linked polyethylene (XLPE), thermoset | 1.1 mm wall; Ø over insulation ≈ 14.3 mm |
| Jacket (outer sheath) | Flame-retardant PVC, ST2, black | 1.5 mm wall; overall Ø ≈ 17.6 mm (17.3–17.6 mm) |
Cable weight ≈ 747 kg/km (740–747 kg/km) and rated voltage 0.6/1 kV (Um = 1.2 kV), 50 Hz.
2.Performance Profile
- Conductivity: 19-wire stranding keeps ohmic loss low (≤ 0.193 Ω/km), easing voltage-drop compliance on long runs.
- Dielectric strength: the cross-linked wall passes a 3.5 kV / 5 min AC routine test; material volume resistivity ≥ 1×10¹² Ω·cm; finished-cable insulation resistance ≥ 36.7 MΩ·km @ 20 °C (typical).
- Thermal rating: 90 °C continuous, 250 °C short-circuit (≤ 5 s); service ambient −20…+45 °C; laying ≥ 0 °C.
- Fire behaviour: "ZR" = class ZC per GB/T 19666; passes GB/T 18380.12 single test and class-C bunched test (GB/T 18380.35, char ≤ 2.5 m, ≥ 1.5 L/m non-metallic content).
- Current-carrying capacity (reference): ≈ 345 A in air (single core, 30 °C); direct burial ≈ 335–350 A, subject to derating per GB/T 16895 / IEC 60364.
- Laying flexibility: minimum bending radius 20 × OD for single-core runs; post-install site test DC 4U0 = 2.4 kV / 15 min (Q/GDW 13244.1-2018 practice).
3.Parameter Highlights
- Core: 95 mm²; 19/2.52; Ø ≈ 12.1 mm — Insulation: 1.1 mm — Jacket: 1.5 mm — OD 17.3–17.6 mm — Weight ≈ 747 kg/km — Standard drum length 100 m.
| ZR-YJV 1×95 mm² Flame-Retardant Copper-Conductor XLPE-Insulated PVC-Sheathed Power Cable — Product Parameters (0.6/1 kV) | |||||
| Construction: CU / XLPE / PVC • Standards: GB/T 12706.1, IEC 60502-1 (cable), GB/T 3956 (conductor), GB/T 19666 & GB/T 18380 (flame retardance) • Nominal values for reference — confirm against factory test certificate | |||||
| No. | Category | Parameter | Value | Unit | Notes / Standard Reference |
| A. Product Identification | |||||
| 1 | Identification | Product name | Flame-retardant copper-conductor XLPE-insulated PVC-sheathed power cable | — | Designation ZR-YJV; "ZR" = flame-retardant (halogen-containing) |
| 2 | Identification | Model designation | ZR-YJV 1×95 | — | Cu / XLPE / PVC |
| 3 | Identification | Design standards | GB/T 12706.1; IEC 60502-1 | — | Conductor: GB/T 3956 / IEC 60228; flame retardance: GB/T 19666, GB/T 18380; safety: CCC / production licence |
| 4 | Identification | Rated voltage U0/U | 0.6/1 | kV | Max system voltage Um = 1.2 kV |
| 5 | Identification | Rated frequency | 50 | Hz | AC power distribution |
| 6 | Identification | Number of cores | 1 | — | Single-core cable |
| 7 | Identification | Nominal cross-sectional area | 95 | mm² | Nominal conductor cross-section per GB/T 3956 |
| B. Cable Construction (from conductor to outer sheath) | |||||
| 8 | Conductor | Material | Plain annealed copper (Cu) | — | High-conductivity electrolytic / oxygen-free copper |
| 9 | Conductor | Conductor class | Class 1 or Class 2 (typical: Class 2, stranded) | — | GB/T 3956 / IEC 60228 |
| 10 | Conductor | Typical stranding construction | 19 wires × 2.52 mm (19/2.52, lay-up 1+6+12) | — | Class 2 round stranded; nominal section ≈ 95 mm² |
| 11 | Conductor | Conductor diameter | ≈ 12.1 | mm | ≈ 12.1 mm compact (12.1–12.6 mm; 19/2.52 → ≈ 12.6 mm regular stranding) |
| 12 | Conductor | Max. DC resistance of conductor at 20 °C | 0.193 | Ω/km | GB/T 3956, Class 2 copper; acceptance criterion for 95 mm² |
| 13 | Insulation | Material | Cross-linked polyethylene (XLPE) | — | Thermally cross-linked; natural/transparent colour |
