China Load Bank Cables Manufacturers Suppliers Factory - Customized Load Bank Cables Price

High-Flex Load Bank Cables and Pre-Terminated Power Assemblies

High-flexibility portable power cables engineered for load testing, generator commissioning, and temporary power distribution. Built with fine-stranded Class K copper conductors and heavy-duty EPDM/CPE jackets, these cables deliver high current ampacity, tight bending radiuses, and high resistance to mechanical impact, oils, and outdoor weather.

We supply both bulk cables on heavy spools and factory-terminated cable sets equipped with industry-standard Series E1016 Cam-Lok connectors or heavy-wall 2-hole compression lugs.

Ultra-High Load PUR Servo Cable
Ultra-High Load PUR Servo Cable adopts heavy-duty PUR construction, ultra-small bending radius, high acceleration resistance, oil and scratch proof. It fits heavy-duty robots, long-stroke automation
Medium-Load PUR Servo Cable
Medium-Load PUR Servo Cable features halogen-free, oil-proof, hydrolysis-resistant PUR jacket. It supports 10×D bending radius, strong EMI shielding, and fits medium-load automation, machine tools
Low-Load PUR Servo Cable
Low-Load PUR Servo Cable adopts wear-resistant PUR jacket, wide temperature range, oil and coolant resistant. It delivers stable signal transmission for light-duty drag chains, suitable for machine
High-Load PVC Servo Cable
High-Load PVC Servo Cable features heavy-duty design, high-density shielding, and strong oil resistance. It supports high acceleration up to 80m/s², ultra-small bending radius, and suits heavy-load
Medium-Load PVC Servo Cable
Medium-Load PVC Servo Cable uses oil-resistant PVC compound, double shielding structure, suitable for middle-load motion control. It provides strong anti-interference, fast stripping, long flex life,
Low-Load PVC Servo Cable
Low-Load PVC Servo Cable features flexible PVC jacket, optimized for light-duty drag chain motion. It offers stable signal transmission, oil-resistant, flame-retardant, and fits indoor automation,
TPE Ultra-High Load Measurement System Cable
TPE Ultra-High Load Measurement Cable features TPE jacket, 7.5×D bending radius, -35℃~+90℃, 10m/s speed, 100m/s² acceleration, 400m stroke. Class 4 oil-resistant, halogen-free, low-temp flexible, 10
PUR Ultra-High Load Measurement System Cable
PUR Ultra-High Load Measurement Cable for extreme heavy-duty motion. Features PUR jacket, 7.5×D bending radius, -25°C~+80°C, 10m/s speed, 50m/s² acceleration, 100m stroke, oil-resistant, fast
PUR Oil-Resistant Medium Load Measurement System Cable
PUR Oil-Resistant Medium Load Measurement Cable features wear-resistant PUR jacket, 10×D bending radius, -25°C~+80°C, 5m/s speed, 30m/s² acceleration, full oil resistance, hydrolysis-proof,
PVC General Middle Load Measurement System Cable
PVC Middle Load Measurement Cable features oil-resistant PVC jacket, 10×D bending radius, +5–+70°C, 5m/s speed, 30m/s² acceleration, 90% shielding, Class 2 oil resistance, flame-retardant, 7.5
PVC General Low Load Measurement System Cable
PVC General Low Load Cable is for light-duty drag chains. With PVC jacket, 15×D bending radius, +5–+70°C, 3m/s speed, 20m/s² acceleration, 10m stroke, aluminum foil & tinned copper shielding,
Thermoplastic Elastomer Cable
TPE cables have TPE sheath and EN 60228 conductors, with -35℃~+70℃, Class 4 oil resistance, 10×D bending radius and 1 billion cycles. Featuring 90% shielding, halogen-free, high acceleration and

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Product Categories

We manufacture four specialized load bank cable series engineered for varied voltage ranges, handling demands, and connection interfaces:

Single-Conductor High-Flex Load Cables (4/0 AWG to 535 MCM):

Extra-flexible 600V / 2000V single-core power cables for heavy load bank testing. Fine-braid conductor design allows easy manual coiling and deployment on site.

