2x16mm2 2 Core Fiber Optic Cable IEC Full Gauge Copper PVC Sheath For Power Engineering
2x16mm2 2 Core Fiber Optic Cable IEC Full Gauge Copper PVC Sheath For Power Engineering
Product Summary
ZR-YJV 2*16mm² Flame Retardant 2 Core Cable,0.6/1kV IEC Standard Full Gauge Copper,XLPE Anti-Aging PVC Sheath for Power Engineering Code Mean:ZR-Flame Retardant,YJ-XLPE Insulation,V-PVC Outer Sheathed ZR-YJV 2×16 mm² — Engineering Data Note 1. Scope. ZR-YJV 2×16 is a flame-retardant two-core cable: ...
Product Details
Highlight:
2x16mm2 2 core fiber optic cable
,2 core fiber optic cable IEC
,Full Gauge Copper sheathed flexible cable
Conductor (×2):
Cu Class 2, 7×Ø1.70 Mm (15.89 Mm², Ø≈4.2 Mm)
Conductor:
5.6mm
Insulation (×2):
Insulation (×2)
Filler:
FR PP/PE
FR PP/PE:
Binder
FR tape:
FR PVC, 1.8 Mm, Black
Overall Ø:
11.0–12.0 Mm (11.4 Mm Design)
Cable Weight:
270–310 Kg/km (≈290)
Short-circuit: 250 °C (≤5 s):
Overload 105–130 °C
Test:
3.5 KV/5 Min; Type 4.0 KV
Flame Retardant:
Class C (IEC 60332-3-24 Cat.C, Char≤2.5 M, ≥1.5 L/m)
Product Description
ZR-YJV 2*16mm² Flame Retardant 2 Core Cable,0.6/1kV IEC Standard Full Gauge Copper,XLPE Anti-Aging PVC Sheath for Power Engineering
Code Mean:ZR-Flame Retardant,YJ-XLPE Insulation,V-PVC Outer Sheathed
ZR-YJV 2×16 mm² — Engineering Data Note
1. Scope. ZR-YJV 2×16 is a flame-retardant two-core cable: twin 16 mm² copper conductors, XLPE insulation, PVC sheath, rated 0.6/1 kV (Um = 1.2 kV), 50 Hz. Conformance: GB/T 12706.1 / IEC 60502-1, core GB/T 3956 / IEC 60228, fire GB/T 19666 / GB/T 18380 (default ZC).
2. Make-Up. Layer stack from core to jacket:
| Layer | Build | Wall | Diameter |
|---|---|---|---|
| Conductor (×2) | Annealed copper, Class 2, 7 × 1.7 mm (7/1.7) each, 16 mm² per core | — | ≈ 5.1 mm per core |
| Insulation (×2) | Cross-linked polyethylene | 0.7 mm | ≈ 6.5 mm per core (over ins.) |
| Lay-up | Two cores + non-hygroscopic filler, optional binder tape | — | ≈ 13 mm |
| Sheath | Flame-retarded PVC, ST2, black | 1.8 mm | ≈ 17.3 mm overall |
Weight ≈ 461 kg/km (458–461; Al version ≈ 245–258).
3. Circuit Performance. DC resistance ≤ 1.15 Ω/km per core @ 20 °C; routine 3.5 kV / 5 min; XLPE volume resistivity ≥ 1×10¹² Ω·cm; insulation resistance typically ≥ 36.7 MΩ·km; capacitance ≤ 0.45 μF/km per core. Reference ampacity (both cores loaded) ≈ 92 A in air, ≈ 110 A direct-buried @ 25 °C — per cable; derate per GB/T 16895 / IEC 60364.