| 14 | Insulation | Nominal insulation thickness | 1.1 | mm | GB/T 12706.1 / IEC 60502-1 (0.6/1 kV, 95 mm²) |
| 15 | Insulation | Diameter over insulation | ≈ 14.3 | mm | ≈ 12.1 + 2 × 1.1 (calculated) |
| 16 | Sheath | Material | Flame-retardant polyvinyl chloride (PVC, ST2 type) | — | Colour: black (or as ordered) |
| 17 | Sheath | Nominal sheath thickness | 1.5 | mm | GB/T 12706.1 / IEC 60502-1 |
| 18 | Dimensions | Approx. overall diameter | 17.3–17.6 | mm | Qifan 17.6 mm; Weiguang 17.3 mm |
| 19 | Dimensions | Approx. cable weight | ≈ 747 | kg/km | Range 740–747 kg/km across manufacturers (Qifan 747; Weiguang 740) |
| C. Electrical Performance | |||||
| 20 | Electrical | Max. DC conductor resistance at 20 °C | 0.193 | Ω/km | GB/T 3956; routine measurement |
| 21 | Electrical | Power-frequency withstand voltage (routine test) | 3.5 kV / 5 min, no breakdown | — | AC 50 Hz; per GB/T 12706.1 / IEC 60502-1 |
| 22 | Electrical | Insulation resistance (finished cable, 20 °C) | ≥ 36.7 | MΩ·km | Typical finished-cable requirement for 0.6/1 kV XLPE cables; varies with geometry and manufacturer test method |
| 23 | Electrical | XLPE volume resistivity at 20 °C | ≥ 1 × 10¹² | Ω·cm | Material-level requirement (manufacturer reference) |
| 24 | Electrical | Capacitance (single-core, approx.) | ≤ 0.45 | μF/km | Manufacturer reference value |
| 25 | Electrical | Reference ampacity — in air, 30 °C, single core | ≈ 345 | A | Reference value (Guangheng); depends on laying, grouping, ambient — apply correction factors per GB/T 16895 / IEC 60364 |
| 26 | Electrical | Reference ampacity — direct burial, 25 °C | ≈ 335–350 | A | Reference value; depends on soil thermal resistivity and depth (reference range) |
| D. Thermal Performance | |||||
| 27 | Thermal | Max. continuous conductor temperature | 90 | °C | XLPE insulation temperature class |
| 28 | Thermal | Max. conductor temperature under short-circuit (≤ 5 s) | 250 | °C | Per GB/T 12706.1 / IEC 60502-1 |
| 29 | Thermal | Ambient service temperature range | -20 to +45 | °C | Per Qifan datasheet; check project specification |
| 30 | Thermal | Min. installation (laying) temperature | 0 | °C | Pre-heat the cable if ambient is below 0 °C |
| E. Flame Retardance (ZR) | |||||
| 31 | Flame retardance | Flame-retardant class | ZC (class C) by default for "ZR" | — | GB/T 19666; ZA / ZB available on request; halogen-containing PVC (not LSZH) |
| 32 | Flame retardance | Single-cable vertical flame-spread test | Pass | — | GB/T 18380.12 |
| 33 | Flame retardance | Bunched flame-spread test (class C) | Char extent ≤ 2.5 m above burner bottom edge | — | GB/T 18380.35: non-metallic volume ≥ 1.5 L/m; flame application 20 min |
| 34 | Flame retardance | Halogen content | Halogen-containing (PVC) | — | For low-smoke, zero-halogen requirement select WDZ-YJY (LSZH) type |
| F. Installation | |||||
| 35 | Installation | Min. bending radius — single-core cable | 20 × OD | — | Qifan & Huaneng datasheets; some manufacturers specify 15 × OD; OD = actual cable diameter |
| 36 | Installation | Laying methods | Conduit, tray, cable trench, tunnel, duct, supported/suspended aerial | — | Also direct burial with mechanical protection where permitted |
| 37 | Installation | Site withstand test after installation | DC 4U0 = 2.4 kV, 15 min (recommended) | — | Per utility procurement standard Q/GDW 13244.1-2018; practice may vary by project |
