S&C Electric 3500R2 - SMD-50 Current-Limiting Fuse 15.5kV/200A (50kA Interrupting Rating)

S&C Electric 3500R2 is a current-limiting fuse designed for high-voltage circuit protection in industrial power distribution systems. Rated for 15.5kV AC operation with a 200A continuous current rating, it features a robust silver-sand fuse element housed in a durable fiberglass-reinforced epoxy tube for arc-quenching performance. The fuse meets IEEE C37.40 standards for distribution-class fuses and is UL-recognized for use in switchgear, transformers, and capacitor banks. Its 24 lb live-part construction ensures reliable fault interruption in utility substations and heavy industrial facilities.

Key Features & Specifications

• Type: SMD-50 current-limiting fuse with silver-sand element and fiberglass tube
• Voltage Rating: 15.5kV AC
• Current Rating: 200A continuous
• Dimensions: 3500R2 series standard footprint
• Standards: IEEE C37.40, UL recognized
• Applications: Switchgear, transformers, capacitor protection
• Section: Live Parts
• Weight: 24 lb
• Fuse Class: Distribution class
• Interrupting Rating: 50kA symmetrical