An engineering guide to a fine-wire PVC power, control and connecting cable with 1 kV insulation walls, black numbered cores, a 4 kV test voltage and a UV-proofed black RAL 9005 sheath for outdoor use.

ÖPVC-JZ/OZ 0.6/1 kV black: flexible 1 kV PVC cable with numbered cores for indoor and outdoor use
An engineering guide to a fine-wire PVC power, control and connecting cable with 1 kV insulation walls, black numbered cores, a 4 kV test voltage and a UV-proofed black RAL 9005 sheath for outdoor use.
1. Reading the designation
JZ = with GNYE and numbered cores (‘G’); OZ = without GNYE (‘x’). 0,6/1 kV denotes the rated voltage U0/U with 1 kV insulation wall thickness; SCHWARZ (black) the UV-proofed RAL 9005 sheath.
Standard constructions, 2 × 0.5 to 4 G 120 mm².
Rated voltage, whole range.
Short-circuit conductor temperature.
Black RAL 9005 outdoor sheath.
2. Construction
The key difference from the grey 300/500 V JZ/OZ is the insulation wall: dimensioned for 1 kV, it raises the voltage rating and increases the outer diameter slightly. The black sheath is UV-proofed for outdoor runs.
| Pos. | Element | Material / form | Engineering function |
|---|---|---|---|
| 1 | Conductor | Bare Cu, fine-wire, IEC 60228 cl. 5 | Flexibility for installation and free movement |
| 2 | Core insulation | PVC, black, 1 kV wall thickness | +70 °C continuous, +160 °C short-circuit |
| 3 | Core marking | White numerals per DIN VDE 0293 | Clear identification in multicore circuits |
| 4 | Protective conductor | GNYE core in JZ (‘G’) versions | OZ (‘x’) versions have none |
| 5 | Core assembly | Stranded in layers | Round, stable geometry for gland sealing |
| 6 | Outer sheath | PVC, black RAL 9005, UV-proofed | Outdoor use; IEC 60332-1; acids, bases, specified oils |
3. Technical data
| Parameter | Value | Engineering note |
|---|---|---|
| Conductor material | Bare copper strand | |
| Conductor class | IEC 60228 class 5 | |
| Core insulation | PVC | 1 kV insulation wall thickness |
| Core identification | Acc. to DIN VDE 0293: black cores with white numerals, with or without GNYE | |
| Stranding | Cores stranded in layers | |
| Outer sheath | PVC | UV-proofed black compound |
| Sheath colour | Black, RAL 9005 | |
| Rated voltage U0/U | 0.6/1 kV | Across the whole range, 0.5–120 mm² |
| Test voltage | 4 kV | |
| Conductor resistance | Acc. to IEC 60228 cl. 5 | |
| Insulation resistance | Min. 20 MΩ × km | |
| Current carrying capacity | Acc. to DIN VDE | Apply ambient, grouping and loaded-core factors |
| Min. bending radius fixed | 4 × d | |
| Min. bending radius moved | 15 × d | |
| Operating temp. fixed | −40 °C / +80 °C | |
| Operating temp. moved | −15 °C / +70 °C | |
| Conductor temperature | +70 °C operation; +160 °C short-circuit | Higher than the 150 °C of the 300/500 V JZ/OZ |
| Burning behaviour | Self-extinguishing and flame-retardant acc. to IEC 60332-1 | Single-cable test |
| Chemical resistance | Largely resistant to acids, bases and specified oils | |
| Standard | Similar to EN 50525-2-51, with insulation wall thickness for 1 kV | |
| Compliance | RoHS; 2014/35/EU Low Voltage Directive (CE); LABS-/silicone-free during production |
4. 300/500 V versus 0.6/1 kV: same family, different duty
| Construction | 300/500 V Ø mm | 0.6/1 kV Ø mm | Why it matters |
|---|---|---|---|
| 3 G 1.5 | 6.8 | 8.6 | Gland size changes |
| 7 G 1.5 | 9.1 | 11.6 | Tray fill |
| 25 G 1.5 | 17.0 | 22.1 | Bending radius and gland |
| 4 G 16 | 20.6 | 21.6 | Minor at large sizes |
| 4 G 50 | 33.8 | 35.6 | Minor at large sizes |
5. Full dimension and weight tables
All 69 constructions are listed, grouped by cross-section. Bending radii are calculated from the nominal outer diameter.