| G. Packing & Delivery | |||||
| 38 | Packing | Standard delivery length | 100 m per coil/drum (or as ordered) | — | Typical industry practice; custom lengths available |
| 39 | Packing | Cable marking | Model, rated voltage, manufacturer, year of manufacture, sequential length marks | — | Per GB/T 6995 / project specification |
| 40 | Packing | Packing form | Wooden drum / coil / export packing | — | As per customer requirement |
4.Verification & Test Regime
| ZR-YJV 1×95 mm² — Test / Verification Parameters (per GB/T 12706.1 & IEC 60502-1) | ||||
| Test Stage | Test Item | Method / Standard | Requirement / Acceptance Criterion | Notes |
| Routine test | Conductor DC resistance measurement | GB/T 3956 (IEC 60228) | ≤ 0.193 Ω/km at 20 °C | Measured on every production length |
| Routine test | Power-frequency withstand voltage | GB/T 12706.1 / IEC 60502-1 | 3.5 kV AC, 5 min, no breakdown | Applied between conductor and water/earth; 50 Hz |
| Routine test | Construction check — insulation & sheath thickness, outer diameter | GB/T 2951 | Within GB/T 12706.1 tolerances | Insulation ≥ 1.1 mm nominal; sheath ≥ 1.5 mm nominal |
| Sample test | Hot set (thermal elongation) test — XLPE insulation | GB/T 12706.1 §16.3.13 / GB/T 2951.11 | 200 ± 3 °C, 15 min, stress 0.2 MPa: elongation under load ≤ 175 %; permanent elongation after cooling ≤ 15 % | Verifies degree of cross-linking |
| Sample test | Conductor construction & diameter check | GB/T 3956 | Class 2; 19 × 2.52 mm; Ø ≈ 12.1 mm | Sampled per batch |
| Type test | Single-cable vertical flame-spread test (flame retardance) | GB/T 18380.12 | No flame spread; charring does not reach top reference point | ZR / ZC flame-retardant property |
| Type test | Bunched flame-spread test, class C | GB/T 18380.35 | Char extent ≤ 2.5 m above burner bottom edge; flame application 20 min; non-metallic volume ≥ 1.5 L/m | Class ZC per GB/T 19666 |
| Type test | Bending test (mechanical) | GB/T 12706.1 | Bend around specified mandrel without insulation/sheath damage | Mandrel diameter related to cable OD |
| Post-installation | DC withstand test after installation | Q/GDW 13244.1-2018 (recommended practice) | 4U0 = 2.4 kV DC, 15 min, no breakdown | For new installations; verify project specification |
| Optional | Insulation resistance measurement at 20 °C | Manufacturer test method | ≥ 36.7 MΩ·km (typical finished-cable value) | Not a routine item in GB/T 12706.1; confirm with factory |
| Optional | XLPE volume resistivity at 20 °C | Manufacturer / material test | ≥ 1 × 10¹² Ω·cm | Material-level reference |
5.Cross Section Structure
| ZR-YJV 1×95 mm² — Cable Cross-Section Structure (Schematic) | |||||
| Layers from conductor to outer sheath · nominal values per GB/T 12706.1 / IEC 60502-1 · not to exact scale | |||||
| No. | Layer | Material / Construction | Nominal Thickness (mm) | Diameter (mm) | Function / Remarks |
| 1 | Conductor (Cu) | Annealed copper, Class 2 stranded — 19 × 2.52 mm (19/2.52, 1+6+12), nominal 95 mm² | — | ≈ 12.1 (Ø) | Current-carrying element; max DC resistance ≤ 0.193 Ω/km @ 20 °C |
| 2 | Insulation (XLPE) | Cross-linked polyethylene | 1.1 | ≈ 14.3 (Ø over insulation) | Dielectric barrier; rated 90 °C continuous; withstands 3.5 kV / 5 min |
| 3 | Outer sheath (PVC) | Flame-retardant PVC, ST2 type, black | 1.5 | ≈ 17.6 (Ø overall) | Mechanical & moisture protection; flame retardance ZC (ZR) per GB/T 19666 |
