Eaton FA5H18 - Medium-Voltage Fuse Switch 18kV/5A (IEEE C37.41 Compliant)

Eaton FA5H18 is a high-voltage fuse switch designed for circuit protection in industrial power distribution systems. It features a 18kV voltage rating and 5A current capacity, housed in a durable 4 lb polymer enclosure with copper alloy contacts for reliable operation. The switch complies with IEEE C37.41 standards for medium-voltage equipment and carries UL certification. Typical applications include transformer protection, capacitor banks, and feeder circuits in utility substations and heavy industrial facilities.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse switch (Cooper Power Series NX)
• Voltage Rating: 18kV AC
• Current Rating: 5A
• Dimensions: FA frame size (NX family standard)
• Standards: IEEE C37.41, UL certified
• Applications: Transformer protection, capacitor banks, industrial feeders
• Weight: 4 lb
• Section: Fuses
• Construction: Polymer housing with copper alloy contacts
• Mounting: Fixed bracket installation
• Temperature Rating: -40°C to +85°C operating range