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 0.5 | OZ (without GNYE) | 1003183 | 6.3 | 9.6 | 55.0 | 25 | 94 |
| 3 G 0.5 | JZ (with GNYE) | 1003428 | 6.7 | 14.4 | 65.0 | 27 | 100 |
| 4 G 0.5 | JZ (with GNYE) | 1003429 | 7.2 | 19.2 | 76.0 | 29 | 108 |
| 5 G 0.5 | JZ (with GNYE) | 1003430 | 8.0 | 24.0 | 94.0 | 32 | 120 |
| 7 G 0.5 | JZ (with GNYE) | 1003187 | 8.9 | 33.6 | 136.0 | 36 | 134 |
| 12 G 0.5 | JZ (with GNYE) | 1003432 | 11.4 | 57.6 | 197.0 | 46 | 171 |
| 18 G 0.5 | JZ (with GNYE) | 1003433 | 13.8 | 86.4 | 280.0 | 55 | 207 |
| 25 G 0.5 | JZ (with GNYE) | 1003434 | 16.4 | 120.0 | 387.0 | 66 | 246 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 0.75 | OZ (without GNYE) | 1003435 | 6.6 | 14.4 | 62.0 | 26 | 99 |
| 3 G 0.75 | JZ (with GNYE) | 1003000 | 7.0 | 21.6 | 73.0 | 28 | 105 |
| 4 G 0.75 | JZ (with GNYE) | 1003055 | 7.6 | 28.8 | 89.0 | 30 | 114 |
| 5 G 0.75 | JZ (with GNYE) | 1003083 | 8.4 | 36.0 | 111.0 | 34 | 126 |
| 7 G 0.75 | JZ (with GNYE) | 1003056 | 9.3 | 50.4 | 140.0 | 37 | 140 |
| 12 G 0.75 | JZ (with GNYE) | 1003057 | 12.3 | 86.4 | 240.0 | 49 | 184 |
| 18 G 0.75 | JZ (with GNYE) | 1003058 | 14.5 | 130.0 | 340.0 | 58 | 218 |
| 25 G 0.75 | JZ (with GNYE) | 1003062 | 17.4 | 180.0 | 475.0 | 70 | 261 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 1 | OZ (without GNYE) | 1001046 | 7.0 | 19.2 | 73.0 | 28 | 105 |
| 3 G 1 | JZ (with GNYE) | 1003002 | 7.3 | 28.8 | 83.0 | 29 | 110 |
| 4 G 1 | JZ (with GNYE) | 1002408 | 8.2 | 38.4 | 108.0 | 33 | 123 |
| 5 G 1 | JZ (with GNYE) | 1001972 | 9.2 | 48.0 | 136.0 | 37 | 138 |
| 7 G 1 | JZ (with GNYE) | 1002993 | 9.9 | 67.2 | 166.0 | 40 | 148 |
| 12 G 1 | JZ (with GNYE) | 1001974 | 13.0 | 115.0 | 281.0 | 52 | 195 |
| 18 G 1 | JZ (with GNYE) | 1001975 | 15.7 | 173.0 | 405.0 | 63 | 236 |
| 25 G 1 | JZ (with GNYE) | 1001976 | 18.8 | 240.0 | 554.0 | 75 | 282 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 1.5 | OZ (without GNYE) | 1003446 | 8.2 | 28.8 | 99.0 | 33 | 123 |
| 3 G 1.5 | JZ (with GNYE) | 1000537 | 8.6 | 43.2 | 110.0 | 34 | 129 |
| 4 G 1.5 | JZ (with GNYE) | 1000560 | 9.6 | 57.6 | 140.0 | 38 | 144 |
| 5 G 1.5 | JZ (with GNYE) | 1000588 | 10.7 | 72.0 | 170.0 | 43 | 160 |
| 7 G 1.5 | JZ (with GNYE) | 1000620 | 11.6 | 101.0 | 220.0 | 46 | 174 |
| 10 G 1.5 | JZ (with GNYE) | 1002797 | 15.3 | 144.0 | 270.0 | 61 | 230 |
| 12 G 1.5 | JZ (with GNYE) | 1000462 | 15.5 | 173.0 | 412.0 | 62 | 232 |
| 18 G 1.5 | JZ (with GNYE) | 1002799 | 18.6 | 259.0 | 546.0 | 74 | 279 |
| 25 G 1.5 | JZ (with GNYE) | 1001977 | 22.1 | 360.0 | 771.0 | 88 | 332 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 2.5 | OZ (without GNYE) | 1003447 | 9.4 | 48.0 | 141.0 | 38 | 141 |
| 3 G 2.5 | JZ (with GNYE) | 1000543 | 10.0 | 72.0 | 175.0 | 40 | 150 |
| 4 G 2.5 | JZ (with GNYE) | 1000565 | 11.0 | 96.0 | 220.0 | 44 | 165 |
