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Low Voltage 2 Cores Cable 2 X 10mm2 Stranded Copper Fire Resistant PVC Insulated

China Low Voltage 2 Cores Cable 2 X 10mm2 Stranded Copper Fire Resistant PVC Insulated

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Low Voltage 2 Cores Cable 2 X 10mm2 Stranded Copper Fire Resistant PVC Insulated

MOQ： 100 meters
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Number of cores	2
Packaging Details	General Packaging or As Requirements
Insulation nominal thickness	0.7 mm
Approx. weight	324 – 348 kg/km
Insulation resistance constant	≈ 3.67 MΩ·km @90 °C
Long-term service temperature	90 °C
Supply Ability	100000 meters per month
Sheath nominal thickness	1.8mm
Routine test	3.5 kV AC / 5 min; type test 4.0 kV
Conductor diameter (approx.)	4.0 mm
Conductor construction	Class 2, 7×∅1.35 mm
Conductor nominal area	10 mm²
Payment Terms	L/C,T/T
Diameter over insulation	5.4 mm
Volume resistivity @90 °C	≥ 10¹² Ω·cm
Delivery Time	Less than 15 days
Overall cable diameter	15.2 – 15.3 mm
Short-circuit temperature (≤5 s)	250 °C
Model Number	ZC-YJV 2*10mm²
Place of Origin	China
Certification	CE/ISO/CCC
Brand Name	TONGDU

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Product Specification


Number of cores	2	Packaging Details	General Packaging or As Requirements
Insulation nominal thickness	0.7 mm	Approx. weight	324 – 348 kg/km
Insulation resistance constant	≈ 3.67 MΩ·km @90 °C	Long-term service temperature	90 °C
Supply Ability	100000 meters per month	Sheath nominal thickness	1.8mm
Routine test	3.5 kV AC / 5 min; type test 4.0 kV	Conductor diameter (approx.)	4.0 mm
Conductor construction	Class 2, 7×∅1.35 mm	Conductor nominal area	10 mm²
Payment Terms	L/C,T/T	Diameter over insulation	5.4 mm
Volume resistivity @90 °C	≥ 10¹² Ω·cm	Delivery Time	Less than 15 days
Overall cable diameter	15.2 – 15.3 mm	Short-circuit temperature (≤5 s)	250 °C
Model Number	ZC-YJV 2*10mm²	Place of Origin	China
Certification	CE/ISO/CCC	Brand Name	TONGDU
High Light	Low Voltage 2 Core Cable ，2 Core Cable 2 x 10mm2 ，Fire Resistant pvc insulated sheathed cable

Low Voltage Power Cable 0.6/1kv YJV-2*10mm² Stranded Copper XLPE Insulation Fire-Resistant PVC Outer Sheath

Cable Designation & Meaning

Code	Meaning
ZC	Flame retardant C — IEC 60332-3-24, Category C
YJ	Cross-linked polyethylene (XLPE) insulation
V	PVC sheath
2×10 mm²	Two cores, 10 mm² copper conductor each

Construction: Two Class 2 stranded copper conductors, XLPE insulation, PVC outer sheath (no armour, no shield, circular or flat formation).

Technical Datasheet — ZC-YJV 0.6/1 kV 2×10 mm²

Applicable Standards

GB/T 12706.1-2020 (equiv. IEC 60502-1) — Extruded insulation power cables ≤ 1 kV
GB/T 3956 / IEC 60228 — Conductors (Class 2)
GB/T 19666-2019 — Flame retardant & fire resistant cables (ZC = Class C)
GB/T 18380.3 — Bunched flame propagation test, Class C (sample non-metal volume 1.5 L/m, flame 20 min, char ≤ 2.5 m above burner)

Product Components / Construction (inside → outside)

Conductor (×2) — Bare annealed copper, Class 2 stranded circular, 7×∅1.35 mm (typical); Class 1 solid permitted for 10 mm²
Conductor screen — Not required for 0.6/1 kV; omitted
Insulation (×2) — XLPE compound, extruded (red/black/blue/brown etc.)
Insulation thickness (nominal) — 0.7 mm (GB/T 12706.1, 10/16 mm² class)
Filler — Flame-retardant non-hygroscopic PP/PE filler (ZC grade, replaces plain filler)
Binder — Flame-retardant glass-fibre tape / halogen-free flame-retardant tape (ZC grade)
Outer sheath — Flame-retardant PVC compound (ZC grade)
Sheath thickness (nominal) — 1.8 mm (multi-core rule)
Sheath colour — Black (standard); other colours available
Armour — None
Metallic screen — None

Dimensional Data

Item	Typical value	Remarks
Conductor nominal area (per core)	10 mm²	—
Number of cores	2	—
Conductor construction	Class 2, 7×∅1.35 mm	min. 7 wires
Conductor diameter (approx.)	4.0 mm	—
Insulation nominal thickness	0.7 mm	—
Diameter over insulation (approx.)	5.4 mm	4.0 + 2×0.7
Sheath nominal thickness	1.8 mm	—
Overall cable diameter	15.2 – 15.3 mm	15.2 (structure table), 15.3 (JCCC)
Approx. weight	324 – 348 kg/km	328 (Langfang), 331 (structure table), 348 (ZC-YJV structure sheet)
Cable shape	Round	—

