Anhui Tongdu International Trade Co., Ltd.
| Insulation | PVC (polyvinyl chloride), nominal thickness 0.8 mm, colours: brown, blue, black, grey, yellow/green (typical 5-core colour coding) |
| Design outer diameter | ≈ 15.5 mm |
| Packaging Details | General Packaging or As Requirements |
| Outer sheath | PVC (polyvinyl chloride), nominal thickness 1.2 mm (typical), colour: black |
| Conductor class | Class 5 flexible |
| Overall cable diameter | 14 – 17 mm |
| Filler & bedding | minimal |
| Conductor construction | 56×∅0.30 mm (typical) |
| Supply Ability | 100000 meters per month |
| Number of cores | 5 |
| Insulation thickness | 0.8 mm |
| Outer sheath thickness | 1.2 mm |
| Design weight | ≈ 465 kg/km |
| Filler | PVC filler or jute, round profile |
| Conductor (×5) | Copper, Class 5 fine-stranded flexible, nominal 56×∅0.30 mm (4.0 mm²), conductor Ø ≈ 3.0 mm |
| Approx. weight | 0.42 – 0.52 kg/m (420–520 kg/km) |
| Inner bedding | PVC tape wrap (optional) |
| Cable shape | Round |
| Payment Terms | L/C,T/T |
| Conductor nominal area | 4.0 mm² (Cu, flexible) |
| Diameter over insulated core (approx.) | 4.6 mm |
| Delivery Time | Less than 15 days |
| Conductor material | Copper (Cu) |
| Conductor diameter (approx.) | 3.0 mm |
| Model Number | RVV 5x4.0mm² |
| Certification | CE/ISO/CCC |
| Brand Name | TONGDU |
| Place of Origin | China |
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Product Specification
| Insulation | PVC (polyvinyl chloride), nominal thickness 0.8 mm, colours: brown, blue, black, grey, yellow/green (typical 5-core colour coding) | Design outer diameter | ≈ 15.5 mm |
| Packaging Details | General Packaging or As Requirements | Outer sheath | PVC (polyvinyl chloride), nominal thickness 1.2 mm (typical), colour: black |
| Conductor class | Class 5 flexible | Overall cable diameter | 14 – 17 mm |
| Filler & bedding | minimal | Conductor construction | 56×∅0.30 mm (typical) |
| Supply Ability | 100000 meters per month | Number of cores | 5 |
| Insulation thickness | 0.8 mm | Outer sheath thickness | 1.2 mm |
| Design weight | ≈ 465 kg/km | Filler | PVC filler or jute, round profile |
| Conductor (×5) | Copper, Class 5 fine-stranded flexible, nominal 56×∅0.30 mm (4.0 mm²), conductor Ø ≈ 3.0 mm | Approx. weight | 0.42 – 0.52 kg/m (420–520 kg/km) |
| Inner bedding | PVC tape wrap (optional) | Cable shape | Round |
| Payment Terms | L/C,T/T | Conductor nominal area | 4.0 mm² (Cu, flexible) |
| Diameter over insulated core (approx.) | 4.6 mm | Delivery Time | Less than 15 days |
| Conductor material | Copper (Cu) | Conductor diameter (approx.) | 3.0 mm |
| Model Number | RVV 5x4.0mm² | Certification | CE/ISO/CCC |
| Brand Name | TONGDU | Place of Origin | China |
| High Light | RVV 5 Core Flexible Cable ，5x4.0mm2 5 Core Flexible Cable ，Circuit multi strand flexible copper cable | ||
RVV 5x4.0mm2 5 Core Flexible PVC Stranded Copper Cable 300/500V Multi Circuit
|
Code |
Meaning |
|---|---|
|
R |
Flexible conductor (Class 5 fine-stranded copper) |
|
V |
PVC (polyvinyl chloride) insulation |
|
V |
PVC (polyvinyl chloride) outer sheath |
|
5×4.0 mm² |
Five cores, each 4.0 mm² flexible copper |
Construction: Fine-stranded tinned or plain copper conductor, PVC insulation, PVC sheath, five-core flexible power cable.
