Siemens 48FM9X-4 - FM-Class Fuse 4800V/9A (Ferrule Connection, Class R)

Siemens 48FM9X-4 is a medium voltage current-limiting fuse designed for industrial circuit protection in high-voltage applications. Rated for 4800V AC systems with a 9A current capacity, this Class R ferrule-connected fuse features a robust single-barrel construction with a 3-inch diameter and 12-inch clip center spacing. The 9 lb FM-type fuse meets stringent industry standards for medium-voltage protection, engineered for transformer and motor circuit applications where reliable fault interruption is critical.

Key Features & Specifications

• Type: FM-class current-limiting fuse with ferrule connection
• Voltage Rating: 4800V AC
• Current Rating: 9A
• Dimensions: 3" diameter, 12" clip center
• Standards: Class R (IEEE/ANSI)
• Applications: Transformer/motor circuit protection
• Connection: Ferrule
• Barrels: 1
• Weight: 9 lb