The OS400B12 switch fuse from ABB offers 12kV protection with a thermal current of 400A. Ideal for high-voltage applications, ensuring reliable and efficient electrical systems.
Product ModelOS400B12
Material Number1SCA022754R9040
Product ID75153
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. High Voltage ProtectionThe OS400B12 switch fuse is rated for 12kV, providing robust protection against high voltage electrical surges.
2
2. Thermal CurrentWith a thermal current of 400A, this switch fuse ensures reliable operation even in demanding thermal conditions.
3
3. Conventional Thermal CurrentDesigned for conventional thermal conditions, the OS400B12 switch fuse maintains its performance under various temperature ranges.
4
4. Rated ImpulseThe switch fuse is rated for 12kV impulse, making it suitable for applications requiring high voltage withstand capabilities.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Pollution Degree
3
Product Net Width
230 mm
Product Net Height
254 mm
Product Net Depth / Length
176 mm
Product Net Weight
6.28 kg 13.85 lb
Conventional Free-air Thermal Current (Ith)
Π= 40 °C 400 A
5. Reliability and EfficiencyEngineered for high-voltage applications, the OS400B12 switch fuse ensures reliable and efficient electrical systems, minimizing downtime and ensuring continuous operation.