Pre-Terminated Cam-Lok Cable Assemblies:

Factory-assembled cables fitted with male/female Series E1016 (or E1018) Cam-Lok connectors. Color-coded (Black, Red, Blue, White, Green) for immediate phase identification during field setups.

Multi-Conductor Heavy-Duty Portable Power Cables (Type W, Type G-GC):

Round multi-core power cables with embedded grounding conductors, suitable for automated cable reels and high-density load testing setups.

Custom Lug-Terminated Power Jumpers:

High-ampacity flexible jumpers terminated with heavy-duty seamless tinned copper compression lugs for direct bolting to generator busbars or load bank terminals.

Specifications and Construction

Parameter / Cable Spec	2/0 AWG	4/0 AWG	350 MCM	535 MCM (DLO Type)
Inner Conductor Construction	Class K Fine Stranded BC (1,330/30 AWG)	Class K Fine Stranded BC (2,109/30 AWG)	Class K Fine Stranded BC (3,458/30 AWG)	Class I Tinned Copper (1,330/24 AWG)
Conductor Diameter	11.8 mm	15.0 mm	19.5 mm	23.6 mm
Insulation Material	EPDM (Ethylene Propylene Rubber)	EPDM (Ethylene Propylene Rubber)	EPDM (Ethylene Propylene Rubber)	EPR / Heavy-Duty EPDM
Outer Jacket Material	Heavy-Duty CPE / Neoprene	Heavy-Duty CPE / Neoprene	Heavy-Duty CPE / Neoprene	Double-Layer CPE / CSPE
Outer Diameter (Nominal)	18.5 mm	22.1 mm	28.2 mm	34.0 mm
Voltage Rating	600 V / 2000 V	600 V / 2000 V	600 V / 2000 V	2000 V
Ampacity at 90°C (In Free Air)	300 A	405 A	550 A	700 A
Min. Operating Temperature	-40°C	-40°C	-40°C	-40°C
Max. Conductor Temperature	+90°C / +105°C	+90°C / +105°C	+90°C / +105°C	+90°C / +105°C
Min. Bending Radius	6 × Outer Diameter	6 × Outer Diameter	8 × Outer Diameter	8 × Outer Diameter

Application and Working Conditions

Data Center Commissioning:

Extended full-load duration testing of uninterruptible power supply (UPS) units, diesel generators, and power distribution cabinets without conductor overheating or insulation creep.

Generator Rental Fleets and Temporary Power:

Frequent layout, manual dragging over concrete, coiling, and transport. The CPE outer jacket prevents abrasion, cut-through, and tearing.

Marine and Offshore Power Testing:

Resistant to salt spray, engine oil exposure, hydraulic fluids, diesel fuel splash, and continuous UV exposure during shipyard trials.

Sub-Zero and High-Heat Environments:

Retains physical flexibility at sub-zero temperatures down to -40 deg C without jacket cracking, while operating continuously at conductor temperatures up to +105 deg C.

Standards and Compliance

Our raw materials, extrusion processes, and terminated assemblies conform to international heavy-duty electrical and safety standards:

01/

Quality System: ISO 9001:2015 certified cable extrusion and terminal processing facility.

02/

Cable Standards Conformity: Manufactured to ICEA S-95-658 / NEMA WC70 and UL 44 / UL 1686 performance requirements.

03/

Flame and Mechanical Ratings: MSHA (Mine Safety and Health Administration) flame-resistance approval; VW-1 vertical flame test compliance.

04/

Environmental and Safety Compliance: RoHS 3 (EU 2015/863) compliant materials, REACH SVHC list verified, and CE marked for global deployment.

Custom Cable and OEM Options

Termination Customization:

Factory assembly with Series E1016 / E1018 Cam-Lok connectors, heavy-duty 2-hole NEMA compression lugs, or insulated clamp terminations.

Custom Lengths and Assemblies:

Pre-cut exact lengths (e.g., 25 ft, 50 ft, 100 ft) or specialized jumper sets tailored for portable load bank cart setups.