1. Overview & Ratings. RVV-5×4.0 — copper PVC-insulated PVC-sheathed flexible cable, five 4.0 mm² Class 5 stranded copper cores, PVC inner insulation, one PVC outer sheath, rated 300/500 V AC, 50 Hz; built and tested per GB/T 5023 / JB/T 8734, stranding per GB/T 3956. The 5-core configuration (3-phase + neutral + earth) is designed for 3-phase equipment power connections. Ø ≈ 13.5 mm, ≈ 350 kg/km, 100 m coils.
2. Construction Stack (Conductor → Outer Sheath).
| Layer | Build | Wall | Diameter |
|---|---|---|---|
| Conductors (×5) | Stranded soft Cu, Class 5, 26 × 0.45 mm per core | — | ≈ 2.8 mm each |
| Inner insulation (×5) | PVC, colour-coded (R/Y/B/light blue/green) | 0.7 mm | ≈ 4.2 mm each |
| Lay-up | 5 cores twisted together, filler | — | ≈ 10.5 mm |
| Outer sheath | PVC, black/grey | 1.5 mm | ≈ 13.5 mm (finished) |
3. Electrical Characteristics. R ≤ 4.61 Ω/km per core at 20 °C; routine test 2.0 kV AC / 5 min between cores; insulation resistance ≥ 0.012 MΩ·km. Reference ampacity (5 cores loaded) ≈ 25 A per core in free air at 30 °C; ≈ 21 A in conduit. Voltage drop ≈ 1.2 V per 100 m at 25 A.
|
Property |
Value |
|---|---|
|
Material (insulation) |
PVC (polyvinyl chloride) |
|
Material (sheath) |
PVC (polyvinyl chloride) |
|
Insulation nominal thickness |
0.8 mm |
|
Sheath nominal thickness |
1.2 mm |
|
Long-term service temp. |
70 °C (continuous) |
|
Short-circuit temp. (≤5 s) |
160 °C (Cu conductor limit) |
|
Emergency overload temp. |
90 °C (short term) |
|
Weather resistance |
Limited — indoor/dry use; not UV-resistant |
|
Flame retardant |
IEC 60332-1 (single cable, passes) |
|
Smoke density |
Standard (non-low-smoke) |
|
Halogen content |
Contains halogen (PVC) |
|
Oil resistance |
Limited (standard PVC) |
|
Parameter |
Value |
Note |
|---|---|---|
|
Rated voltage U₀/U |
300 / 500 V |
GB/T 5023.5 / IEC 60227-5 (light-duty) |
|
Test voltage AC (50 Hz, 5 min) |
2000 V |
Routine test |
|
DC resistance @20 °C |
≤ 4.95 Ω/km |
IEC 60228 Class 5 max, 4.0 mm² flexible Cu |
|
AC resistance @70 °C (est.) |
≈ 6.30 Ω/km |
per core |
|
Capacitance (approx.) |
≈ 0.18 µF/km |
core to core |
|
Inductive reactance (approx.) |
negligible |
5-core bundled |
|
Current rating in free air (30 °C) |
28 A |
5-core cable, all cores loaded (derated from single-core) |
|
Current rating in conduit (30 °C) |
24 A |
5-core, GB/T 16895 |
|
Current rating in tray (40 °C ambient) |
22 A |
bundled, derated |
|
Short-circuit current (1 s, Cu, 160 °C) |
≈ 0.44 kA (440 A) |
4.0 mm² Cu |
|
Frequency |
50/60 Hz AC |
— |
Reference values: 4.0 mm² Cu at 24 A, 3-phase 400 V (3P+1N+PE) → max balanced load ≈ 16.6 kVA. Voltage drop at 24 A ≈ 5.9 V/km per core (≈0.26% per 10 m at 400 V).
