ECNR100 - 100 Amp Fuse

ECNR100 - 100 Amp Fuse

When electrical systems are exposed to demanding operating conditions, dependable overcurrent protection becomes critical. The Eaton Edison ECNR100 is a 100 Amp Class RK5 dual-element fuse built to help protect valuable equipment from overloads and short circuits while allowing the temporary current surges commonly associated with motor startups and other inductive loads. It's the type of fuse often found in commercial and industrial facilities where keeping equipment running safely is just as important as protecting it when faults occur.

Whether you're maintaining a motor control center, servicing distribution equipment, or replacing an existing Class RK5 fuse, the ECNR100 provides the protection characteristics electrical professionals expect. Its dual-element design allows it to tolerate brief startup currents that are a normal part of many electrical systems. Instead of opening during every momentary surge, it remains focused on responding when a genuine overload or fault develops.

For maintenance teams, electricians, and facility managers looking to replace an existing RK5 fuse or maintain equipment built around this protection class, the Eaton Edison ECNR100 continues to be a practical and dependable choice for everyday electrical applications.

Key Features and Benefits

• 100 Amp current rating for industrial and commercial electrical applications
• Class RK5 fuse classification for compatibility with RK5 fuse systems
• Dual-element design helps accommodate temporary motor startup and inrush currents
• Protects equipment from overloads and short-circuit conditions
• 200 kAIC interrupting rating for high fault-current protection
• Rated for 250 VAC and 125 VDC circuits
• Non-indicating fuse construction
• Non-current-limiting design for applications requiring this protection characteristic
• Suitable for motor circuits, control panels, machinery, and distribution equipment
• CE Marked for recognized compliance requirements

Technical Specifications

• Manufacturer: Eaton
  
• Series: Edison ECNR
  
• Catalog Number: ECNR100
  
• Product Type: Fuse
  
• Class: RK5
  
• Amperage Rating: 100 A
  
• Voltage Rating: 250 VAC, 125 VDC
  
• Interrupt Rating: 200 kAIC
  
• Response Time: 10 Seconds at 500%
  
• Number of Elements: Dual
  
• Fuse Indicator: Non-Indicating
  
• Special Features: Non Current Limiting
  
• Length: 7.13 in
  
• Width: 1.56 in
  
• Height: 1.56 in
  
• Weight: 0.85 lb
  
• UPC: 782634507437
  

Material Compliance and Certifications

The ECNR100 is CE Marked and manufactured to Eaton specifications for use in electrical systems requiring Class RK5 overcurrent protection. It is intended for installation in properly rated equipment and should be installed and serviced by qualified personnel in accordance with applicable electrical codes and safety practices.

Where It Works Best

• Motor branch circuits
• Industrial control panels
• Manufacturing and processing equipment
• HVAC systems
• Motor control centers
• Commercial electrical distribution systems
• Machinery and automation equipment
• Maintenance and replacement projects
• Facilities with temporary startup or inrush current conditions
• Applications requiring Class RK5 fuse protection