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450/750 В

12 Min Read
Spreader Bar Cable Application: What is a spreader bar? Container crane context: Gantry crane positioned at dock Overhead hoist mechanism: Winch + trolley system Spreader bar: Attachment point below hoist Function: Grips container corners, distributes load, tilts container for placement Spreader bar structure: Framework: Steel tubes/beams forming rectangular frame Lifting points: 4 corner attachment rings (one per container corner) Electrical system: Motor-driven locks, position sensors, lighting Cables: Power supply for motors + control signals for locking mechanism Cable location (spreader bar): Vertical run (primary): From crane hoist (top) down 20–40 m to spreader bar (bottom) Function: Supply power for: - Corner lock solenoids (release container locks) - Position feedback sensors (confirm locks engaged) - Optional: Spreader bar lighting (visibility during operation) Simultaneous function: Act as partial mechanical support (share load with main hoist cable) Horizontal distribution (on spreader bar): From entry point distributed across spreader frame Supply all four corner lock motors Branching: May split into smaller branches (4× circuits to corners) Mechanical load: Cable must withstand: Static tension: Weight of container payload (20–40 tons distributed) Dynamic loads: Jerking during load acceleration, swinging in wind Thermal: Tropical port environment, direct sun, saltwater spray Abrasion: Rubbing against spreader frame during operation Cable design philosophy: Dual function (unique): Electrical function: Deliver 300/500V power for locking system Mechanical function: Share load-bearing (not primary structure, but support role) Different from: Pure electrical cables (festoon, lifting): Electrical function only Pure mechanical ropes: Mechanical function only BASKET SPREADER 730: Both functions integrated Speed specification rationale: 160 m/min (relatively slow): Container crane cycle time: ~45–60 seconds per lift Descent distance: 20–40 m Descent speed: 20–40 m ÷ 45–60 sec = 0.33–0.9 m/s = 20–54 m/min Average speed: ~30 m/min (loading) + 20 m/min (discharge) = 25 m/min 160 m/min specification: 6–8× safety margin on speed Design: Allows for fast emergency ascent if needed Why not higher speed? Mechanical load constraint: Heavy cable (4000 N = ~400 kg equivalent) Inertia: Accelerating 400 kg + spreader bar + container inertia takes time Structural: Crane frame limits acceleration rates (safety interlocks) Result: 160 m/min is practical maximum for loaded spreader bar
Technical Department
on12/06/2026

Что такое Flexible Power and Control Flat Cables in line with CEI 20-19 Part 4 Table 1: FLEXIFLAT 450/750 V

FLEXIFLAT 450/750 V (N)GFLGÖU-J / (N)GFLGÖU-JZ — это гибкие плоские силовые и контрольные кабели для подвижного оборудования, где кабель одновременно испытывает многократный изгиб, продольное растяжение, истирание, контакт с направляющими, роликами, кабельными тележками и тяжёлой промышленной средой. Для Feichun такая конструкция особенно важна в шахтных машинах, портовой механизации, перегружателях, конвейерных системах, крановых тележках и мобильных приводах, где круглый кабель не всегда оптимален по укладке, высоте пакета и контролю движения.
13 Min Read
LIFT-2S (European) vs. LIFT-1S UL (North American): LIFT-2S characteristics: Voltage: 300/500V (European standard, lower voltage) Temperature: −40°C to +70°C (moderate range) Standards: VDE 0482 part 265-2-1, EN 50265-2-1, IEC 60332-1-2 Design philosophy: Safety by material redundancy (2 steel cores) Steel cores: 2× cores provide mechanical backup Conductor: Class 6 (European, ~150–200 wires per mm²) Cost: Lower (proven European manufacturing) Market: Europe, Asia-Pacific, most of world LIFT-1S UL characteristics: Voltage: 600V (North American standard, higher voltage) Temperature: −25°C to +105°C (extreme range, high-temp optimized) Standards: UL 2562, UL 62, CSA C22.2 No.210.2 Design philosophy: Safety by certification (single core + redundant control) Steel core: 1× core (sufficient with nylon covering) Conductor: Class M (UL, extra fine ~300+ wires per mm²) Cost: Higher (UL testing, certification documentation) Market: North America (USA, Canada), Mexico UL 2562 specialty certification: UL 2562 scope: Elevator and Dumbwaiter Cables Specific requirements: 1. Pendant cable design (cable hangs freely, no duct support) 2. Vertical orientation (designed for gravity-loaded suspension) 3. Repeated flex cycles (cable moves up/down frequently) 4. Safety-critical function (failure = personnel risk) Consequence: More stringent than general-purpose cables Testing includes: Bend cycle fatigue, heat aging, compression resistance Test procedures (unique to UL 2562): Bend cycle test: 1,000+ cycles at minimum bending radius Cable must pass insulation resistance after cycling Heat aging: 500+ hours at 105°C continuous Tensile strength retention minimum 70% Compression: 1,000+ hours under sustained compression Cable cross-section must not exceed 5% permanent deformation LIFT-2S (no UL 2562): Tests per VDE are less stringent on fatigue/cycling Assumes cable mostly static, not repeated flex Adequate for European elevator duty (lower speed, fewer cycles) LIFT-1S UL: All UL 2562 tests passed (proven for North American elevators) Faster cycle times, more frequent motion → more fatigue stress Extra testing ensures reliability under North American elevator duty Market requirement (regulatory): Europe/International: CE mark required (European conformity) VDE/EN/IEC standards sufficient No UL certification needed (not recognized in EU) LIFT-2S is sufficient North America (USA, Canada): UL certification mandatory for elevators UL 2562 specifically for elevator cables CSA dual certification required in Canada LIFT-2S NOT acceptable (lacks UL 2562) LIFT-1S UL mandatory Cost implication: UL certification: ~$5,000–15,000 per product per region Testing duration: 3–6 months per model Documentation: Comprehensive test reports, technical files Result: LIFT-1S UL 20–30% higher cost than equivalent European cable
Technical Department
on12/06/2026

Что такое H07RN-F / 60245 IEC 66(YCW): heavy-duty rubber-sheath cable для ручных устройств, промышленности, сельского хозяйства, света и звука

H07RN-F / 60245 IEC 66(YCW) / YCW — это heavy-duty rubber-sheath cable стандартной тяжёлой конструкции с CCC and VDE dual certification. Кабель предназначен для hand-held and power supply devices, dry and damp interiors, limited outdoor use, light and sound technology, industrial and agricultural use under medium mechanical stress. По предоставленным данным он имеет fine wire bare copper conductors, rubber type EI4 core insulation, black rubber type EM2 outer sheath, U0/U 450/750 V nominal voltage, 2500 V test voltage, flame-retardant behaviour according to IEC 60332-1-2, oil resistance according to EN 60811-404 and compliance with IEC 60245.4.