4. Thermal & Flame Behaviour. 70 °C continuous, 160 °C short-circuit (≤ 5 s); -15~+70 °C ambient, ≥ -15 °C laying; flame-retardant to GB/T 18380 / IEC 60332-1 (self-extinguishing). PVC contains halogen → RVVSP (LSZH) for halogen-free.
|
Property |
Value / Requirement |
|---|---|
|
Flame retardant |
IEC 60332-1 (single cable) |
|
Halogen content |
Contains halogen (PVC insulation & sheath) |
|
Smoke density |
Standard (non-low-smoke) |
|
Corrosivity |
Corrosive (PVC) |
|
Fire survival (circuit integrity) |
Not applicable (standard version) |
5. Installation Practice & Handling. Bend ≥ 6 × OD ≈ 80 mm fixed, ≥ 10 × OD ≈ 135 mm flexed; always use ferrules (cord end terminals) for stranded conductors; lay in trunking, tray, conduit, or indoor sheltered locations. Core colours: R/Y/B = L1/L2/L3, light blue = N, green = PE.
|
Parameter |
Value |
Remarks |
|---|---|---|
|
Minimum bending radius |
≥ 6 × OD → ≈ 93 mm at Ø15.5 mm |
flexible cable |
|
Max. pulling tension |
160 N |
fine-stranded Cu, use proper grips |
|
Direct burial |
Not recommended |
unarmoured, PVC not moisture-tight for burial |
|
Conduit ID |
≥ 1.5 × OD → ≥ 23 mm; use 25 mm or 32 mm |
— |
|
Fixing |
cable ties, clips, tray |
— |
|
Impact resistance |
Low |
flexible, not armoured |
|
Water resistance |
Limited |
indoor/dry only |
|
UV resistance |
Poor |
not for outdoor exposed |
|
Flex life |
Good |
suitable for occasional flexing |
|
Termination note |
Strip insulation 10–12 mm; use bootlace ferrules or compression lugs |
fine-stranded requires proper termination |
6. Typical Service Applications. 3-phase equipment power, motor connections, machine tool supply, distribution panel to machinery, industrial automation, pump/compressor power — indoor or sheltered outdoor.
7. Testing & QA Regime. Routine: conductor DC resistance ≤ 4.61 Ω/km, 2.0 kV AC / 5 min withstand, dimensional check (inner insulation ≥ 0.7 mm, sheath ≥ 1.5 mm, OD ≈ 13.5 mm). Type: heat ageing at 100 °C / 168 h, cold bend at -15 °C, heat shock at 150 °C, insulation resistance, flame retardancy per GB/T 18380.
Cable Parameters
| RVV-5×4.0 mm² — Copper PVC-Insulated PVC-Sheathed Flexible Cable (5-core 3P+N+PE) — Full Parameter Sheet | ||||
| Copper PVC-insulated PVC-sheathed flexible cable · 5 cores × 4.0 mm² Class 5 stranded Cu · PVC inner insulation + PVC outer sheath · 300/500 V · 3-phase + N + PE · GB/T 5023 / JB/T 8734 · finished Ø ≈ 13.5 mm | ||||
| Section | Parameter | Value | Unit | Remarks / Standard |
| 01 · Identification | ||||
| Cable type | RVV (Copper PVC-insulated PVC-sheathed flexible cable) | — | 5-core = 3P+N+PE | |
| Rated voltage (U0/U) | 300/500 | V AC | Control and equipment power | |
| Number of cores | 5 × 4.0 | — | 3-phase + N + PE | |
| Conductor material | Annealed stranded soft copper | — | Class 5 flexible per GB/T 3956 | |
| Inner insulation material | Polyvinyl chloride (PVC) | — | PVC-70 °C grade, colour-coded | |
| Outer sheath material | Polyvinyl chloride (PVC) | — | PVC-70 °C grade, black/grey | |
| Outer sheath colour | Black / grey | — | Standard sheath colour | |
| Standard | GB/T 5023 / JB/T 8734 | — | Chinese PVC cable standard | |
| 02 · Conductor (Stranded Soft Copper) | ||||
| Conductor type | Stranded soft copper wire | — | Class 5 flexible per GB/T 3956 | |
| Strand construction (per core) | 26 × 0.45 | mm | 26 strands of 0.45 mm each | |
