Product Overview
S&C Electric 272000 Fusistor Fuse Unit – Unused NOS
This S&C Electric Fusistor fuse unit, catalog number 272000, a medium-voltage E-rated distribution fuse is designed for 15 kV-class electrical systems.
S&C Electric built its name supplying protection hardware utilities could depend on long after installation details were forgotten. The 272000 Fusistor reflects that approach—engineered for precise response in low-current circuits where coordination matters more than brute capacity.
Product Condition
Unused, new old stock in the manufacturer’s original packaging. Packaging shows minor wear from storage. The fuse unit itself has not been installed or energized.
Product Overview
The S&C Electric Fusistor Unit 272000 is an E-rated, medium-voltage fuse intended for specialized low-current protection in distribution-class systems. Rated for 15,000 volts nominal, it is used in 15 kV-class switchgear and fuse mountings designed for S&C Fusistor units.
The 1/2E rating places this fuse in a narrow application range, typically selected where fractional-ampere protection is required for proper coordination with upstream devices and downstream equipment.
Key Features
- Manufacturer: S&C Electric Company
- Catalog number: 272000
- Fusistor medium-voltage distribution fuse unit
- Voltage rating: 15 kV class (15,000 volts nominal)
- Current rating: 1/2E (0.5E)
- E-rated fuse for coordinated protection
- One-barrel, Fusistor unit form factor
- Designed for compatible S&C fuse mountings and gear
Applications
- Low-current distribution transformer protection
- Instrument or auxiliary transformer circuits
- Potential and specialty medium-voltage circuits
- 15 kV-class utility switchgear
- Industrial medium-voltage distribution equipment
- Maintenance spares for existing S&C installations
Frequently Asked Questions
What does the 1/2E rating mean?
The 1/2E rating identifies this as a fractional-ampere E-rated fuse, intended for very low continuous current applications where precise coordination is required.
Is this a low-voltage or general-purpose fuse?
No. This is a medium-voltage distribution fuse designed specifically for 15 kV-class systems and compatible S&C equipment.
What mounting hardware is required?
This Fusistor unit must be installed in compatible S&C fuse holders or switchgear designed for this form factor.
Is this fuse appropriate for high-load feeders?
No. The 0.5E rating is intended for specialized low-current applications, not high-load or general feeder protection.
Who should install this fuse?
Installation and replacement should be performed only by qualified personnel trained in medium-voltage electrical systems.
Built for circuits most people never notice, this Fusistor has spent its life waiting on the shelf. Wherever it’s installed next, it will do exactly what it was designed to do—and nothing more.
