S&C Electric 133100R4 - SM-5 Fuse Refill 25kV Medium Voltage Protection

S&C Electric 133100R4 is a medium-voltage SM-5 fuse refill designed for overcurrent protection in electrical distribution systems. This fuse operates at a 25 kV voltage rating and features standard velocity interruption characteristics for reliable fault clearing. Constructed as part of the 133-type refill family, it maintains the SM-5 class rating and weighs 3 lb for straightforward handling and installation. The component meets industry standards for medium-voltage protection applications and is typically deployed in utility distribution networks, industrial power systems, and commercial electrical infrastructure where dependable overcurrent protection is required.

Key Features & Specifications

• Type: SM-5 medium-voltage fuse refill, 133-type construction
• Voltage Rating: 25,000V AC
• Class Rating: SM-5
• Velocity: Standard interruption characteristics
• Weight: 3 lb
• Family: SM-5
• Item Subcategory: Medium Voltage
• Section: Fuse Refills