Bussmann Square D FRSR350 - Current-Limiting Fuse 350A @ 600V (UL 248-12 RK5 Class)

Bussmann Square D FRSR350 is a low-voltage current-limiting fuse designed for short-circuit protection in industrial electrical systems. It features a 600V AC rating with a 350A current capacity, housed in a durable ceramic body with silver-plated copper terminals for reliable conductivity. The fuse meets UL 248-12 and CSA standards for branch circuit protection, ensuring compliance with North American safety requirements. Its fast-acting design makes it ideal for protecting motor control centers, switchboards, and service entrance equipment from fault currents.

Key Features & Specifications

• Type: Current-limiting fuse with ceramic body and silver-plated copper elements
• Voltage Rating: 600V AC
• Current Rating: 350A
• Dimensions: 3.5" x 4.5" x 2.25" (LxWxH)
• Standards: UL 248-12, CSA certified
• Applications: Motor control centers, switchgear, service entrance protection
• Fuse Class: RK5
• Interrupting Rating: 200kA
• Mounting: Bolt-on terminal connection
• Operating Temperature: -40°C to 75°C
• Weight: 2.2 lb