| ZR-YJV 2×16 mm² Flame-Retardant Copper-Conductor XLPE-Insulated PVC-Sheathed Power Cable — Product Parameters (0.6/1 kV, Two-Core) | |||||
| Construction: CU / XLPE / PVC, 2 cores • 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 (two-core) | — | Designation ZR-YJV; "ZR" = flame-retardant (halogen-containing) |
| 2 | Identification | Model designation | ZR-YJV 2×16 | — | 2 cores × 16 mm²; 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 | 2 | — | Two-core cable, both cores live (phase + neutral / L + N applications) |
| 7 | Identification | Nominal cross-sectional area | 16 | mm² | Per core; nominal 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 (per core) | 7 wires × 1.7 mm (7/1.7) | — | Class 2 round stranded; nominal section 16 mm² per core |
| 11 | Conductor | Conductor diameter (per core) | ≈ 5.1 | mm | Ø of the 7/1.7 stranded core (GB/T 3956 nominal) |
| 12 | Conductor | Max. DC resistance of conductor at 20 °C | 1.15 | Ω/km | GB/T 3956, Class 2 copper; acceptance criterion for 16 mm² |
| 13 | Insulation | Material | Cross-linked polyethylene (XLPE) | — | Thermally cross-linked; natural/transparent colour |
| 14 | Insulation | Nominal insulation thickness | 0.7 | mm | GB/T 12706.1 / IEC 60502-1 (0.6/1 kV, 16 mm²) |
| 15 | Insulation | Diameter over insulation (per core) | ≈ 6.5 | mm | ≈ 5.1 + 2 × 0.7 (calculated) |
| 16 | Lay-up | Core assembly | Two insulated cores laid up with non-hygroscopic filler; optional binder tape | — | Round construction, right-hand lay |
| 17 | Sheath | Material | Flame-retardant polyvinyl chloride (PVC, ST2 type) | — | Colour: black (or as ordered) |
| 18 | Sheath | Nominal sheath thickness | 1.8 | mm | GB/T 12706.1 / IEC 60502-1 (ahtk & Mingda tables agree) |
| 19 | Dimensions | Approx. overall diameter | 17.3 | mm | ≈ 17.3 mm (ahtk 17.3; Mingda 17.4) |
| 20 | Dimensions | Approx. cable weight | ≈ 461 | kg/km | ahtk 461; Mingda 460.9 (aluminium version ≈ 245–258 kg/km) |
| C. Electrical Performance | |||||
| 21 | Electrical | Max. DC conductor resistance at 20 °C | 1.15 | Ω/km | GB/T 3956; routine measurement |
| 22 | 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 |
| 23 | Electrical | Insulation resistance (finished cable, 20 °C) | ≥ 36.7 | MΩ·km | Typical finished-cable reference for 0.6/1 kV XLPE cables; varies with geometry and manufacturer test method |
| 24 | Electrical | XLPE volume resistivity at 20 °C | ≥ 1 × 10¹² | Ω·cm | Material-level requirement (manufacturer reference) |
| 25 | Electrical | Capacitance (approx., per core) | ≤ 0.45 | μF/km | Manufacturer reference value |
| 26 | Electrical | Reference ampacity — in air, 25 °C, both cores loaded | ≈ 92 | A | Mingda two-core table (92 A Cu); applies to the cable as a whole; derate per GB/T 16895 / IEC 60364 |
| 27 | Electrical | Reference ampacity — direct burial, 25 °C | ≈ 110 | A | Mingda two-core table (110 A Cu); depends on soil thermal resistivity and depth |
| D. Thermal Performance | |||||
| 28 | Thermal | Max. continuous conductor temperature | 90 | °C | XLPE insulation temperature class |
| 29 | Thermal | Max. conductor temperature under short-circuit (≤ 5 s) | 250 | °C | Per GB/T 12706.1 / IEC 60502-1 |
| 30 | Thermal | Ambient service temperature range | -20 to +45 | °C | Per Qifan datasheet family; check project specification |
| 31 | Thermal | Min. installation (laying) temperature | 0 | °C | Pre-heat the cable if ambient is below 0 °C |
| E. Flame Retardance (ZR) | |||||
| 32 | 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) |
| 33 | Flame retardance | Single-cable vertical flame-spread test | Pass | — | GB/T 18380.12 |
| 34 | 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 |
| 35 | Flame retardance | Halogen content | Halogen-containing (PVC) | — | For low-smoke, zero-halogen requirement select WDZ-YJY (LSZH) type |
| F. Installation | |||||
| 36 | Installation | Min. bending radius — multi-core cable | ≥ 15 × OD | — | GB 50168 practice for multi-core XLPE cables (Mingda lists 15 × OD); OD = actual cable diameter |
| 37 | Installation | Laying methods | Conduit, tray, cable trench, duct, building trunking, supported/suspended aerial | — | Also direct burial with mechanical protection where permitted |
| 38 | 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 | |||||
| 39 | Packing | Standard delivery length | 100 m per coil/drum (or as ordered) | — | Typical industry practice; custom lengths available |
| 40 | Packing | Cable marking | Model, rated voltage, manufacturer, year of manufacture, sequential length marks | — | Per GB/T 6995 / project specification |
| 41 | Packing | Packing form | Coil (carton drum) / wooden drum / export packing | — | As per customer requirement |
4. Temperature Limits. Continuous 90 °C; short-circuit 250 °C (≤ 5 s); ambient −20 to +45 °C; laying ≥ 0 °C; minimum bend radius ≥ 15 × OD (multi-core).
5. Fire Rating. Passes GB/T 18380.12 (single) and class-C bunched GB/T 18380.35 (char ≤ 2.5 m) → ZC per GB/T 19666. PVC carries halogen; use WDZ-YJY for LSZH.
