FWH-250A FUSE

Product Description

The FWH-250A is a high-speed semiconductor protection fuse designed for industrial power electronics. It provides ultra-fast fault clearing to protect sensitive components such as rectifiers, inverters, UPS systems, and DC drive circuits. This fuse is built for high-current applications where reliable short-circuit protection and low energy let-through are critical.

Key Features

• High-speed semiconductor protection fuse
• Fast-acting response for short-circuit protection
• Extremely high interrupting capacity
• Low I²t energy let-through for sensitive devices
• Suitable for AC and DC power systems
• Bolt / stud mount design for secure installation
• Cylindrical cartridge construction
• Reliable protection for power electronics
• Industrial-grade rugged design
• One-time, non-resettable operation

Specifications

1. Product Type: High-Speed Semiconductor Fuse
2. Model: FWH-250A
3. Brand: Eaton Bussmann
4. Fuse Class: Semiconductor / High-Speed Fuse
5. Rated Current: 250A
6. Rated Voltage: 500V AC / 500V DC (up to 800V DC variants available)
7. Interrupting Rating: 200 kA at 1000V AC / 50 kA at 500V DC
8. Response Type: Fast Acting (High-Speed)
9. Mounting Type: Stud / Bolt mount
10. Body Size: Approx. 38.1 mm × 110 mm (1.5″ × 4.34″)
11. Application: DC common bus, drives, rectifiers, converters, UPS systems