| 5 G 2.5 | JZ (with GNYE) | 1000594 | 12.5 | 120.0 | 251.0 | 50 | 188 |
| 7 G 2.5 | JZ (with GNYE) | 1000627 | 13.7 | 168.0 | 331.0 | 55 | 206 |
| 12 G 2.5 | JZ (with GNYE) | 1001857 | 18.3 | 288.0 | 553.0 | 73 | 274 |
| 18 G 2.5 | JZ (with GNYE) | 1003073 | 22.0 | 432.0 | 788.0 | 88 | 330 |
| 25 G 2.5 | JZ (with GNYE) | 1003448 | 25.8 | 600.0 | 1,100.0 | 103 | 387 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 2 x 4 | OZ (without GNYE) | 1003449 | 11.4 | 76.8 | 199.0 | 46 | 171 |
| 3 G 4 | JZ (with GNYE) | 1003450 | 12.3 | 115.2 | 230.0 | 49 | 184 |
| 4 G 4 | JZ (with GNYE) | 1003063 | 13.7 | 154.0 | 310.0 | 55 | 206 |
| 5 G 4 | JZ (with GNYE) | 1003452 | 15.2 | 192.0 | 400.0 | 61 | 228 |
| 7 G 4 | JZ (with GNYE) | 1003453 | 16.7 | 269.0 | 501.0 | 67 | 250 |
| 12 G 4 | JZ (with GNYE) | 1003454 | 22.0 | 461.0 | 840.0 | 88 | 330 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 3 G 6 | JZ (with GNYE) | 1003455 | 14.0 | 173.0 | 347.0 | 56 | 210 |
| 4 G 6 | JZ (with GNYE) | 1002798 | 15.5 | 230.0 | 428.0 | 62 | 232 |
| 5 G 6 | JZ (with GNYE) | 1003456 | 17.3 | 288.0 | 583.0 | 69 | 260 |
| 7 G 6 | JZ (with GNYE) | 1003141 | 19.1 | 403.0 | 663.0 | 76 | 286 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 10 | JZ (with GNYE) | 1002796 | 18.2 | 384.0 | 668.0 | 73 | 273 |
| 5 G 10 | JZ (with GNYE) | 1003124 | 20.4 | 480.0 | 820.0 | 82 | 306 |
| 7 G 10 | JZ (with GNYE) | 1003459 | 22.4 | 672.0 | 1,050.0 | 90 | 336 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 16 | JZ (with GNYE) | 1003088 | 21.6 | 614.0 | 1,109.0 | 86 | 324 |
| 5 G 16 | JZ (with GNYE) | 1003143 | 24.7 | 768.0 | 1,616.0 | 99 | 370 |
| 7 G 16 | JZ (with GNYE) | 1003465 | 26.2 | 1,075.0 | 1,798.0 | 105 | 393 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 25 | JZ (with GNYE) | 1003139 | 26.4 | 960.0 | 1,623.0 | 106 | 396 |
| 5 G 25 | JZ (with GNYE) | 1001589 | 29.2 | 1,200.0 | 2,075.0 | 117 | 438 |
| 7 G 25 | JZ (with GNYE) | 1003469 | 32.2 | 1,680.0 | 2,950.0 | 129 | 483 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 35 | JZ (with GNYE) | 1003470 | 29.1 | 1,344.0 | 2,415.0 | 116 | 436 |
| 5 G 35 | JZ (with GNYE) | 1003471 | 32.5 | 1,680.0 | 2,890.0 | 130 | 488 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 50 | JZ (with GNYE) | 1003125 | 35.6 | 1,920.0 | 3,390.0 | 142 | 534 |
| 5 G 50 | JZ (with GNYE) | 1000976 | 37.9 | 2,400.0 | 4,633.0 | 152 | 568 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 70 | JZ (with GNYE) | 1003126 | 40.7 | 2,688.0 | 4,320.0 | 163 | 610 |
| 5 G 70 | JZ (with GNYE) | 1000963 | 45.7 | 3,360.0 | 5,807.0 | 183 | 686 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 95 | JZ (with GNYE) | 1003140 | 46.2 | 3,648.0 | 6,000.0 | 185 | 693 |