6. Testing. Routine: resistance, 3.5 kV/5 min, dimension audit (ins. ≥ 0.7 mm, sheath ≥ 1.8 mm). Sample: XLPE hot-set (200 ± 3 °C / 15 min / 0.2 MPa). Type: flame + bending. Site: DC 4U0 = 2.4 kV / 15 min (Q/GDW 13244.1-2018).
| ZR-YJV 2×16 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) | ≤ 1.15 Ω/km at 20 °C (per core) | 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 each conductor and earth/water; 50 Hz |
| Routine test | Construction check — insulation & sheath thickness, outer diameter | GB/T 2951 | Within GB/T 12706.1 tolerances | Insulation ≥ 0.7 mm nominal; sheath ≥ 1.8 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; 7 × 1.7 mm; Ø ≈ 5.1 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 (multi-core) |
| 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 |
7. Site Practice. Bend ≥ 15 × OD; avoid kinking; protect from UV and abrasion; run the DC site test before energising; never load only one core; match lugs to the ≈ 5.1 mm core.
8.Cross Section Structure
| ZR-YJV 2×16 mm² — Cable Cross-Section Structure (Schematic) | |||||
| Two-core construction 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) × 2 | Annealed copper, Class 2 stranded — 7 × 1.7 mm per core (7/1.7), nominal 16 mm² per core | — | ≈ 5.1 (Ø per core) | Current-carrying element; max DC resistance ≤ 1.15 Ω/km @ 20 °C (per core) |
| 2 | Insulation (XLPE) × 2 | Cross-linked polyethylene | 0.7 | ≈ 6.5 (Ø per core, over insulation) | Dielectric barrier; rated 90 °C continuous; withstands 3.5 kV / 5 min |
| 3 | Core lay-up | Two insulated cores laid up with non-hygroscopic filler; optional binder tape | — | ≈ 13 (Ø over lay-up) | Forms a round assembly for sheathing |
| 4 | Outer sheath (PVC) | Flame-retardant PVC, ST2 type, black | 1.8 | ≈ 17.3 (Ø overall) | Mechanical & moisture protection; flame retardance ZC (ZR) per GB/T 19666 |
| Key Dimensions & Properties | |||||
| Overall diameter | 17.3 | mm | 17.3–17.4 mm across sources (ahtk 17.3; Mingda 17.4) | ||
| Approx. cable weight | ≈ 461 | kg/km | ahtk 461; Mingda 460.9; Al version ≈ 245–258 kg/km | ||
| 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 (multi-core) | ≥ 15 × OD | — | OD = actual cable diameter | ||
| Flame-retardant class | ZC (ZR) | — | GB/T 19666 | ||
| Product Structure Introduction — ZR-YJV 2×16 mm² (English) | |||
| Two-core layered construction description, from conductor to outer sheath · per GB/T 12706.1 & IEC 60502-1 · CU / XLPE / PVC · 0.6/1 kV | |||
| 1. Purpose of Document | |||
| This document describes the build and function of ZR-YJV 2×16, a flame-retardant two-core cable for 0.6/1 kV AC circuits. It is manufactured and tested to GB/T 12706.1 / IEC 60502-1, with conductors per GB/T 3956 / IEC 60228 and the ZR (default ZC) fire mark per GB/T 19666. Approximate outer diameter 17.3 mm, mass ≈ 461 kg/km, standard 100 m coils or drums. | |||
| The two identical cores carry live current; the cable is for fixed installations and must not be used as a trailing lead. | |||
| 2. Conductor Elements | |||
| Each core uses seven annealed copper wires of 1.7 mm (7/1.7) stranded to Class 2, for a nominal 16 mm² and a core diameter of ≈ 5.1 mm. DC resistance at 20 °C stays within 1.15 Ω/km per core. The stranded bundle gives the core enough flexibility for pulling through conduit runs of moderate length. | |||
| 3. Insulation Elements | |||
| XLPE is applied over each core at 0.7 mm, taking the diameter over insulation to ≈ 6.5 mm. Cross-linking turns the material into a thermoset rated for 90 °C continuous and 250 °C for five seconds under fault, with volume resistivity ≥ 1×10¹² Ω·cm and a mandatory 3.5 kV AC, 5-minute routine test. | |||
| 4. Cabling & Jacket | |||
| The two insulated cores are cabled together with a non-hygroscopic filler (optional binder tape) into a round core of ≈ 13 mm. Over this, a 1.8 mm flame-retardant PVC (ST2) sheath is extruded to close the cable at ≈ 17.3 mm. The jacket delivers the ZC rating, demonstrated by GB/T 18380.12 (single burn) and GB/T 18380.35 (class C, char ≤ 2.5 m). PVC is halogen-bearing; WDZ-YJY is the LSZH variant. |
9. Duty & Placement. Single-phase feeders, L+N circuits, appliance and small-motor supplies, control and panel wiring at 0.6/1 kV — conduits, trays, trunking, trenches; indoor or sheltered outdoor.