Insulation Data

Material: XLPE (cross-linked polyethylene)
Nominal thickness: 0.7 mm
Long-term service temperature: 90 °C
Short-circuit temperature (≤5 s): 250 °C
Emergency overload: 105 °C (limited duration)
Routine test: 3.5 kV AC / 5 min; type test 4.0 kV
Volume resistivity @90 °C: ≥ 10¹² Ω·cm
Insulation resistance constant: ≈ 3.67 MΩ·km @90 °C

Property	Value
Insulation material	XLPE (cross-linked polyethylene), Type TR-XLPE
Outer sheath material	PVC (polyvinyl chloride), Type ST₂
Long-term service temp.	90 °C (continuous, XLPE insulation)
Short-circuit temp. (≤5 s)	250 °C (Cu conductor limit for XLPE)
Emergency overload temp.	130 °C (short term, ≤1 h)
Test voltage AC (5 min)	3.5 kV (routine test, 0.6/1 kV class)
Dielectric strength	≥ 20 kV/mm (room temp.)
Volume resistivity @20 °C	≥ 1×10¹⁴ Ω·cm
Shield	None (unshielded design)

Electrical Parameters

Parameter	Value	Note
Rated voltage U₀/U	0.6 / 1 kV	GB/T 12706.1 / IEC 60502-1
Max. system voltage	1.2 kV AC	—
Test voltage AC (5 min)	3.5 kV	Routine test (conductor-to-sheath)
DC resistance @20 °C	≤ 1.83 Ω/km per core	GB/T 3956 Class 2 Cu max, 10 mm²
AC resistance @90 °C (est.)	≈ 2.34 Ω/km per core	—
Current rating in air (30 °C)	65 A per core	two-core cable, touching, in free air
Current rating in tray (30 °C)	62 A per core	spaced 2×OD
Current rating buried in ground (20 °C, thermal resistivity 1.2 K·m/W)	58 A per core	direct buried
Current rating in conduit (30 °C)	55 A per core	—
Short-circuit current (1 s, Cu, 250 °C)	≈ 1.10 kA (1,100 A)	10 mm² Cu
Capacitance (core-to-sheath, approx.)	≈ 0.19 µF/km per core	XLPE insulation
Inductive reactance (approx.)	≈ 0.09 Ω/km	at 50 Hz
Frequency	50/60 Hz AC	—

Reference values: 2×10 mm² at 65 A per core, single-phase 230 V → max load ≈ 15.0 kW; DC 48 V → max load ≈ 5.3 kW (voltage drop must be checked). Suitable for single-phase distribution, AC equipment supply, and DC circuits.

Temperature Characteristics

Max. conductor operating temp. (continuous): 90 °C
Max. short-circuit temp. (≤5 s): 250 °C
Min. installation ambient temp.: 0 °C (pre-heat below 0 °C)
Service ambient range: −20 °C to +90 °C (sheath)
Flame retardant class: Class C per GB/T 19666 (bundled, self-extinguishing, char ≤ 2.5 m)

Property	Value
Max. conductor operating temp.	90 °C (continuous)
Max. short-circuit temp. (≤5 s)	250 °C (Cu conductor, XLPE limit)
Emergency overload temp.	130 °C (≤1 h, not recommended for continuous)
Min. installation ambient temp.	0 °C (PVC sheath); below 0 °C pre-heating required
Service ambient range	−20 °C to +90 °C (XLPE insulation, PVC sheath)
Flexing temp. range	0 °C to +90 °C
Fire survival	Standard (flame retardant C, single cable)

Fire Performance (ZC-YJV — Flame Retardant C)

Property	Value / Requirement
Flame retardant	IEC 60332-3-24 Category C (bundled, 3.5 L/m cable volume, self-extinguishing)
Halogen content	Contains halogen (PVC sheath)
Smoke density	Standard (non-low-smoke)
Corrosivity	Corrosive (PVC sheath)
Fire survival (circuit integrity)	Not applicable (standard version)
EMI shielding	None (unshielded)

8. Mechanical & Installation Parameters

Min. bending radius (unarmoured multi-core): ≥ 15 × OD → ≈ 228 mm at Ø15.2 mm
Max. pulling tension (Cu only): 50 N/mm² × 10 mm² × 2 = 1000 N total
Sheath grip: avoid; use conductor sock
Direct burial: allowed in non-aggressive soil, sand bed + warning tape, ≥ 0.7 m depth, conduit under roads
Conduit ID: ≥ 1.5 × OD → ≥ 23 mm (use 25 mm conduit)
Elevation: no limit for XLPE

