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3D torsion robot power cable0.6/1 kV (UL 1000 V)±180°/m to ±360°/mSpiral Cu D-Shield

Torsion-Resistant Robot Power Cable0.6/1 kV ±180°/m to ±360°/m 3D torsion robot motor & welding power cable

Heavy-duty 0.6/1 kV (UL 1000 V) 3D torsion-resistant robot power cable (1.5 mm² to 50 mm²) featuring superfine reverse-bundled copper conductors, low-capacitance TPE-E/PP core insulation, helical tinned copper D-shield and weld-spatter-proof PUR jacket.

Anti-torsion braid
Low-EMC design
EMC screen
Oil-resistant
Order designation
ROBOT-PWR 4G6.0 D
Outer Ø ≈
14.1 mm
Total copper
286 kg/km
Total weight ≈
388 kg/km
Min. bend R (moving)
106 mm
Check against my drumAll sizes (14)
Request a quoteDatasheetWhatsApp
Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum
Rated voltage
0.6/1 kV
U0/U · UL/CSA 1000 V AWM
Torsion rating
±180°/m (D)
±360°/m on unscreened P types
Size range
1.5–50 mm²
4G and 3+3G symmetric earth
Bend radius
7.5 × OD
moving & 3D flex · 4 × OD fixed
Temperature
−40…+80 °C
moving · −50…+80 °C fixed
Outer sheath
PUR (Black/Org)
weld-spatter & coolant proof

Typical values for this cable type, based on DIN VDE 0250 / UL AWM Style 21223 — confirmed in the datasheet and quotation for your order.

Application fit

Is Torsion-Resistant Robot Power Cable right for your machine?

Engineered for 6-axis robot drive motors, high-frequency milling spindles, and 400–690 V servo spot-welding guns subjected to simultaneous 3D torsion and bending.

Energy chain / drag chain

Suitable

Withstands both ±180°/m 3D robot wrist torsion and 7th-axis linear gantry energy-chain travel.

VFD inverter to AC motor screened feeder

Suitable

Low-capacitance TPE-E/PP insulation and ≥ 85 % helical tinned copper D-shield suppress PWM inverter noise.

Fixed installation

Suitable

UL 1000 V AWM Style 21223 allows continuous routing from weld controller or VFD cabinet up the robot base.

Motorised monospiral reel

Not suitable

Designed for multi-axis robot torsion rather than high-tension monospiral outdoor crane drums.

Use NSHTÖU Reeling Cable
Typical machinesAutomotive Spot-Welding Guns6-Axis Robot Base & Wrist MotorsRobotic Milling & Composite TrimmingLaser Cladding & Friction Stir WeldingHeavy Foundry & Forging Manipulators

Construction

Layer by layer

Shown: ROBOT-PWR 4G6.0 D screened 3D torsion robot power cable with PTFE interlayer slip wraps and helical tinned copper D-shield.

123456
Schematic, not to scale — generated from the layer data
#LayerMaterial & reference
1Torsion-relieved phase conductorsExtra-fine bare copper strands (0.07–0.10 mm filaments, IEC 60228 Class 6+) in reverse-lay bundlesPrevents copper work-hardening under combined ±180°/m twist and high current heating
20.6/1 kV low-cap insulationCross-linked TPE-E / polypropylene (PP), black phase cores U/V/W + green-yellow PE4000 V AC dielectric strength with low capacitance
3Central star-profile fillerLow-friction elastomeric central spline separating phase coresPrevents core cross-over under axial torsion
4Dual PTFE sliding wrapsCounter-wound PTFE fluoropolymer tapes below and above the copper shieldEliminates friction between core bundle, spiral shield and outer PUR sheath
5Helical tinned copper D-shieldTorsion-compensated spiral tinned copper wire screen (≥ 85 % optical coverage)Absorbs ±180°/m twist without shield wire breakage
6Weld-spatter PUR jacketHalogen-free polyurethane (TMPU), matte black RAL 9005 or DESINA orange RAL 2003DIN EN 50363-10-2 · resists weld slag, cutting oils and conduit abrasion

4G D (Screened 3+PE)

Three phase cores (U/V/W) + one green-yellow PE core with helical tinned copper D-shield (±180°/m)

3+3G D (Symmetric Earth)

Three phase cores + three split interstitial green-yellow PE cores for high-frequency robotic milling spindles

4G P (Unscreened ±360°/m)

