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Single-pole Insulated Conductor Rails
Single-pole insulated conductor rails for cranes are a highly reliable mobile power supply system specifically designed for various types of lifting equipment, including overhead, gantry, and jib cranes. They are constructed from highly conductive copper or aluminum alloy conductors and encased in multiple layers of high-strength, flame-retardant engineering plastic insulation, forming a rigid, self-supporting, enclosed structure.
The conductor rail materials are copper (200 A–5000 A) and aluminum (150 A–3000 A).
The conductor rail system can be installed indoors or outdoors. For high-temperature applications, high-temperature insulation covers rated up to +115°C are available; for low-temperature applications, the system is rated down to -40°C.
Description
Factory Workshop Overhead Cranes: Provides independent and stable power and signal transmission for multiple moving mechanisms of the crane, including the main girder, trolley, main hook, and auxiliary hook, meeting the demands of heavy-duty lifting and precision handling tasks. It is particularly suitable for workshops in the automotive manufacturing, heavy machinery, and steel metallurgy industries.
Port and Yard Gantry Cranes: In harsh outdoor environments characterized by high salt fog, high humidity, and extreme temperature fluctuations, its superior sealing and corrosion-resistant properties ensure uninterrupted power supply to large equipment such as container gantry cranes and ship loaders, significantly enhancing operational reliability and equipment utilization.
Warehouse and Logistics Center Jib Cranes/Light-Duty Cranes: Within warehouse spaces, their compact structure, flexible installation, and neat appearance provide safe and clean power supply for light-duty lifting equipment, eliminating safety hazards and maintenance hassles caused by cable dragging.
Features
1. Ultimate Safety and Reliability: Featuring a fully enclosed insulated design with IP protection ratings up to IP23/54/65, these cables fundamentally eliminate risks of electric shock, phase-to-phase short circuits, and foreign object contact. The conductors and insulating materials are bonded through a specialized process, delivering exceptional seismic and impact resistance that fully accommodates the vibrations and swaying inherent in crane operations.
2. High Efficiency and Low Energy Consumption: The conductor boasts high electrical conductivity, low contact resistance, and minimal voltage drop, delivering outstanding energy efficiency and effectively reducing power loss. Additionally, its low-impedance characteristics minimize voltage fluctuations during crane motor startup, making it more compatible with the power grid and electrical equipment.
3. Extended Lifespan and Minimal Maintenance: The collector (current collector) features a multi-contact, high-resilience, self-compensating design (e.g., C-type or V-type carbon brushes), ensuring stable contact with the conductor rail and uniform wear, resulting in a service life far exceeding that of traditional solutions. The system is virtually maintenance-free, requiring only routine inspections, which significantly reduces total lifecycle costs.
4. Rapid Deployment and Professional Support: We provide modular components in standard lengths that support flexible assembly and quick installation, significantly shortening project timelines. With extensive experience in crane industry applications, we offer end-to-end professional services—from solution design and on-site guidance to after-sales support—ensuring the system is perfectly matched to your crane and operates efficiently.
Technical Data
| Conductor rail | Aluminum | Copper | |||||
| Nominal current at 100%DC and 35℃(A) |
250-300 | 320-1250 | 230-800 | 1250 -3000 | 500 -800 | 800 -1600 | 1250 -5000 |
| D.C.resistance at 35 ℃ (Ω/km) | 0.203 -0.187 | 0.153 -0.046 | 0.153 -0.067 | 0.043 -0.015 | 0.116 -0.067 | 0.067 -0.039 | 0.036 -0.007 |
| Impendance at 35 ℃ (Ω/km) | 0.209 -0.195 | 0.155 -0.048 | 0.155 -0.069 | 0.044 -0.017 | 0.118 -0.069 | 0.069 -0.040 | 0.038 -0.008 |
| Support spacing (m) | 1.5 | 1.8 | 1.8 | 2 | 1.5 | 1.8 | 2 |
| Rail length (m) | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Housing length(m) | 5.88 | 5.83 | 5.83 | 5.75 | 5.88 | 5.83 | 5.75 |
| Max.voltage (V) | 690 | ||||||
| Dielectric strength (KV/mm) | 30 -40 | ||||||
| Standard | GB7251.2 -2006 | ||||||
| Traveling speed | ≤600m/min | ||||||
| Expansion joint | Not required up to 200 mins installation length | ||||||
| Flame retardant | Class B1 -no flaming particles, self -extinguishing | ||||||
| Permissible ambient temperature | Standard insulation -20 ℃ -+70 ℃ High temperature insulation -10 ℃ -+115 ℃ Low temperature insulation -40 ℃ -+85 ℃ |
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