Mersen A25X100 - Class J Semiconductor Fuse 100A@250V (10.6kA AIC)

Mersen A25X100 is a low-voltage semiconductor protection fuse from the Amp-Trap family, designed to safeguard sensitive electronic equipment from overcurrent conditions. This 250VAC-rated fuse features a 100A current rating and 10.6kA interrupting capacity at rated voltage, housed in a compact 1.22-inch diameter single-barrel design with robust ceramic construction. Compliant with industry standards for semiconductor protection, the A25X series provides reliable operation in industrial power electronics, motor drives, and renewable energy systems requiring precise fault clearing.

Key Features & Specifications

• Type: Class J semiconductor fuse with ceramic body and silver element
• Voltage Rating: 250V AC
• Current Rating: 100A
• Dimensions: 1.22" diameter x 4.5" length
• Standards: UL 248-12, IEC 60269-4
• Applications: SCR/thyristor protection, DC drives, UPS systems
• Class Rating: Semiconductor (Class J)
• AIC rating: 10.6kA @ 250V
• Barrels: 1
• Weight: 4 lb