S&C Electric 121040R3 - SM-4 Medium Voltage Fuse 7200V 25A (Class E Rating)
S&C Electric 121040R3 - SM-4 Medium Voltage Fuse 7200V 25A (Class E Rating)
S&C Electric 121040R3 - SM-4 Medium Voltage Fuse 7200V 25A (Class E Rating)
S&C Electric 121040R3 - SM-4 Medium Voltage Fuse 7200V 25A (Class E Rating)

S&C Electric 121040R3 - SM-4 Medium Voltage Fuse 7200V 25A (Class E Rating)

S&C Electric
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S&C Electric 121040R3 is a medium-voltage SM-4 power fuse designed for reliable overcurrent protection in electrical distribution systems. This fuse features a 7200V voltage rating and 25A current rating, providing robust protection for medium-voltage circuits. Constructed with a Class E rating and standard velocity characteristics, the fuse ensures precise interruption performance within a compact design weighing 2 lb. It meets industry standards for medium-voltage protection applications and is commonly used in utility distribution networks, industrial power systems, and commercial electrical infrastructure where dependable fault interruption is critical.

Key Features & Specifications
  • Type: SM-4 medium-voltage power fuse with current-limiting operation
  • Voltage Rating: 7200V AC
  • Current Rating: 25A
  • Dimensions: Standard SM-4 configuration
  • Standards: Meets industry medium-voltage protection requirements
  • Applications: Utility distribution networks, industrial power systems, commercial electrical infrastructure
  • Switch Type: Power fuse
  • Configuration: SM-4
  • Class Rating: E
  • Velocity: Standard
  • Weight: 2 lb
  • Item Subcategory: Medium Voltage
  • Protection: Overcurrent and fault interruption
  • Functions: Current-limiting protection
  • Fuse Class: E
  • Mounting: Standard power fuse mounting


Product Identification
  • Manufacturer: S&C Electric
  • Model: 121040R3