Siemens 48FM12R-4 - FM-Class R Fuse 4800V 12A (Ferrule Connection)

Siemens 48FM12R-4 is a medium-voltage current-limiting fuse designed for industrial circuit protection in high-voltage applications. Rated for 4800V AC systems with a 12A current capacity, this FM-class R fuse features a robust ferrule connection and single-barrel construction for reliable performance. Its 3-inch diameter cylindrical design with 12-inch clip centers provides secure mounting in electrical distribution systems, meeting stringent industry standards for medium-voltage protection. The fuse is engineered for demanding environments including motor control centers, transformers, and switchgear applications requiring precise overcurrent protection.

Key Features & Specifications

• Type: FM-class R current-limiting fuse with ferrule connection
• Voltage Rating: 4800V AC
• Current Rating: 12A
• Dimensions: 3" diameter, 12" clip center spacing
• Weight: 9 lb
• Standards: Meets medium-voltage protection requirements
• Applications: Industrial switchgear, motor control centers, transformer protection
• Class Rating: R
• Connection: Ferrule
• Barrels: 1