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Fire-Resistant Busway — JB/T 10327 Fire Rated Bus Duct
Fire-resistant (fire-rated) busway maintains circuit integrity under fire for emergency power supply to fire pumps, smoke exhaust and life-safety loads. Rated 250–4000 A, 380/400V, with fire-resistant insulation and mineral/mica barriers, built to JB/T 10327 fire-resistant busway requirements for building emergency distribution.
Applications
Fire pump and smoke exhaust power supply
Emergency lighting distribution
High-rise life-safety circuits
Hospitals and public buildings
Key Features
- Fire-rated insulation maintains circuit integrity during fire
- Supplies fire pumps, smoke exhaust and life-safety loads
- 250–4000 A, 380/400V
- Mineral/mica fire barriers for conductor protection
- Built to JB/T 10327 fire-resistant busway requirements
- Feed from emergency generator or dual source
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 |
|---|---|---|---|---|---|---|
| FRB-250 | Fire-Resistant Busway | 250A | 0.4 | — | — | |
| FRB-400 | Fire-Resistant Busway | 400A | 0.4 | — | — | |
| FRB-630 | Fire-Resistant Busway | 630A | 0.4 | — | — | |
| FRB-1000 | Fire-Resistant Busway | 1000A | 0.4 | — | — | |
| FRB-1600 | Fire-Resistant Busway | 1600A | 0.4 | — | — | |
| FRB-2500 | Fire-Resistant Busway | 2500A | 0.4 | — | — | |
| FRB-4000 | Fire-Resistant Busway | 4000A | 0.4 | — | — | |
| FRB-6300 | Fire-Resistant Busway | 6300A | 0.4 | — | — |
Product Drawing
Electrical Equipment - FRB-1600
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Selection Guide
Fire rating
Specify the required fire-resistance duration per building code.
Load
Size for the emergency (fire) load, not the normal load.
Source
Feed from the emergency generator or dual-source switchover.
- Frequently Asked Questions
What is fire-resistant busway?
Fire-resistant busway uses fire-rated insulation and barriers so it continues to carry current during a fire, powering fire pumps, smoke exhaust and emergency loads for safe evacuation.
What standard applies?
JB/T 10327 covers fire-resistant busway requirements, with fire resistance typically specified in minutes.
Where is it required?
For emergency power distribution to fire protection equipment in high-rise, hospital and public buildings.
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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