Siemens 48FM12R-4 - FM Class R Fuse 12A 4800V (Medium Voltage Protection)

Siemens 48FM12R-4 is a medium-voltage current-limiting fuse designed for protecting electrical equipment against short-circuit faults. It features a 4800V AC voltage rating and a 12A current rating, providing reliable overcurrent protection in demanding industrial environments. The fuse is constructed with a single-barrel ferrule connection design, measures 3 inches in diameter with a 12-inch clip center spacing, and has a robust build weighing 9 lb. This FM-class R fuse complies with industry standards for medium-voltage protection systems. It is typically applied in industrial power distribution, motor circuits, and transformer protection applications where high interrupting capacity and current-limiting characteristics are required.

Key Features & Specifications

• Type: FM Class R, current-limiting, medium-voltage fuse with ferrule connection
• Voltage Rating: 4800V AC
• Current Rating: 12A
• Dimensions: 3" diameter, 12" clip center
• Standards: Medium voltage industrial protection standards
• Applications: Industrial power distribution, motor protection, transformer circuits
• Class Rating: R
• Connection: Ferrule
• Barrels: 1
• Weight: 9 lb
• Item Subcategory: Medium Voltage