ECNR80 - 80 Amp Fuse

ECNR80 - 80 Amp Fuse

When you’re running electrical systems in the real world, consistency matters just as much as protection. The Eaton Edison ECNR80 Fuse is a 80 Amp Class RK5 dual-element time-delay fuse built to keep industrial and commercial systems operating smoothly while still protecting them when things go wrong.

In day-to-day operation, electrical equipment rarely behaves in a perfectly steady way. Motors start, transformers energize, and HVAC systems cycle on and off—all of which create short bursts of current that are completely normal. The ECNR80 is designed to handle those momentary surges without tripping unnecessarily. Its dual-element time-delay design allows equipment to start up as intended, while still reacting quickly when a true overload or short circuit occurs.

At its core, the ECNR80 is designed to do one thing well: let your system run normally without interruption, and step in quickly when protection is actually needed.

Key Features and Benefits

• 80 Amp Class RK5 fuse for industrial and commercial power systems
• Dual-element time-delay design helps manage normal startup surges
• Reduces nuisance fuse openings and unexpected downtime
• High 200 kAIC interrupting rating for strong fault protection
• Rated for 250 VAC and 125 VDC applications
• Supports reliable operation of motors, HVAC, and industrial equipment
• Ideal for control panels, OEM systems, and power distribution circuits
• Non-indicating design for simple field replacement
• Built for dependable performance in real-world operating conditions

Technical Specifications

• Manufacturer: Eaton
  
• Series: Edison ECNR
  
• Catalog Number: ECNR80
  
• UPC: 782634507413
  
• Product Type: Fuse
  
• Fuse Class: RK5
  
• Amperage Rating: 80 A
  
• Voltage Rating: 250 VAC / 125 VDC
  
• Interrupt Rating: 200 kAIC
  
• Response Time: 10 seconds at 500% overload
  
• Number of Elements: Dual-element
  
• Fuse Indicator: Non-indicating
  
• Special Features: Non current limiting
  
• Dimensions: 5.88 in L × 1.6 in W × 1.6 in H
  
• Weight: 0.3 lb
  
• Packaging Type: Standard
  

Material Compliance and Certifications

The Eaton ECNR80 is CE Marked, confirming compliance with recognized international safety and performance standards. It is manufactured under Eaton’s quality systems and designed for use in properly rated electrical installations following applicable electrical codes and installation practices.

Where It Works Best

The ECNR80 is commonly used in environments where electrical loads fluctuate and uptime is critical:

• Motor control centers (MCCs)
• Industrial machinery and production systems
• HVAC and refrigeration equipment
• Transformer and inductive load circuits
• Commercial electrical distribution systems
• Pump and compressor systems
• OEM equipment installations
• Industrial automation systems
• Facility maintenance and electrical upgrades requiring an 80A RK5 fuse

When you need a fuse that can handle everyday startup conditions without nuisance interruptions—but still react fast when something goes wrong—the Eaton Edison ECNR80 delivers reliable, real-world protection built for demanding environments.