| Key Dimensions & Properties | |||||
| Overall diameter | 17.3–17.6 | mm | Qifan 17.6 mm; Weiguang 17.3 mm | ||
| Approx. cable weight | ≈ 747 | kg/km | Range 740–747 kg/km across manufacturers | ||
| Rated voltage | 0.6/1 | kV | AC 50 Hz; max system voltage Um = 1.2 kV | ||
| Max conductor temperature | 90 / 250 | °C | Continuous / short-circuit (≤ 5 s) | ||
| Min. bending radius (single-core) | 20 × OD | — | OD = actual cable diameter | ||
| Flame-retardant class | ZC (ZR) | — | GB/T 19666 | ||
| Product Structure Introduction — ZR-YJV 1×95 mm² | |||
| Layered construction description, from conductor to outer sheath · per GB/T 12706.1 & IEC 60502-1 · CU / XLPE / PVC · 0.6/1 kV | |||
| 1. Cable at a Glance | |||
| ZR-YJV 1×95 is a single-conductor flame-retardant power cable for 0.6/1 kV (Um = 1.2 kV) AC networks at 50 Hz. Its cross-section is built coaxially: a stranded copper core, a cross-linked polyethylene dielectric and a fire-retardant PVC jacket. The whole design follows GB/T 12706.1 / IEC 60502-1, with the core dimensioned to GB/T 3956 / IEC 60228 and fire behaviour covered by GB/T 19666. | |||
| Typical figures: outer diameter 17.3–17.6 mm and unit weight about 740–747 kg/km (representative 747 kg/km). The cable suits fixed runs in trays, conduits, ducts, tunnels and trenches. | |||
| 2. Conductive Core (Layer 1) | |||
| The current path is plain annealed copper, normally stranded as Class 2 with nineteen 2.52 mm wires (19/2.52, lay-up 1+6+12) for a nominal 95 mm². Multi-wire stranding keeps the bendability needed for real-site routing while holding the DC resistance at or below 0.193 Ω/km at 20 °C. The finished core measures about 12.1 mm across (up to ≈ 12.6 mm for regular, non-compact stranding). | |||
| 3. Dielectric System (Layer 2) | |||
| A 1.1 mm wall of cross-linked polyethylene (XLPE) is extruded over the core, bringing the diameter over insulation to ≈ 14.3 mm. Because the compound is chemically cross-linked, it behaves as a thermoset: the continuous rating climbs to 90 °C and the short-circuit limit to 250 °C for up to 5 s. The layer also delivers high dielectric strength and very low dielectric loss, with a material resistivity of at least 1×10¹² Ω·cm at 20 °C; the finished cable passes a 3.5 kV / 5 min AC routine test. | |||
| 4. Protective Jacket (Layer 3) | |||
| The outermost shell is a 1.5 mm black flame-retardant PVC (ST2) jacket, giving an overall diameter of ≈ 17.6 mm. It guards the dielectric against moisture, impact and abrasion, and it is the layer that earns the cable its “ZR” rating — flame-retardant class ZC under GB/T 19666, verified by the single vertical flame test (GB/T 18380.12) and the class-C bunched test (GB/T 18380.35, char limit 2.5 m). Being PVC, it is halogen-containing; choose WDZ-YJY when low-smoke zero-halogen performance is mandatory. | |||
| 5. Application & Handling Notes | |||
| • Use for feeders, motor and switchboard circuits where a 95 mm² copper path is required; delivery is normally 100 m per drum or coil. • Respect the 20 × OD minimum bending radius for single-core laying. • Do not install below 0 °C unless the drum is warmed; service ambient is −20 to +45 °C. • Re-verify all nominal values against the factory quality certificate and the GB/T 12706.1 / IEC 60502-1 test report. |
6.Installation, Handling & Care
- Keep drums upright, protect the jacket from dragging over sharp edges.