| Conductor diameter (per core) | ≈ 2.8 | mm | Stranded bundle | |
| Cross-sectional area (per core) | 4.0 | mm² | Nominal | |
| DC resistance @ 20 °C (per core) | ≤ 4.61 | Ω/km | Max per GB/T 3956 Class 5 | |
| Conductor weight per km | ≈ 180 | kg/km | 5 × 4.0 mm² Cu | |
| 03 · Insulation & Sheath | ||||
| Inner insulation type | Polyvinyl chloride (PVC) | — | PVC-70 °C grade | |
| Inner insulation thickness | 0.7 | mm | Nominal per core | |
| Core colours | Red / yellow / blue / light blue / green | — | L1/L2/L3/N/PE | |
| Outer sheath type | Polyvinyl chloride (PVC) | — | PVC-70 °C grade | |
| Outer sheath thickness | 1.5 | mm | Nominal | |
| Finished outer diameter | ≈ 13.5 | mm | 5 cores laid up + sheath | |
| 04 · Electrical | ||||
| Rated voltage (AC) | 300/500 | V | Control and equipment power | |
| DC resistance @ 20 °C (per core) | ≤ 4.61 | Ω/km | 4.0 mm² Cu Class 5 | |
| Insulation resistance | ≥ 0.012 | MΩ·km | PVC at 20 °C | |
| Conductor loss (at 25 A per core) | ≈ 2.9 | W/m | I²R at 70 °C | |
| Routine test voltage (AC) | 2.0 kV / 5 min | — | Power-frequency withstand | |
| Voltage test (AC) | 2.0 kV / 5 min | — | AC withstand test | |
| 05 · Thermal | ||||
| Max continuous conductor temp. | 70 | °C | PVC rated | |
| Short-circuit temp. | 160 | °C | PVC limit (≤ 5 s) | |
| Min installation temp. | -15 | °C | Sheathed cable | |
| Service ambient range | -15 to +70 | °C | Indoor / sheltered outdoor | |
| UV resistance | Limited | — | Sheltered outdoor — not direct UV | |
| Halogen-free | No | — | PVC contains halogen | |
| Flame retardancy | IEC 60332-1 / GB/T 18380 | — | Self-extinguishing | |
| 06 · Mechanical | ||||
| Min bending radius (fixed) | ≥ 6 × OD ≈ 80 | mm | 5-core sheathed | |
| Min bending radius (flexed) | ≥ 10 × OD ≈ 135 | mm | Repeated flexing | |
| Tensile strength (insulation) | ≥ 10.0 | MPa | PVC | |
| Abrasion resistance | Good | — | Sheathed | |
| 07 · Ampacity | ||||
| Air ampacity (per core, 5 cores loaded) | ≈ 25 | A | 300/500 V, 30 °C (est.) | |
| Conduit ampacity (5-core) | ≈ 21 | A | In conduit, grouped | |
| Voltage drop (per 100 m @ 25 A) | ≈ 1.2 | V | Per core | |
| 08 · Installation | ||||
| Laying methods | Conduit, trunking, tray, indoor fixed, equipment-to-panel | — | Indoor / sheltered outdoor | |
| Connectors | Ferrules, screw terminals, ring fork terminals | — | Stranded conductor needs ferrules | |
| Polarity | Colour-coded cores | — | R/Y/B=L1/L2/L3, light blue=N, green=PE | |
| Special tools | Wire cutter, stripper, ferrule crimper | — | Standard tools | |
| 09 · Packing | ||||
| Standard supply length | 100 m / coil | m | Flexible cable | |
| Reel / packing type | Coil / wooden drum | — | Standard packaging | |
| Surface marking | RVV, 5×4.0, 300/500 V, GB/T 5023, metre marks | — | Continuous printing | |
| Storage conditions | Dry, indoor, -15 to +40 °C | — | Protect from UV / moisture | |
| 10 · Applications | ||||
| Typical use | 3-phase equipment power, motor connections, machine tool supply, distribution panel to machinery, industrial automation, pump/compressor power | — | Indoor 3-phase equipment | |
| Max system voltage | 500 | V AC | 300/500 V rated | |
| Circuit current rating | Up to 25 | A per core | Per circuit breaker | |
Test Parameters
| Test Parameters — RVV-5×4.0 mm² | ||||
