Ferraz Shawmut A60X400-4 High-Speed Semiconductor Fuse

Description:

The Ferraz Shawmut A60X400-4 Fuse is a high-speed Amp-Trap® Form 101 semiconductor fuse rated at 400 Amps and 600 VAC, designed to provide fast-acting overcurrent and short-circuit protection for power semiconductor devices. Commonly installed in rectifiers, variable frequency drives (VFDs), inverters, UPS systems, traction equipment, and industrial power conversion systems where rapid fault clearing is essential. Maintenance technicians and system integrators use this fuse for equipment repair, retrofit, expansion, and replacement to protect semiconductor components, improve system reliability, and minimize production downtime.

Applications:

The Ferraz Shawmut A60X400-4 Fuse is used to protect SCRs, diodes, IGBTs, thyristors, and other power semiconductor devices from damaging overload and short-circuit conditions. It is commonly utilized in industrial motor drives, heavy-duty rectifiers, battery chargers, induction heating equipment, welding machines, UPS systems, renewable energy converters, and other high-power electronic control systems requiring high-speed fuse protection.

Technical Specifications:

• Manufacturer: Ferraz Shawmut (Now Mersen)
• Part Number: A60X400-4
• Product Type: High-Speed Semiconductor Fuse
• Series: Amp-Trap® A60X Form 101
• Current Rating: 400 A
• Voltage Rating: 600 VAC
• Frequency: 50/60 Hz
• Interrupting Rating: 200 kA AC
• Fuse Style: Bolted Blade (Form 101)
• Speed: Fast-Acting / Current-Limiting
• Application: Semiconductor Protection
• Standards: RoHS, REACH Compliant
• Mounting: Bolt-On Installation

Common Replacements:

• Mersen A60X400-4TA
• Mersen A60X400-4TI
• Mersen A60X400-4K