Eaton FA3H4 - Current-Limiting Fuse 4A 600V AC (Cooper Power Series NX)

Eaton FA3H4 is a current-limiting fuse designed for overcurrent protection in electrical distribution systems. It features a 600V AC voltage rating with current-limiting capabilities for short-circuit protection in industrial applications. The fuse construction utilizes silver-plated copper terminals and granular quartz filler for reliable arc quenching in a compact 2 lb package. This Cooper Power Series NX component meets IEEE C37.46 standards for medium-voltage fuses. Typical applications include motor circuit protection, transformer protection, and feeder circuit protection in industrial power distribution systems.

Key Features & Specifications

• Type: Current-limiting power fuse with silver-plated copper terminals and granular quartz filler
• Voltage Rating: 600V AC
• Current Rating: 4A
• Dimensions: Standard FA frame size
• Standards: IEEE C37.46 compliant
• Applications: Motor circuit protection, transformer protection, feeder circuit protection
• Switch Type: Non-switching fuse
• Configuration: Single element
• Temp Rating: -50°C to +65°C operating range
• Shipping Dimensions: Industry standard FA package
• Phase: Single phase
• Voltage: 600V AC
• Amperage: 4A
• AIC rating: 200kA symmetrical
• Connection: Knife-blade terminals
• Poles: Single pole
• Protection: Current-limiting overcurrent protection
• Functions: Short-circuit interruption
• Frame Size: FA
• Mounting: Standard fuse clip or block mounting
• Hz: 50/60 Hz
• Enclosure: Open construction for panel mounting
• Nema Rating: Industrial grade
• Switch Style: Non-switching
• Certification: UL Class K5
• Standards: IEEE C37.46, UL 248-13
• Installation Type: Panel mounted in fuse holders
• Item QTY: Single unit
• Current Rating: 4A
• Watts: Low power loss design
• Polarity: Non-polarized
• Operating Temperature Maximum Celsius: 65°C
• Manufacturer: Eaton
• Item Subcategory: Parts & Accessories
• Family: Cooper Power Series NX
• Type: FA
• Weight: 2 lb
• Section: Fuses