Industrial Robot Cable High Flex Drag Chain Servo Motor Cable Torsion Resistant Robot Arm Cable EMI Shielded UL Approved
Specification
| Basic Structure | Conductor+Insulation+Jacket+Hose |
| Conductor | Plain Copper/ Tinned Copper |
| Insulation | PE |
| Braid | Kevlar/ Plain Copper/ Tinned Copper |
| Jacket | PUR/TPE/PCP |
INTRODUCTION
Quick Answer
An industrial robot cable is purpose-engineered to survive the three stresses that kill standard flexible cable: continuous bending, torsional twist, and electromagnetic interference (EMI). For most robot applications you need four things at once:
High-flex drag chain rating — 10 million+ bending cycles in a cable carrier
Torsion resistance — up to ±180°/m for rotating robot arms
EMI shielding — tinned-copper braid ≥ 85% density for clean servo encoder and fieldbus signals
UL approval (UL 758) — export-ready for North America, accepted by integrators
If your robot keeps throwing servo alarms or snapping cables, the cause is almost always cable construction — not the robot.
1. What Is an Industrial Robot Cable?
A cable designed for robotic systems — articulated arms, SCARA, delta, cobots, gantries, and automated lines — transmitting power, control signals, encoder feedback, and data between controller, servo drives, and moving joints. Unlike ordinary flexible cable, it must handle bending, twisting, and EMI simultaneously, so it is specified, not substituted.
A complete robot wiring set uses all three: arm cables along the arm, servo cables for power/feedback, drag chain cables for the moving external axis.
6-axis articulated robots · SCARA & delta pick-and-place · collaborative robots (cobots) · CNC machine tools · automated production lines · welding robots · AGVs and mobile robots.
Motion: drag chain (bending) or rotating arm (torsion)? State radius, travel, torsion angle (e.g. ±180°/m)
Cycle life: 5M / 10M / 20M+ cycles determines the cable grade
Signals: power only, or power + encoder + brake + fieldbus? Shielding and capacitance follow
Environment: temperature, oil/coolant, chemicals → jacket material (PUR vs. TPE vs. PVC)
Certification: UL/CE required by customer or destination market?
Customization: length, connectors (M12/M23/M17), colors, marking — confirm MOQ & lead time
What's the difference between an industrial robot cable and a regular cable? A regular flexible cable handles occasional bending. An industrial robot cable is engineered for continuous high-frequency bending, torsional stress, and EMI protection — Class 6 conductors, counter-rotating stranding, shielding, and a PUR jacket rated for millions of cycles.
What does "high-flex" mean? Tested to survive a high number of bending cycles — typically 10 million+ — in a cable carrier without conductor or jacket failure. Ratings depend on test conditions, so always request the test report.
What is a torsion-resistant cable used for? Rotating robot arms and wrists, where the cable must twist repeatedly without winding up or failing. Typically aramid-reinforced, rated e.g. ±180°/m.
Why is EMI shielding important for servo motor cables? Servo drives generate strong interference. Without shielding, encoder and fieldbus signals are corrupted, causing servo alarms, jitter, and data loss.
Is this cable UL approved? Yes — UL 758 (AWM style), plus CE, RoHS, REACH. UL certificate and test reports available on request.
Can you customize length, connectors, and jacket color? Yes — length, connectors (M12, M23, M17, etc.), colors, and marking on OEM orders. Send your drawing for a tailored solution
ADVANTAGES
FAQ
Q: Is Derul Cable the original manufacturer?
A: Derul Cable is a special cable manufacturer. Our factory is based in Shanghai.
Q: Is the price negotiable?
A: Yes, the price is negotiable. Our price is also flexible due to several factors including purchase quantity.
Q: What is the regular MOQ for your cable?
A: Any quantity is okay to purchase for product at stock. For product with no stock, its MOQ is usually 100-200 meters per type.
Q: How can I get sample?
A: Usually you only need to pay the express freight, and after your confirmation of the product dimension and structure, we can arrange the sample and send it directly to you.
Q: Is OEM or ODM service available?
A: OEM and ODM services are both available. You can provide us with your requirement for the product and we will evaluate it to push forward.
Q: What is the regular production time?
A: For regular quantity, it usually costs about 15-25 days to produce.
Quick Links
WhatsApp: +86 13641831061
E-mail: sales@derulkable.com
Add.:No.236 Fenggao Road Fengxian District Shanghai China
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