Published: 2026-07-21
Shanghai Suoqi Cable Co., Ltd. is deeply engaged in the field of special flexible cables. The following provides a professional interpretation of drag chain cables from three dimensions: material structure, performance advantages, and application scenarios.
Product original reference: Highly flexible drag chain cable - elastomer sheath bend-resistant cable
1. Materials and Structural Parameters
Product Structure ● Product Model: DRAG300 ● Product Specifications: (2-38) cores, (0.14-1.5) mm²; (2-25) cores, (2.0-16) mm² ● Conductor: Fine stranded bare copper with high bending strength (compliant with IEC60228 cl.6 and VDE0295 cl.6 standards) ● Insulation: PVC compound with high mechanical performance (compliant with VDE0207 standard) ● Core Stranding Method: For fewer than 12 cores, cores are stranded in layers with short pitch; for 12 or more cores, cores are double-stranded with reinforced core in the middle, especially for torque-resistant construction ● Core Identification: For cross-section <0.5 mm², cores are color-coded (red, yellow, green, blue, black, gray, white, purple, pink, brown, orange, etc.); for cross-section ≥0.5 mm², one yellow-green core, the rest black with white numbers ● Shielding: Tinned braided shield with high bending strength, 85% coverage ● Outer Sheath: Low-adhesion PVC-based compound, suitable for drag chain use (compliant with VDE0282 standard) ● Sheath Color: Black (similar to RAL9005) (other colors upon customer request), Gray (similar to RAL7001), Orange (similar to RAL2003) Technical Characteristics ● Rated Voltage: <0.5 mm² 300/300V; ≥0.5 mm² 300/500V ● Test Voltage: <0.5 mm² 1500V/5min; ≥0.5 mm² 2000V/5min ● Operating Temperature Range: -30℃ to 90℃ (for movable installation) Bending radius: 6.8×D for travel <10m 7.5×D for travel ≥10m ● Operating Temperature Range: -40℃ to 90℃ (for fixed installation) Bending radius: 5×D ● Maximum Speed: 10 m/s; 5 m/s (overhead/slide) ● Maximum Travel Speed: 80 m/s ● Maximum Temperature during Short Circuit: 250℃ ● Bending Lifespan: 40 cycles/minute, >4 million cycles ● Flame Retardant Characteristics: Compliant with IEC332-1 standard ● Material Properties: Waterproof, oil-resistant, radiation-resistant, cold-resistant, wear-resistant, able to withstand heavy mechanical force ● Compared with medium-duty drag chain cables: faster acceleration and stronger flexing durability Application Scenarios ● Suitable for high load ● Especially suitable for horizontal overhead and long travel up to 100 meters requiring shielding ● Applicable for logistics equipment systems, hardware stamping, machinery (robots), construction machinery, docks, fire trucks, automobile manufacturing, wood and stone processing equipment, machine tool processing, etc.
2. Performance Technical Indicators
This series of products undergoes strict process control and quality inspection, ensuring stable and reliable performance that meets the needs of various industrial application scenarios.
3. Application Scenarios
Drag chain cables are widely used in fields such as industrial automation, hoisting and transportation, and ports and docks.
About Shanghai Suoqi
Shanghai Suoqi Electric Wire & Cable Co., Ltd. is a specialized cable enterprise focusing on the research and development, design, production, and sales of special flexible cables. The company's products cover a series including reel cables, flat cables, drag chain cables, encoder cables, polyurethane cables, seawater-resistant cables, seawater-resistant network cables, and high-altitude vehicle cables, which are widely used in ports machinery, mining, industrial automation, marine engineering, and other fields. For more product information or inquiries, please call 13311756197 (same number on WeChat).