10.Flame Retardant Data Sheet
| Flame Retardant Data Sheet — ZR-YJV 0.6/1 kV 2x16 mm² | |||
| 1. General Information | |||
| Item | Value | Remark | |
| Cable designation | ZR-YJV | ZR = legacy flame-retardant (default Class C = ZC per GB/T 19666) | |
| Rated voltage | 0.6/1 kV (U₀/U = 0.6/1 kV; Uₘ = 1.2 kV) | IEC 60502-1 / GB/T 12706.1 | |
| Number of cores | 2 (phase + neutral, or DC +/−) | Single-phase / DC pair | |
| Conductor (per core) | Copper, Class 2 stranded, 7x⌀2.05 mm (⌀≈4.9 mm) | IEC 60228 / GB/T 3956 | |
| Insulation | XLPE, nominal 0.7 mm (10/16 mm² class) | 90 °C service | |
| Outer sheath | Flame-retardant PVC (ZR grade), nominal 1.8 mm | Multi-core rule ≥1.8 mm | |
| Overall diameter (approx.) | 11.0 – 11.8 mm (design 11.4 mm) | — | |
| Weight (approx.) | ≈280 – 320 kg/km (design ≈290 kg/km) | — | |
| Flame retardant class | Class C (bundled, char ≤2.5 m above burner) | GB/T 19666-2019 | |
| Armour / Screen | None / None | Unarmoured, non-screened | |
| 2. Flame Retardant Classification (GB/T 19666 / IEC 60332-3) | |||
| Level | Designation example | Non-metal volume (L/m) | Char height limit |
| A (highest) | ZA- / WDZA- | ≥7.0 | ≤2.0 m |
| B | ZB- / WDZB- | 3.5 | ≤2.5 m |
| C (this product) | ZC- / ZR- | 1.5 | ≤2.5 m |
| D (lowest) | ZD- | 0.5 | ≤2.5 m |
| 3. Test Items & Technical Requirements (Class C) | |||
| Test item / Standard | Class C limit | Result | Remark |
| Bunched flame propagation, GB/T 18380.3 / IEC 60332-3-24, Category C | Char height ≤2.5 m above burner; flame ≤20 min | Pass (typical)* | Core test for ZR/YJV |
| Single-flame propagation, GB/T 18380.1 / IEC 60332-1-2 | Self-extinguishing; no re-ignition | Pass (typical)* | Per core |
| Non-metallic volume of test specimen | ≥1.5 L/m (Category C) | ≈1.5 L/m | FR-PVC sheath + FR filler |
| After-flame time (t₁ + t₂) | ≤60 min total | Pass (typical)* | — |
| pH value of gas (IEC 60754-1/2)* | pH ≥4.3 (reference only) | Not certified (PVC) | *PVC contains Cl; reference / not mandatory for plain ZR(C) |
| Conductivity of gas (IEC 60754-2)* | ≤10 µS/mm (reference only) | Not certified (PVC) | * Reference only for ZR(C) |
| Acid (halogen) gas emission (IEC 60754)* | Low halogen (reference) | Not certified (PVC) | * HCl released on burning |
| Smoke density, transmittance (GB/T 17651 / IEC 61034)* | ≥60 % (reference only) | Not certified (PVC) | * Heavy dark smoke; use WDZ for ≥60 % |
| Oxygen index (LOI), GB/T 2406 | LOI ≥32 % (typical) | ≥32 % (typical) | FR-PVC formulation |
| Flame-retardant filler / binder | FR PP/PE filler + FR tape present | Yes | ZC grade |
| 4. Important Notes | |||
| 1. ZR is a legacy prefix for flame-retardant; under GB/T 19666-2019 it defaults to Class C (modern equivalent: ZC). Thus ZR-YJV ≈ ZC-YJV. | |||
| 2. Items marked * (pH, conductivity, halogen/smoke, transmittance) are REFERENCE / NOT CERTIFIED for plain ZR (Class C) because the PVC sheath contains chlorine and releases HCl. These are not mandatory limits for ZR(C). | |||
| 3. ZR-YJV = flame-retardant ONLY. It is NOT halogen-free (use WDZ-YJY) and NOT fire-survival / circuit-integrity (use NH-ZR-YJV with mica tape, 830 °C / 90 min). | |||
| 4. Selection logic: flame-retardant only → ZR-YJV (this product, lowest cost); FR + halogen-free low-smoke → WDZ-YJY; FR + fire-survival → NH-ZR-YJV. | |||
| 5. For 2x16, sheath = 1.8 mm (multi-core rule), insulation = 0.7 mm (10/16 mm² class). Conductors: 2 x (7x2.05 mm) copper. | |||
10. Procurement. ZR-YJV 0.6/1 kV 2×16, length, coil/drum type, marking. Standard 100 m; confirm all figures against the factory certificate.
11.Factory Overview
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