- Never bend tighter than 20 × OD; plan generous slack at terminations.
- If ambient < 0 °C, warm the drum before paying out.
- PVC sheath means halogen is present — switch to WDZ-YJY where LSZH is mandated.
- Apply grouping/ambient correction before final rating; test insulation integrity before energising.
7.Typical Applications
Main and sub-main distribution feeders, motor and pump circuits, switchboard and panel interconnections, and industrial/commercial risers at 0.6/1 kV — installed in trays, conduits, trenches, tunnels and ducts, indoors or in protected outdoor locations (avoid direct UV exposure unless protected).
8. Package
9.Company Overview
ZC-YJV 1×95 mm² Power Cable
Frequently Asked Questions (FAQ)
Flame-Retardant Class C · XLPE Insulated · PVC Sheathed · Copper Conductor · 0.6/1 kV
Product Basics
Q1. What does the model “ZC-YJV” mean?
“Z” stands for flame-retardant, “C” denotes Class C flame-retardant performance, “YJ” means XLPE (cross-linked polyethylene) insulation, and “V” means PVC sheath. ZC-YJV is a copper-core, Class C flame-retardant, XLPE-insulated, PVC-sheathed low-voltage power cable.
Q2. What does “1×95 mm²” indicate?
“1” means a single-core cable. “95 mm²” is the nominal cross-sectional area of the copper conductor. This size is widely used for main distribution feeders, transformer secondary connections, and high-current load circuits in commercial, industrial, and large-scale projects.
Q3. What is the rated voltage?
The rated voltage U₀/U is 0.6/1 kV (0.6 kV phase-to-earth, 1 kV phase-to-phase), designed for low-voltage power transmission and distribution systems.
Q4. What materials are used in construction?
Conductor: plain copper, Class 2 stranded. Insulation: cross-linked polyethylene (XLPE). Outer sheath: flame-retardant PVC. Standard ZC-YJV is unarmored. For direct burial or locations requiring mechanical protection, armored variants such as ZC-YJV22 (double steel tape) or ZC-YJV32 (fine steel wire) are available.
Technical Specifications
Q5. What is the maximum operating temperature?
The maximum continuous conductor temperature is 90 °C. During short-circuit events, the conductor may reach up to 250 °C for no more than 5 seconds. XLPE insulation delivers excellent thermal stability and high current-carrying capacity for heavy power distribution applications.
Q6. What is the typical current-carrying capacity?
For a 1×95 mm² copper XLPE cable, the ampacity is approximately 270–330 A when installed in free air at 30 °C ambient. Lower ratings apply when buried, installed in conduit, grouped with other cables, or at elevated ambient temperatures. For precise engineering design, consult the manufacturer's ampacity tables (GB/T 16895 / IEC 60364) and apply appropriate derating factors.
Q7. What is the conductor DC resistance?
The maximum DC resistance of a 95 mm² Class 2 copper conductor at 20 °C is approximately 0.193 Φ/km (annealed copper), per GB/T 3956 / IEC 60228. The exact value should be verified against the factory test report for each production batch.
Installation & Applications
Q8. What is the minimum bending radius?
For single-core unarmored cables of this size, the minimum bending radius is 20 times the cable outer diameter (20D) during installation. Large cross-section cables are relatively stiff and require careful pulling and bending to avoid insulation damage. D = actual outer diameter.
Q9. What are the typical applications?
Common uses include: main distribution feeders in high-rise commercial buildings; connection between low-voltage transformers and main switchgear panels; supply to large motors, UPS systems, and central HVAC plants; and primary power distribution in industrial facilities and infrastructure projects where Class C flame-retardant performance is required.
Q10. Which standards and certifications apply?
Manufactured in accordance with GB/T 12706 (equivalent to IEC 60502), with conductor compliance to GB/T 3956 / IEC 60228 and flame-retardant testing per GB/T 18380 / IEC 60332-3. Common certifications include CCC (China), CE (Europe), ISO 9001, RoHS, and VDE/TUV for specific international markets.
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