| No. | Test Item | Test Condition / Method | Requirement | Type |
| 1 | Conductor DC resistance | GB/T 3956, 20 °C, per core | ≤ 4.61 Ω/km (4.0 mm² Cu Class 5) | Routine |
| 2 | Power-frequency withstand | 2.0 kV AC, 5 min, between cores | No breakdown | Routine |
| 3 | Insulation thickness test | Micrometer | Inner ≥ 0.7 mm, sheath ≥ 1.5 mm | Routine |
| 4 | Dimensional check | Micrometer | OD ≈ 13.5 mm | Routine |
| 5 | Flame retardancy | GB/T 18380 / IEC 60332-1 | Self-extinguishing | Type |
| 6 | Heat ageing | 168 h at 100 °C | No cracking after bend test | Type |
| 7 | Cold bend test | -15 °C, mandrel 6×OD | No cracks | Type |
| 8 | Heat shock | 1 h at 150 °C | No cracking | Type |
| 9 | Insulation resistance | At 500 V DC, 20 °C | ≥ 0.012 MΩ·km | Type |
| 10 | Conductor continuity | Per GB/T 3956 | All 5 cores continuous | Routine |
| 11 | Core colour check | Visual | R/Y/B/light blue/green cores | Routine |
| 12 | Sheath integrity | Visual + dimensional | No damage, OD consistent | Routine |
Cable Cross Section Structure
| RVV-5×4.0 mm² — Cross-Section Construction Diagram (Schematic) | |||||
| Flexible cable build-up: 5 stranded Cu cores (R/Y/B/light blue/green) → PVC inner insulation → PVC outer sheath · 300/500 V · 3-phase + N + PE · finished Ø ≈ 13.5 mm | |||||
| No. | Layer | Material / Construction | Nominal Thickness (mm) | Diameter (mm) | Function / Remarks |
| 1 | Conductors (×5) | Stranded soft copper, Class 5, 26 × 0.45 mm per core | — | ≈ 2.8 each | 5 cores; R ≤ 4.61 Ω/km |
| 2 | Inner insulation (×5) | PVC, colour-coded (R/Y/B/light blue/green) | 0.7 | ≈ 4.2 each | 3P+N+PE identification |
| 3 | Lay-up | 5 cores twisted together, filler | — | ≈ 10.5 | Round lay-up |
| 4 | Outer sheath | PVC, black/grey | 1.5 | ≈ 13.5 (finished) | Mechanical protection; 70 °C |
| Key Dimensions & Properties (expanded) | |||||
| Finished cable diameter | ≈ 13.5 | mm | 5 cores laid up + sheath | ||
| Approx. cable mass | ≈ 350 | kg/km | 5 × 4.0 mm² Cu + PVC | ||
| Nominal voltage rating | 300/500 | V AC | Equipment power / control | ||
| Max continuous conductor temp. | 70 | °C | PVC rated | ||
| Short-circuit temp. (≤5 s) | 160 | °C | PVC limit | ||
| Min installation temp. | -15 | °C | Sheathed cable | ||
| Min bending radius (fixed) | ≥ 6 × OD ≈ 80 | mm | 5-core sheathed | ||
| DC resistance @ 20 °C (per core) | ≤ 4.61 | Ω/km | 4.0 mm² Cu Class 5 | ||
| Insulation resistance | ≥ 0.012 | MΩ·km | PVC | ||
| Routine test voltage (AC) | 2.0 kV / 5 min | — | Power-frequency withstand | ||
| Air ampacity @ 30 °C | ≈ 25 | A per core | 5 cores loaded (est.) | ||
| Flame retardancy | GB/T 18380 / IEC 60332-1 | — | Self-extinguishing | ||
| Halogen-free | No | — | PVC contains halogen | ||
| Core arrangement | 3P + N + PE | — | R/Y/B/light blue/green | ||
| Schematic — not to exact scale. Finished Ø ≈ 13.5 mm and weight ≈ 350 kg/km from cross-referenced industry samples; conductor/insulation dimensions per GB/T 5023 and GB/T 3956; ampacity 25 A per core is an engineering estimate for 5 cores loaded in free air. RVV-5×4.0 is a 5-core flexible PVC-sheathed cable (3-phase + N + PE) rated 300/500 V for equipment power and motor connections. Unlike ZC-YJV 4×50 (XLPE 90 °C, 0.6/1 kV, 175 A, 2380 kg/km, Class 2 compacted conductor), RVV uses PVC 70 °C insulation, Class 5 flexible strands, and is designed for smaller 3-phase equipment. Values marked (est.) require confirmation against the factory test certificate. | |||||
