Mersen A25X800-4 - Semiconductor Fuse 800A (10.6kA AIC @250V)

Mersen A25X800-4 is a bolt-in semiconductor protection fuse from the Amp-Trap family, engineered for safeguarding sensitive electronic equipment against short-circuit and overload conditions. Rated for 250V AC/DC systems with a 800A current capacity, it delivers 10.6kA interrupting capacity at rated voltage in a compact 2" diameter bolt-in configuration. The single-barrel design features robust construction with precision-calibrated elements for fast-acting semiconductor protection, meeting industry standards for industrial power electronics. Typical applications include variable frequency drives, rectifiers, and other power conversion equipment requiring high-speed fault interruption.

Key Features & Specifications

• Type: A25X series bolt-in semiconductor fuse (fast-acting)
• Voltage Rating: 250V AC/DC
• Current Rating: 800A
• Dimensions: 2" diameter
• Standards: UL/CSA recognized
• Applications: VFDs, rectifiers, power converters
• Connection: Bolt-in terminal
• Barrels: 1
• AIC rating: 10.6kA@250V
• Class Rating: Semiconductor protection
• Weight: 2 lb

Product Identification

• UPC: 78200194283
• GTIN: 00782001942830