Eaton FA9H20 - Power Fuse 20A 15kV (Cooper Power Series NX)

Eaton FA9H20 is a current-limiting fuse designed for high-voltage circuit protection in industrial power distribution systems. It features a 20A current rating with voltage ratings suitable for medium-voltage applications up to 15kV, housed within a durable ceramic body construction that provides reliable interruption capabilities. The fuse complies with IEEE C37.46 standards and carries appropriate certifications for industrial use in demanding environments. Typical applications include transformer protection, capacitor bank protection, and feeder circuit protection in utility and industrial power systems, where its current-limiting characteristics help protect equipment from damaging fault currents.

Key Features & Specifications

• Type: Current-limiting power fuse, ceramic body, boric acid fuse element
• Voltage Rating: 15kV AC
• Current Rating: 20A
• Dimensions: Standard FA frame size
• Standards: IEEE C37.46, UL 248-12
• Applications: Transformer protection, capacitor bank protection, feeder circuit protection
• Switch Type: Power fuse
• Configuration: Single barrel
• AIC rating: 50kA symmetrical
• Connection: Stud or ferrule type
• Poles: Single pole
• Protection: Overcurrent and short-circuit
• Functions: Current-limiting interruption
• Frame Size: FA
• Interrupting Rating: High
• Mounting: Fuse holder or mounting bracket
• Hz: 50/60 Hz
• Class Rating: E rated
• Fuse Class: Power distribution
• Insulation Temperature: 90°C minimum
• Weight: 20 lb
• Manufacturer: Eaton
• Item Subcategory: Parts & Accessories
• Family: Cooper Power Series NX
• Type: FA
• Section: Fuses