Littelfuse JTD-050ID - Medium Voltage Current-Limiting Fuse 50A 5.5kV (IEEE C37.41 Compliant)

Littelfuse JTD-050ID is a medium-voltage current-limiting fuse designed for protecting electrical equipment from short-circuit conditions. It features a 50A current rating and 5.5kV voltage rating with a compact cylindrical design constructed with durable silver-sand elements for reliable arc quenching. The fuse meets IEEE C37.41 standards for medium-voltage protection devices and features a striker pin for auxiliary contact signaling. Typical applications include motor starters, transformers, and capacitor banks in industrial power distribution systems.

Key Features & Specifications

• Type: Current-limiting medium-voltage fuse with silver-sand construction
• Voltage Rating: 5.5kV
• Current Rating: 50A
• Dimensions: 108mm length x 38mm diameter
• Standards: IEEE C37.41 compliant
• Applications: Industrial motor protection, transformer circuits, capacitor banks
• Fuse Class: JTD series current-limiting
• Interrupting Rating: 50kA symmetrical
• Operating Temperature: -40°C to +85°C
• Mounting: Clip-mounted with striker pin mechanism

Product Identification

• UPC: 079458025934
• GTIN: 079458025934