Unscreened 0.6/1 kV robot power execution rated up to ±360°/m torsion

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on DIN VDE 0250 / UL AWM Style 21223. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage U0/U
0.6/1 kV (UL/CSA 1000 V)
AC test voltage
4000 V AC (50 Hz, 5 min)
Screen / Field control
Helical tinned Cu D-shield ≥ 85 % (or unscreened P)
Capacitance
≈ 62 pF/m (core/core) · ≈ 110 pF/m (core/screen)
Insulation resistance
≥ 500 MΩ·km at 20 °C

Thermal

Temperature, flexing
−40 °C to +80 °C
Temperature, fixed installation
−50 °C to +80 °C
Max. conductor temperature
+90 °C (VDE) · +80 °C (UL AWM)
Short-circuit temperature
+250 °C (max. 5 s)

Mechanical

Torsional stress
±180°/m (screened D) · ±360°/m (unscreened P)
Torsion endurance
≥ 5,000,000 torsion cycles
Min. bending radius, moving
7.5 × OD (≤ 16 mm²) · 10 × OD (≥ 25 mm²)
Min. bending radius, fixed
4 × OD
Max. acceleration
Up to 30 m/s² (3D wrist) · 50 m/s² (linear)

Resistance

Oil resistance
DIN EN 50363-10-2 · UL Oil Res I & II
Flame retardance
IEC 60332-1-2 · UL 1581 VW-1 / FT1
Halogen-free / Smoke density
IEC 60754-1/2 halogen-free PUR
Weld-spatter & LABS
Weld-slag resistant & LABS-free (VW PV 3.10.7)

Reference standards

Cable type (construction standard)
DIN VDE 0250 & ISO 10218 robot power spec
Conductor
Superfine copper exceeding IEC 60228 Class 6
Product approvals
UL AWM Style 21223 (1000 V 80 °C) · CSA AWM
RoHS & REACH
2011/65/EU (RoHS 2) & EC 1907/2006 compliant

Identification

Sheath colour
Matte Black (RAL 9005) or Orange (RAL 2003)
Core identification
Black phase cores U/V/W + GNYE protective earth
Marking
TEBAOFLEX ROBOT-PWR <size> 0.6/1kV ±180°/m 1000V UL CE
Customs tariff (HS)
8544.49

Sizes

14 standard 0.6/1 kV 3D torsion robot power sizes

Screened D-shield execution (±180°/m). Unscreened P execution (±360°/m) available across all cross-sections.

Dimensions & weights
Order designationConfigurationPhase sizeTorsion
rating		Outer Ø ≈
mm		Total Cu
kg/km		Weight ≈
kg/km		Min. bend R
moving mm		Enquiry
4G (3+PE) 3D Torsion Robot Power Cables (1.5–50 mm²)
ROBOT-PWR 4G1.5 D4G1.51.5 mm²±180°/m8.98113267
ROBOT-PWR 4G2.5 D4G2.52.5 mm²±180°/m10.512619079
ROBOT-PWR 4G4.0 D4G4.04.0 mm²±180°/m12.219627692
ROBOT-PWR 4G6.0 D4G6.06.0 mm²±180°/m14.1286388106
ROBOT-PWR 4G10 D4G1010 mm²±180°/m17.3464612130
ROBOT-PWR 4G16 D4G1616 mm²±180°/m20.9722920157
ROBOT-PWR 4G25 D4G2525 mm²±180°/m25.41,1151,380190
ROBOT-PWR 4G35 D4G3535 mm²±180°/m28.91,5401,875217
ROBOT-PWR 4G50 D4G5050 mm²±180°/m34.22,1802,620256
3+3G Symmetric-Earth 3D Torsion Spindle & Servo Power Cables
ROBOT-PWR 3×1.5+3G0.25 D3×1.5 + 3G0.251.5 mm²±180°/m9.28413869
ROBOT-PWR 3×2.5+3G0.5 D3×2.5 + 3G0.52.5 mm²±180°/m10.813019881
ROBOT-PWR 3×4.0+3G0.75 D3×4.0 + 3G0.754.0 mm²±180°/m12.620228694
ROBOT-PWR 3×6.0+3G1.0 D3×6.0 + 3G1.06.0 mm²±180°/m14.6294402110
ROBOT-PWR 3×10+3G1.5 D3×10 + 3G1.510 mm²±180°/m17.8475632134
  • Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
  • For composite power + brake + signal cores in a single robot dress-pack cable, see Robot Hybrid Power and Signal Cable.

