High Mechanical Strength
Engineered to withstand high wind, seismic, and short-circuit forces safely.
Bus Support Structures
ZZ Steel Bus Support Structures are designed to support and position busbars in electrical substations. They are engineered for high mechanical strength, excellent electrical clearance, and long-term reliability in accordance with international standards.
High Strength
& Stability
& Stability
Corrosion
Protection
Protection
Optimized
Design
Design
Optimized
Design
Design
Long Service
Life
Life
Product Overview
Bus Support Structures hold and position busbars in substations while withstanding electrical, mechanical, and environmental loads. Our structures are optimized for strength, corrosion resistance, and easy installation and maintenance.
Product TypeBus Support Structure
ApplicationElectrical Substation (AIS / GIS)
MaterialQ235B / Q355B / ASTM A36 / A572
Structure TypeSingle Column / Double Column / Portal Type
Surface TreatmentHot Dip Galvanized / Powder Coated
Galvanizing StandardISO 1461 / ASTM A123
Design StandardIEC 60826 / IEC 61936 / ANSI C37.30 / ASCE 10
Wind SpeedUp to 60m/s
Seismic IntensityUp to 9 degree
Service LifeMore than 30 years
Key Features
Electrical Performance
Optimized clearances and creepage distances for different voltage levels.
Corrosion Resistance
Hot dip galvanized for excellent protection in harsh environments.
Optimised Design
Flexible design for single column, double column, and portal configurations.
Easy Installation
Pre-fabricated components ensure fast and accurate installation.
Long Service Life
High-quality materials and galvanizing ensure more than 30 years of reliable operation.
Types of Bus Support Structures
Single Column
Bus Support
Double Column
Bus Support
Rigid Portal
Bus Support
Adjustable Height
Bus Support
Dead End
Bus Support
Technical Specifications (Example)
| Voltage Level (kV) | Structure Type | Height Range (m) | Span Range (m) | Busbar Arrangement | Material | Surface Treatment | Design Standard |
|---|---|---|---|---|---|---|---|
| 66 – 132 | Single Column | 4 – 12 | 3 – 10 | Single / Double / Triple | Q235B / Q355B | HDG (≥ 85μm) | IEC 60826 / IEC 61936 |
| 110 – 220 | Double Column | 5 – 14 | 5 – 12 | Single / Double / Triple | Q355B / Q355B | HDG (≥ 85μm) | IEC 60826 / IEC 61936 |
| 220 – 330 | Rigid Portal | 6 – 18 | 6 – 15 | Double / Triple | Q355B / Q355B | HDG (≥ 85μm) | IEC 60826 / IEC 61936 |
| 500 | Rigid Portal | 8 – 24 | 10 – 20 | Triple / Quadruple | Q355B / Q420B | HDG (≥ 85μm) | IEC 60826 / IEC 61936 |
Note: Data above for reference only. Custom design available according to project requirements.
Manufacturing Process
1. Raw Material
High-quality steel plates and sections inspection.
2. Cutting
CNC cutting for precise dimensions.
3. Drilling & Punching
Accurate drilling and punching.
4. Welding
Automatic welding ensures strong joints.
5. Galvanizing
Hot dip galvanizing for corrosion protection.
6. Inspection
Strict quality inspection before delivery.
7. Packing & Delivery
Secure packing and timely shipment.
Project Cases
View all projects →
220kV Substation Projectin Saudi Arabia
132kV Substation Projectin Kenya
400kV Substation Projectin South Africa
220kV Substation Projectin Indonesia
500kV Substation Projectin Brazil
Need reliable Bus Support Structures?
ZZ Steel provides high-quality bus support structures for substations worldwide. Contact us today to get a competitive quote for your project.