Parameter	Value	Remarks
Minimum bending radius	≥ 12 × OD → ≈ 174 mm at Ø14.5 mm	unarmoured two-core
Max. pulling tension	150 N per core (10 mm² × 15 N/mm²)	Cu conductor limit
Direct burial	Suitable (with sand bedding and warning tape)	unarmoured — protect from mechanical damage
Surface mounting	Good (cable tray, ladder, clips)	—
Conduit ID	≥ 20 mm	—
Fixing	cable ties, clips	—
Impact resistance	Low (PVC sheath only)	protect with conduit in exposed areas
Water resistance	Moisture-resistant (XLPE + PVC)	not waterproof
UV resistance	Poor (PVC degrades in sunlight)	indoor or buried use; for outdoor aerial use UV-stabilised sheath or conduit
Flex life	Low (Class 2 stranded, not for repeated flexing)	fixed installation only
Termination note	Crimp lug or compression terminal; no ferrules needed (Class 2 stranded)	—

Material Specification Summary

Conductor: Cu annealed, Class 2, 7×1.35 mm, IEC 60228
Insulation: XLPE 0.7 mm, 90 °C
Filler: Flame-retardant PP/PE
Binder: Flame-retardant glass fibre tape
Sheath: Flame-retardant PVC (ZC), 1.8 mm nom.
No armour, no screen

Scope of Application / Usage Range

ZC-YJV 0.6/1 kV 2×10 mm² is for fixed installation in LV distribution up to 1.2 kV where flame-retardant Class C is required (plain YJV is not sufficient).

Typical use:

Single-phase AC circuits (L+N) or DC pairs (+,−) in buildings with fire-code requirement for ZC
Indoor distribution boards, residential/commercial final circuits, lighting & small equipment feeders
Cable trays, ducts, trenches, shafts in high-rise buildings, hotels, stations, metros, hospitals, data centres (where ZC or better is specified)
Industrial plants, warehouses, PV/battery/charger branch circuits (DC polarity check needed)
Direct buried in non-aggressive soil, low mechanical risk

Not suitable for:

Fire-survival circuits → use NH-ZC-YJV 2×10
Heavy mechanical load → use ZC-YJV22 2×10
Three-phase → use 3-core / 4-core
Magnetic conduit AC run (eddy risk, though less critical at 10 mm²)
Corrosive/oily environment without extra barrier

Packing

Drum / coil: Steel-wooden drum or coil, 100–500 m typical.

ZC-YJV 2×10 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 “2×10 mm²” indicate?

“2” means the cable has two cores (two insulated conductors within a common sheath). “10 mm²” is the nominal cross-sectional area of each copper conductor. A 2-core cable is typically used for single-phase AC power supply circuits, providing one phase and one neutral conductor.

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 single-phase and three-phase power distribution systems.

Q4. What materials are used in construction?

Conductor: plain copper, Class 2 stranded. Insulation: cross-linked polyethylene (XLPE) on each core. Filler: non-hygroscopic material to hold the two cores together. Outer sheath: flame-retardant PVC. Standard ZC-YJV is unarmored. For direct burial, armored variants (YJV22) 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 provides higher temperature resistance and greater ampacity compared with traditional PVC-insulated (VV) cables.

Q6. What is the typical current-carrying capacity?

For a 2×10 mm² copper XLPE cable, the ampacity is approximately 50–65 A when installed in free air at 30 °C ambient. Multi-core cables generally have slightly lower ampacity than single-core cables due to mutual heating between cores. Lower ratings apply when buried, installed in conduit, or at elevated ambient temperatures. Refer to GB/T 16895 / IEC 60364 and manufacturer tables for precise values.

Q7. What is the conductor DC resistance?

The maximum DC resistance of a 10 mm² Class 2 copper conductor at 20 °C is approximately 1.83 Φ/km (annealed copper), per GB/T 3956 / IEC 60228. Each core in the 2-core cable has the same resistance value. Confirm the exact value from the factory test report.

Installation & Applications

Q8. What is the minimum bending radius?

For multi-core unarmored cables, the minimum bending radius is 15 times the cable outer diameter (15D) during installation. Multi-core cables are generally more flexible than equivalent single-core cables of the same total copper area. D = actual outer diameter.

Q9. What are the typical applications?

Common uses include: single-phase lighting and power branch circuits in residential and commercial buildings; power supply to small appliances, water pumps, and auxiliary equipment; secondary distribution in industrial plants; and connection between distribution boards and end-use devices 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.

Company Details

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Company Profile — Anhui Tongdu Cable Co., Ltd. Company Overview Anhui Tongdu Cable Co., Ltd. (hereinafter "Tongdu Cable") is a professional wire and cable manufacturer headquartered in Zongyang Economic Development Zone, Anhui Province, China. Founded in 2009, the company has grown into one of... Company Profile — Anhui Tongdu Cable Co., Ltd. Company Overview Anhui Tongdu Cable Co., Ltd. (hereinafter "Tongdu Cable") is a professional wire and cable manufacturer headquartered in Zongyang Economic Development Zone, Anhui Province, China. Founded in 2009, the company has grown into one of...

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