Mersen A130URD73LI0550 - PSC Square Body Fuse 1300V/550A (SB-3 Class)

Mersen A130URD73LI0550 is a low-voltage PSC square body fuse designed for high-current circuit protection in industrial power systems. This blade-connected LI-class fuse features a 1300V AC rating and 550A current capacity, housed in a compact 3 lb SB-3 rated enclosure with robust square-body construction. It meets stringent industry standards for overcurrent protection in demanding environments. The fuse is engineered for use in motor control centers, switchgear, and other high-power distribution applications requiring reliable short-circuit interruption.

Key Features & Specifications

• Type: Square body LI-class fuse with blade connection
• Voltage Rating: 1300V AC
• Current Rating: 550A
• Class Rating: SB-3
• Connection: Blade terminal
• Weight: 3 lb
• Applications: Industrial power distribution, motor protection, switchgear
• Standards: Meets UL/CSA/IEC requirements for low-voltage fuses