S&C Electric 578125R4 - SM-4 Fuse Refill 115kV (Very Slow Blow)
S&C Electric 578125R4 - SM-4 Fuse Refill 115kV (Very Slow Blow)
S&C Electric 578125R4 - SM-4 Fuse Refill 115kV (Very Slow Blow)
S&C Electric 578125R4 - SM-4 Fuse Refill 115kV (Very Slow Blow)

S&C Electric 578125R4 - SM-4 Fuse Refill 115kV (Very Slow Blow)

S&C Electric
Title
Price
Save $0
/
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
S&C Electric 578125R4 is a high-voltage fuse refill designed for circuit protection in electrical distribution systems. Rated for 115kV applications, this very slow-acting fuse provides reliable overcurrent protection with precise interruption characteristics. The SM-4 family fuse features durable construction with a standardized 578-type refill configuration, weighing 1 lb for easy handling during maintenance. It meets industry standards for high-voltage protection devices and is commonly used in utility substations, industrial power distribution, and transmission line protection systems.

Key Features & Specifications
  • Type: SM-4 family, 578-type fuse refill, very slow blow characteristic
  • Voltage Rating: 115,000V AC
  • Current Rating: Not specified (configuration-dependent)
  • Dimensions: Standard SM-4 form factor
  • Standards: Industrial high-voltage fuse requirements
  • Applications: Substation protection, transmission line safety, industrial power distribution
  • Velocity: Very slow operation
  • Weight: 1 lb
  • Section: Fuse refills
Acordión con Formulario Hulk
Quote Request
You may also like
More from S&C Electric
More from Fuses
Sale
KTK-10 Bussmannn KTK Series Low Voltage Fuse 600V 10A Fuse - Essential Electric Supply
KTK-10 Bussmannn KTK Series Low Voltage Fuse 600V 10A Fuse - Essential Electric Supply
Bussmann KTK-10 - KTK Series Fuse 10A 600V (100kA AIC Rating)
Bussmann
Save $663.49
Sale
FLM-030 Littelfuse Low Voltage Fuse Fuse - Essential Electric Supply
FLM-030 Littelfuse Low Voltage Fuse Fuse - Essential Electric Supply
Littelfuse FLM-030 - Low Voltage Fuse 30A 600V AC (UL 248-14 Rated)
Littelfuse
Save $19.04
Sale
SC-1/2 Bussmann SC Series Low Voltage Fuse 600V 1A Fuse - Essential Electric Supply
Bussmann SC-1/2 - Class G Fuse 1A 600V (100kA AIC Rating)
Bussmann
Save $603
Sale
TRM20 Mersen Tri-Onic Low Voltage Fuse 250V 20A Fuse - Essential Electric Supply
Mersen TRM20 - Midget Fuse 20A 250V (10kA Interrupting Rating)
Mersen
Call for Price
Sale
Cooper Bussmann LPJ-60SP Low Voltage Low-Peak 600V 60A Fuse - Essential Electric Supply
LPJ-60SP Bussmannn Low-Peak Medium Voltage Fuse 600V 60A Fuse - Essential Electric Supply
Eaton Bussmann LPJ-60SP - Class J Time-Delay Fuse 60A 600V (300kA AIC)
Bussmann
Call for Price
Recently viewed
Back to Fuses