PUR Ultra-High Load Measurement System Cable

Jacket Colors and Phase Marking:

Full jacket color options (Black, Red, Blue, White, Green, Yellow, Orange) or custom heat-shrink phase labeling for intuitive field connection.

Fleet Branding:

Custom hot-stamp legend or laser-inkjet printing of company name, serial numbers, ampacity ratings, and length markers at 1-meter or 3-foot intervals along the outer jacket.

Quality Control and Testing

Conductor Flex and Purity Check:

Raw copper strands undergo 99.99% purity verification via optical emission spectroscopy; tensile and elongation tests ensure flex resistance without micro-strands snapping.

Inline Wall Thickness and Spark Test:

Continuous laser wall-thickness gauges verify jacket symmetry; inline high-voltage spark testing (up to 10 kV) checks for pinholes or voids in insulation.

Terminal Crimp Mechanical Pull Test:

Every batch of crimped connectors undergoes destructive pull-force testing using calibrated hydraulic pull testers to verify mechanical terminal retention.

Electrical Resistance and High-Pot Testing:

100% micro-ohmmeter testing verifies conductor DC resistance and terminal junction resistance; 5 kV AC Dielectric Withstand testing ensures insulation integrity.

Packaging and Delivery

Packaging Options:

Pre-Terminated Assemblies:

Coiled, heavy-duty zip-tied, and wrapped in protective film, organized in reinforced wooden crates or heavy plastic storage totes for rental fleet handling.

Bulk Cable Supply:

Wound on heavy-duty non-returnable wooden or steel reels (500 m / 1,000 m lengths) with sealed cable ends to prevent moisture entry.

Protective Freight Packing:

Heat-treated, IPPC-stamped fumigated plywood pallets wrapped in shrink film with reinforced corner protection.

Delivery Lead Time:

Standard 4/0 AWG and 350 MCM black/red bulk cables ship in 7-10 days. Pre-terminated custom Cam-Lok cable sets ship in 14-21 days upon drawing approval.

FAQ

Q: What is the advantage of fine-stranded Class K copper over standard Class B conductors for load bank testing?

A: Class K conductors utilize thousands of ultra-fine copper strands (e.g., 2,109 strands for 4/0 AWG), yielding a much smaller bending radius and significantly higher physical flexibility. This reduces physical fatigue for field operators during manual coiling and deployment compared to rigid Class B cables.

Q: How do you ensure the Cam-Lok connector does not overheat or pull off under heavy current?

A: Connectors are attached using calibrated hydraulic crimping dies matched to the specific terminal barrel and conductor MCM/AWG size. We then install flame-retardant heat-shrink tubing over the junction. Junctions are spot-tested for DC micro-ohm resistance to prevent high-resistance hot spots under full-load current.

Q: What outer jacket material is recommended for load cables used in oil-rich or outdoor environments?

A: Chlorinated Polyethylene (CPE) or Chlorosulfonated Polyethylene (CSPE) is recommended. These compounds provide superior resistance to engine oils, diesel fuel spills, sunlight/UV degradation, and mechanical abrasion compared to standard PVC jacketing.

Q: Are single-conductor cables rated for indoor building load tests?

A: Yes, provided they comply with NEC (National Electrical Code) guidelines for temporary power. Our CPE/EPDM cables carry VW-1 flame ratings and can be routed indoors for temporary commissioning tests when laid according to local electrical codes.

Q: What documentation is supplied with pre-terminated load bank cable orders?

A: Each shipment includes a Factory Inspection Certificate detailing conductor resistance values, high-voltage spark test results, crimp pull-test validation, and material compliance certificates (RoHS / MSHA / ISO).

Q: What details are required to obtain a custom OEM load bank cable quote?

A: To generate an accurate technical quote, please provide:
Cable size (AWG or MCM) and required ampacity
Total length per cable segment and color quantity
Connector requirements (Cam-Lok gender/color or compression lug hole size)
Operating environment constraints (e.g., extreme cold, oil contact, or flame rating needs)

As one of the most professional load bank cables manufacturers and suppliers in China, we also support customized service. Please feel free to buy bulk high quality load bank cables in stock here from our factory. For price consultation, contact us.