Siemens 48FM12X-4 - Class R Medium Voltage Fuse 12A 4800V (Ferrule Connection)

Siemens 48FM12X-4 is a medium voltage power fuse designed for high-capacity circuit protection in industrial electrical systems. It features a 4800V AC voltage rating and a 12A current rating, providing reliable interruption of fault currents. The fuse is constructed with a single-barrel design featuring ferrule connections and measures 3 inches in diameter with a 12-inch clip center spacing, weighing 9 lb for robust physical handling. This Class R fuse complies with industry standards for medium voltage applications, ensuring safe operation in demanding environments. Typical applications include motor control centers, switchgear, and transformer protection in industrial power distribution networks.

Key Features & Specifications

• Type: FM Class R medium voltage power fuse, single-barrel construction with ferrule connections
• Voltage Rating: 4800V AC
• Current Rating: 12A
• Dimensions: 3" diameter, 12" clip center spacing
• Weight: 9 lb
• Standards: Class R fuse classification for medium voltage applications
• Applications: Industrial power distribution, motor control centers, switchgear, transformer protection
• Class Rating: R
• Connection: Ferrule
• Barrels: 1
• Clip Center: 12 inches
• Item Subcategory: Medium Voltage