| 5 G 95 | JZ (with GNYE) | 1000977 | 52.8 | 4,560.0 | 7,500.0 | 211 | 792 |
| Dimension n × mm² | Version | Reference item no. | Outer Ø mm | Cu index kg/km | Weight kg/km | Min. bend radius fixed (4 × d) mm | Min. bend radius moved (15 × d) mm |
|---|---|---|---|---|---|---|---|
| 4 G 120 | JZ (with GNYE) | 1003127 | 52.0 | 4,608.0 | 7,500.0 | 208 | 780 |
6. Application envelope
Power, control and connecting cable in electrical facilities, for fixed laying and flexible applications with free movement, without tensile stress and without forced guidance. Suitable for dry, humid and wet rooms and for outdoor use, but not for laying underground.
7. Comparison
| Type | Rated voltage | Test voltage | Short-circuit | Outdoor | Sheath |
|---|---|---|---|---|---|
| ÖPVC-JZ/OZ (grey) | 300/500 V | 4 kV | 150 °C | Only with UV protection | Grey RAL 7001 |
| ÖPVC-JZ/OZ 0.6/1 kV black | 0.6/1 kV | 4 kV | 160 °C | Yes, UV-proofed | Black RAL 9005 |
| ÖPVC-JZ/OZ ARCTIC +UV | 300/500 V | 3 kV | 140 °C | Yes (−60 °C fixed) | Black RAL 9005 |
| NYY-J | 0.6/1 kV | 4 kV | 160 °C | Yes; also burial | Black, fixed only |
8. Design calculations
9. Certification and traceability
This cable is RoHS-conform and CE-conform to the 2014/35/EU Low Voltage Directive, LABS-/silicone-free during production, with flame behaviour to IEC 60332-1. FeiChun Cable holds a complete export certification portfolio — including CE, UKCA, VDE, EAC, ATEX and IECEx — and every certificate supplied is checked against the exact type, voltage, factory and standard of the order.
Routine tests
Conductor resistance, 4 kV voltage test, insulation resistance, core numbering, dimensions and marking.
Type tests
IEC 60332-1 flame, sheath ageing, UV resistance of the black sheath, oil resistance on request.
Delivery documents
Approved datasheet, test report per drum, batch number and length marking.
10. FAQ
Why choose 0.6/1 kV instead of 300/500 V?
For power feeds in panels, pumps and machines on 400/690 V systems, and for any circuit where the 300/500 V rating is insufficient. The 1 kV insulation walls also add mechanical and dielectric margin.
Can it be used outdoors?
Yes. The black PVC sheath is UV-proofed. It must not be buried.
NYY-J or JZ 0.6/1 kV?
NYY-J is a fixed-installation cable with class 1/2 conductors; JZ 0.6/1 kV has fine-wire class 5 conductors for easier routing and free movement.
Why 160 °C short-circuit?
The data sheet specifies +160 °C for this compound system, which gives a slightly higher short-circuit capacity than 150 °C types.
Can it go in a drag chain?
No: free movement only, without tensile stress or forced guidance.
How many cores?
Up to 25 cores in 0.5–2.5 mm², 12 cores in 4 mm², and up to 7 cores to 25 mm²; 4 G 120 is the largest size.
Technical and project enquiries: [email protected]
+86 13855123218


