Square D 8501NR52 - RK5 Current-Limiting Fuse 600VAC/250A (200kA Interrupt Rating)

Square D 8501NR52 is a current-limiting fuse designed for overcurrent protection in industrial electrical systems. It features a 600V AC voltage rating and 250A current rating, with a compact cylindrical design constructed from durable ceramic housing and copper alloy elements for reliable arc interruption. The fuse meets UL/CSA standards for safety and is commonly used in motor control centers, switchgear, and power distribution panels.

Key Features & Specifications

• Type: Current-limiting fuse with ceramic body and copper alloy terminals
• Voltage Rating: 600V AC
• Current Rating: 250A
• Dimensions: Standard 1.5" diameter x 3.5" length
• Standards: UL/CSA listed
• Applications: Motor protection, switchgear, industrial power distribution
• Class Rating: RK5
• Interrupt Rating: 200kA
• Weight: 0.1875 lb
• Insulation Temperature: 90°C
• Mounting: Bolt-on terminal connection

Product Identification

• UPC: 78590158385
• GTIN: 00785901583851