Littelfuse JLS-020 - Medium Voltage Fuse 7.2kV 20A (50kA Interrupt Rating)

Littelfuse JLS-020 is a medium-voltage current-limiting fuse designed for protecting electrical equipment from short-circuit and overload conditions. It features a 7.2kV voltage rating and 20A current rating, with a compact cylindrical design constructed with durable ceramic housing and silver-element construction for reliable interruption. The fuse complies with IEEE C37.41 standards and is UL-recognized for industrial power distribution applications. Typical uses include transformer protection, motor starters, and switchgear in utility and industrial environments.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse with ceramic body and silver-element construction
• Voltage Rating: 7.2kV
• Current Rating: 20A
• Dimensions: 152mm length x 76mm diameter
• Standards: IEEE C37.41, UL recognized
• Applications: Transformer protection, motor starters, switchgear
• Fuse Class: JLS
• Interrupting Rating: 50kA symmetrical
• Operating Temperature: -40°C to +85°C
• Mounting: Vertical or horizontal

Product Identification

• UPC: 079458200710