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Air-Insulated Busway — Air Type Bus Duct
Air-insulated (air-type) busway uses busbars separated by air gaps within a ventilated or non-ventilated enclosure, providing high short-circuit withstand and ease of inspection. Rated 250–6300 A, 380/400/690V, suitable for industrial power distribution where ventilation and simple maintenance are preferred over compact dense construction.
Applications
Industrial power distribution
Manufacturing plants
Commercial risers and feeders
Switchgear interconnection
Key Features
- Air-insulated busbar separation for simple inspection
- High short-circuit withstand rating
- 250–6300 A, 380/400/690V
- Ventilated or non-ventilated enclosure options
- Standard straight, elbow, tee and riser sections
- Copper or aluminum conductor options
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 250–6300 A |
| Rated Voltage | 0.4 |
| Rated Current | 250–6300 A |
| Frequency (Hz) | 50 |
| Standard | IEC 61439-6 |
| Compare | Model | Series | Current (A) | HV Voltage (kV) | Weight | Dimensions |
|---|---|---|---|---|---|---|
| AB-250 | Air-Insulated Busway | 250A | 0.4 | — | — | |
| AB-400 | Air-Insulated Busway | 400A | 0.4 | — | — | |
| AB-630 | Air-Insulated Busway | 630A | 0.4 | — | — | |
| AB-1000 | Air-Insulated Busway | 1000A | 0.4 | — | — | |
| AB-1600 | Air-Insulated Busway | 1600A | 0.4 | — | — | |
| AB-2500 | Air-Insulated Busway | 2500A | 0.4 | — | — | |
| AB-4000 | Air-Insulated Busway | 4000A | 0.4 | — | — | |
| AB-6300 | Air-Insulated Busway | 6300A | 0.4 | — | — |
Product Drawing
Electrical Equipment - AB-1600
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Selection Guide
Enclosure
Choose non-ventilated for dust/humidity, ventilated for clean indoor.
Withstand
Verify short-circuit withstand rating matches the upstream fault level.
Sections
Plan straight, elbow and tee sections for the route.
- Frequently Asked Questions
What is air-insulated busway?
Air-insulated busway separates busbars with air gaps inside a ventilated enclosure, allowing inspection and providing high short-circuit withstand, at the cost of a larger footprint than dense busway.
When is air-type preferred?
For industrial plants where inspection access and short-circuit withstand matter more than compactness.
Ventilated or non-ventilated?
Non-ventilated (IP54+) for dusty/humid environments; ventilated for lower cost indoor applications.
Instant Selection & Quote Calculator
Select your specifications to get an estimated price instantly.
| Base price (interpolation) | $975 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Complete equipment — no winding copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
We will reply with your latest quote instantly.
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