RS306-2-T5Z
1250V AC high-speed fuse designed for protection of semiconductor devices in high-power converters, including wind turbine systems and industrial drive applications.
| Manufacturer | Sinofuse |
|---|---|
| Rated Voltage | AC 1250V |
| Current Range | 250A – 800A |
| Utilization Category | aR |
| Breaking Capacity | 100kA |
| Standards | IEC 60269-4; UL 248-13 |
Certificates

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One-Stop Service
From selection to after-sales support
Key Features
- Fast-acting protection for semiconductor devices (aR), minimizing damage to IGBT modules
- High breaking capacity up to 100kA for reliable fault interruption
- Designed for high-voltage AC systems up to 1250V
- Optimized for protection of converter circuits and power modules
- Compliant with IEC 60269-4 and UL 248-13 standards
Engineering Support
Fuse Selection Support
Verify the right fuse rating based on your system conditions.
Technical Consultation
Get professional support from our engineering team.
Cross-System Matching
Ensure coordination with contactors and other protection devices.
Custom Solutions
We support customized solutions for special applications.
Where This Fuse Is Used
Applied in wind turbine power conversion systems, this fuse ensures reliable protection of semiconductor devices in high-voltage AC converter circuits.
- Protection of wind turbine converter systems (generator-side and grid-side)
- High-voltage converter and inverter protection
- IGBT / power module protection in high-power drive systems
- AC circuit protection in turbine electrical systems
How to Select the Right Fuse
Follow these 4 steps to ensure proper fuse selection for your energy storage system.
1
Identify Installation Point

Determine where the fuse will be installed within the system.
2
Define System Parameters

Confirm system voltage and determine the continuous operating current.
3
Check Fault Conditions

Ensure the fuse breaking capacity exceeds the prospective fault current.
4
Select Fuse Type

Choose the appropriate fuse type based on application and protection requirements.
Need Help with Fuse Selection?
Our engineering team can help you find the most suitable fuse for your application. Contact us with your system parameters.




