INDUSTRY COMPONENT

Power Cables

Power cables transmit electrical energy from power sources to servo motors and drive systems in industrial machinery.

Component Specifications

Definition
Power cables are insulated conductors designed to safely transmit high-voltage electrical power from distribution panels or power supplies to servo motors and drive systems. They consist of conductive cores (typically copper or aluminum), insulation layers, shielding, and protective jackets to ensure reliable power delivery while minimizing electromagnetic interference and physical damage in industrial environments.
Working Principle
Power cables operate on the principle of electrical conductivity, where the conductive core carries alternating current (AC) or direct current (DC) from the power source to the servo motor. The insulation prevents short circuits and electrical leakage, while shielding reduces electromagnetic interference that could affect sensitive drive system electronics. Proper cable sizing ensures minimal voltage drop and efficient power transmission.
Materials
Conductive core: Copper (stranded or solid) or aluminum; Insulation: Cross-linked polyethylene (XLPE), polyvinyl chloride (PVC), or ethylene propylene rubber (EPR); Shielding: Copper braid or aluminum foil; Jacket: Polyurethane (PUR), PVC, or thermoplastic elastomer (TPE) for abrasion and chemical resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Bending Radius5x cable diameter minimum
Conductor Size0.5 mm² to 95 mm²
Voltage Rating600V to 2000V
Temperature Range-40°C to 90°C
Shielding Effectiveness>90 dB at 100 MHz

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 6722, DIN VDE 0295

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Electrical shock from damaged insulation
  • Fire hazard due to overheating
  • Signal interference from improper shielding
  • Mechanical failure from excessive bending or abrasion
FMEA Triads
Trigger: Insulation degradation from chemical exposure or overheating
Failure: Short circuit leading to motor malfunction or system shutdown
Mitigation: Use chemical-resistant jackets, ensure proper ventilation, and implement regular insulation resistance testing
Trigger: Inadequate shielding or grounding
Failure: Electromagnetic interference affecting drive system performance
Mitigation: Use fully shielded cables, ensure proper grounding connections, and follow installation guidelines for separation from control cables

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Voltage drop ≤ 3% at rated current, insulation resistance ≥ 100 MΩ at 500V DC
Test Method
High-potential (hipot) testing, continuity testing, shielding effectiveness measurement per ISO 6722

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Power Cables

6 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Romtronic International Co., Limited
Dongguan, Guangdong, CN
Founded 199710,000㎡
ISO 9001:2015 ISO 13485:2016 IATF 16949
Managed by the manufacturer
Listed on the company's own website
Changzhou Anchuang Intelligent Equipment Co., Ltd.
Jiangsu, CN
100+ staff
ISO9001 CE
Listed on the company's own website · profile compiled by CNFX from public sources
ANEN Power
Shanghai, CN
Also makes: Main Circuit Breaker
Listed on the company's own website · profile compiled by CNFX from public sources
NBC
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
PCM Cable
Dongguan, Guangdong, CN
Also makes: Industrial Camera, Feed Box, Control Cabinet and 7 more
Listed on the company's own website · profile compiled by CNFX from public sources
PowerTel Solutions Limited
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the difference between power cables and control cables in servo systems?

Power cables transmit high-voltage electrical energy to drive the servo motor, while control cables carry low-voltage signals for communication and feedback between the drive and controller. They require different shielding and insulation specifications.

How do I select the correct power cable size for a servo motor?

Select based on the motor's current rating, voltage, cable length, and ambient temperature. Refer to manufacturer datasheets and standards like ISO 6722 to ensure minimal voltage drop and prevent overheating.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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