Reel check

Will it fit your machine?

A first screen using datasheet values. Engineering confirms drum geometry, acceleration and tension with your quotation.

Check results

Drum core 160 mm is below 212 mmUse a larger drum core or a smaller cable size
180 m/min ≤ 240 m/minWithin the rated travel speed
Minimum bending radius
106 mm
Min. drum core diameter
≈ 212 mm
Cable weight on drum
4.7 kg
Copper content
3.4 kg
Indicative only: based on the datasheet outer diameter and 7.5 × OD bending radius. Current derating for wound layers per DIN VDE 0298-4 is assessed separately.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

  1. ConductorClass 5 stranding
  2. Spark test100 % in-line
  3. Lay-upCores, earth, fillers
  4. SheathingInner, braid / screen, outer
  5. Electrical testsAC voltage, resistance
  6. DimensionsOD, wall thickness
  7. Inspection documents & dispatchDrum & dispatch
Testing & inspectionTest value / referenceFrequency
Routine tests
4000 V AC high-voltage dielectric test4.0 kV AC core/core and core/screen for 5 minEvery manufactured length
Sample tests
3D torsion + bending endurance test≥ 5 million cycles at ±180°/m (D) or ±360°/m (P) without conductor or shield breakQualification & periodic audit
Hot weld-spatter & abrasion testResists molten welding slag droplets and DIN ISO 4649 abrasionType approval
LABS-free paint-wetting verificationPass VW PV 3.10.7 for automotive paint-shop robot installationType approval

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

CE (2014/35/EU LVD & 2014/30/EU EMC)UL AWM Style 21223 (80 °C 1000 V)VW PV 3.10.7 LABS-Free (Automotive Approved)

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX ROBOT-PWR <size> 0.6/1kV ±180°/m 1000V UL CE
Delivery form
Non-returnable fumigated wooden drums or coils
Standard lengths
100 m · 500 m · 1000 m (cut lengths on request)
MOQ
100 m (stock sizes) · 300 m (custom)
Lead time
2–3 weeks ex-works
Incoterms
EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFTorsion-Resistant Robot Power Cable – technical datasheet14 sizes · construction, technical data, approvalsXLSXTorsion-Resistant Robot Power Cable spec data (Excel)All 14 sizes with dimensions and data, for your BOM or quotation
Revision
2026-10-20
Updated
2026-10-20

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

How does Torsion-Resistant Robot Power Cable differ from a standard Shielded Servo Motor Power Cable?
A standard Shielded Servo Motor Power Cable uses a cross-woven tinned copper braid (≥ 85 %) designed for planar 2D linear drag chains (±30°/m max twist). On a 6-axis robot arm where the cable twists ±180°/m to ±360°/m millions of times, a cross-braid shears apart. Torsion-Resistant Robot Power Cable uses reverse-bundled Class 6+ copper strands, a central star-spline filler, PTFE sliding tapes, and a helically wound spiral copper D-shield.
Which sizes are used for robotic spot-welding guns and high-frequency milling spindles?
Medium-frequency (1000 Hz MFDC) servo spot-welding guns and heavy robotic milling spindles typically use 4G10, 4G16, 4G25, or 4G35 (or 3×10+3G1.5 symmetric earth) routed through the external dress pack from the weld timer / VFD cabinet to the Axis-6 tool changer.
Why are dual PTFE fluoropolymer sliding wraps placed below and above the copper D-shield?
During rapid multi-axis robot wrist articulation, the insulated phase cores, the helical copper shield, and the outer PUR sheath each experience different radial and axial strains. The counter-wound PTFE tapes provide an ultra-low-friction boundary (μ < 0.1) so the spiral copper shield glides smoothly without fretting or abrading the insulation.
Can this cable be ordered in DESINA orange (RAL 2003) as well as matte black (RAL 9005)?
Yes. Matte black (RAL 9005) is the standard for external automotive welding dress packs to hide soot and spatter, while DESINA orange (RAL 2003) is available for internal axis motor harnesses and machine-tending robots.

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Torsion-Resistant Robot Power Cable

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Reel & motion:
- Reel type: 
- Drum core diameter (mm): 
- Cable length on drum (m): 
- Travel speed (m/min): 
- Max. acceleration: 
- Cycles per hour: 
- Length and quantity: 
- Ambient temperature: 
- Exposure (outdoor, water, oil, abrasion): 
- Destination country: 
- Equipment and operating conditions:
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