Metal structures for 0.4kV overhead lines with insulated wires

Technical Data
Material:

Hot-dip galvanized steel or stainless steel, ensuring corrosion resistance.
Optional aluminum alloys, reducing weight and offering oxidation resistance.
Hooks:

Type: Fastening hooks, insulator holders.
Length: 100–300 mm (depending on model and mounting requirements).
Mounting: Bolted or welded installation.
Maximum Load: From 100 kg to 300 kg.
Crossarms:

Type: Horizontal supporting structure designed for mounting multiple insulated wires.
Length: 500–1500 mm (depending on the number of wires and line width).
Connection Methods: Attached to poles using clamps, bolts, or welding.
Protection: Galvanized coating resistant to mechanical damage and weather conditions.
Operating Voltage: 0.4 kV.
Environmental Resistance:

Temperature Range: From -40 °C to +50 °C.
Resistance: Withstands humidity, UV rays, and strong winds.
Applications
Overhead Line Infrastructure:

Designed for fastening and supporting insulated wires in 0.4 kV power transmission lines.
Ensures proper wire arrangement and stability, preventing wire contact and mechanical damage.
Private and Public Networks:

Used in power transmission lines for residential areas, rural locations, and industrial facilities.
Pole Installation:

Hooks and crossarms are used for wire mounting on wooden, concrete, or metal poles.
Modernization and Repairs:

Suitable for new line installations and upgrading existing infrastructure.
Pros
High Quality and Reliability: Resistant to corrosion and adverse weather conditions, ensuring long-term durability.
Ease of Installation: Hooks and crossarms are designed for quick and efficient assembly.
Compatibility: Suitable for various types of insulated wires used in 0.4 kV power lines.
Safety: Provides stable wire support, reducing the risk of mechanical damage and short circuits.
Environmental Resistance: Withstands temperature fluctuations and mechanical loads, enhancing system reliability.
Cons
Maintenance Requirements: Despite corrosion resistance, periodic maintenance may be necessary in highly aggressive environments.
Initial Investment: High-quality materials and coatings can increase costs compared to simpler constructions.
Installation Conditions: Specialized tools and, in some cases, experienced installers are required for proper assembly.
Summary
0.4 kV Overhead Line Metal Structures for Insulated Wires are reliable and robust materials that ensure safe and long-lasting power line functionality. Hooks and crossarms are critical components of electrical line infrastructure, contributing to efficient energy transmission and network reliability. These components are widely used for new line installations and modernization of existing infrastructure, particularly in residential and industrial areas.