Construction Description
| Construction Description — RVV-5×4.0 mm² (flexible 5-core cable) | |||
| Layer-by-layer flexible 5-core cable build-up · 5 stranded Cu cores (26×0.45) / PVC inner insulation / PVC outer sheath · 300/500 V · 3-phase + N + PE · finished Ø ≈ 13.5 mm | |||
| 1. Product Identity & Ratings | |||
| RVV-5×4.0 is a copper PVC-insulated PVC-sheathed flexible cable rated 300/500 V, built and tested per GB/T 5023 / JB/T 8734. It has 5 colour-coded cores (red/yellow/blue/light blue/green), each 4.0 mm² stranded soft copper (Class 5, 26×0.45 mm), enclosed in a black/grey PVC outer sheath. The 5-core configuration (3-phase + N + PE) makes it suitable for 3-phase equipment power connections. Unlike ZC-YJV 4×50 (XLPE 90 °C, 0.6/1 kV, 175 A, 2380 kg/km), RVV uses PVC 70 °C insulation and Class 5 flexible strands. Finished Ø ≈ 13.5 mm, mass ≈ 350 kg/km, 100 m coils. | |||
| 2. Stranded Copper Conductors (5 cores) | |||
| Each of the 5 cores uses 26 strands of 0.45 mm annealed soft copper (Class 5 flexible per GB/T 3956), giving R ≤ 4.61 Ω/km per core at 20 °C. Core colours: red (L1), yellow (L2), blue (L3), light blue (N), green (PE). The 5-core layout provides all 3 phases plus neutral and earth in one cable — ideal for connecting 3-phase machinery to a distribution panel. | |||
| 3. PVC Inner Insulation & Outer Sheath | |||
| Each core is insulated with 0.7 mm of PVC (PVC-70 °C grade). The 5 insulated cores are laid up and enclosed in a 1.5 mm PVC outer sheath (black/grey). The outer sheath provides mechanical protection. PVC is rated for 70 °C continuous conductor temperature — lower than XLPE (90 °C) in YJV, but sufficient for equipment power at 300/500 V. | |||
| 4. Flexible vs. Rigid Construction | |||
| Unlike ZC-YJV (Class 2 compacted rigid copper, 15×OD bend radius, heavy drum supply), RVV uses Class 5 flexible strands with a small bend radius (6×OD ≈ 80 mm). This makes RVV easy to route inside equipment and between panels. The flexible construction also means the cable can be supplied in coils rather than heavy drums. | |||
| 5. Site Handling & Operational Notes | |||
| • Install in trunking, tray, conduit, or indoor sheltered locations. • Bend radius 6×OD (≈ 80 mm) fixed, 10×OD (≈ 135 mm) flexed. • Service -15 to +70 °C. • Routine test 2.0 kV AC / 5 min. • PVC contains halogen — use RVVSP (LSZH) for halogen-free. • At 350 kg/km, supplied in 100 m coils. • Use ferrules for stranded conductor termination. • Core colours: R/Y/B=L1/L2/L3, light blue=N, green=PE. |
8. Structure Display
9. Packaging, Storage & Logistics. 100 m per coil. Continuous marking: RVV, 5×4.0, 300/500 V, GB/T 5023, supplier identity, production year, metre marks. Store dry, indoor, -15 to +40 °C.
10. Procurement Specification. State "RVV-5×4.0, 300/500 V" + length. Use ferrules for stranded termination. For halogen-free, specify RVVSP-5×4.0 (LSZH). Core colours R/Y/B/light blue/green = 3P+N+PE.
11. Cable Industry FAQ.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2009
Total Annual:
50000000-100000000
Employee Number:
260~300
Ecer Certification：
Verified Supplier
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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