ECNR3 - 3 Amp Fuse

ECNR3 - 3 Amp Fuse

When you're protecting sensitive electrical equipment, even small fluctuations in current can matter. The Eaton Edison ECNR3 Fuse is a 3 Amp Class RK5 dual-element time-delay fuse designed to provide precise and reliable overcurrent protection in low-amperage circuits. It’s commonly used in control panels, automation systems, industrial equipment, and OEM applications where electrical components need dependable protection without being disrupted by normal startup conditions.

With a 200 kAIC interrupting rating, the ECNR3 is built to safely handle high fault current conditions even in demanding electrical environments. Its dual-element construction adds time-delay capability, making it a dependable choice for applications where stability and continuity matter more than anything else. Rated for 250 VAC and 125 VDC systems, it fits a wide range of industrial and commercial installations.

Key Features and Benefits

• 3 Amp Class RK5 fuse for low-amperage circuit protection
• Dual-element design helps manage short startup inrush currents
• Time-delay operation reduces nuisance fuse openings
• High 200 kAIC interrupting rating for strong fault protection
• Compatible with 250 VAC and 125 VDC systems
• Ideal for protecting sensitive electrical and control equipment
• Helps improve system reliability and reduce downtime
• Non-indicating design for straightforward replacement
• Suitable for industrial, commercial, and OEM applications

Technical Specifications

• Manufacturer: Eaton
  
• Series: Edison ECNR
  
• Catalog Number: ECNR3
  
• UPC: 782634506997
  
• Product Type: Fuse
  
• Fuse Class: RK5
  
• Amperage Rating: 3 A
  
• Voltage Rating: 250 VAC / 125 VDC
  
• Interrupt Rating: 200 kAIC
  
• Response Time: 8 seconds at 500% overload
  
• Number of Elements: Dual-element
  
• Fuse Indicator: Non-indicating
  
• Special Features: Non current limiting
  
• Dimensions:
  • 2 in L × 0.56 in W × 0.56 in H
• Weight: 0.5 lb
  
• Packaging Type: Standard
  

Material Compliance and Certifications

The Eaton ECNR3 fuse is CE Marked, indicating compliance with applicable international safety and performance standards. It is manufactured under Eaton’s quality guidelines and designed for use in properly rated electrical systems in accordance with applicable electrical codes and installation practices.

Where It Works Best

The ECNR3 is commonly used in applications where electrical loads are small but protection still needs to be precise and dependable:

• Industrial control panels
• Control transformers
• Automation and PLC systems
• OEM machinery and equipment
• HVAC control circuits
• Manufacturing and processing equipment
• Electrical distribution control circuits
• Maintenance and replacement of low-amperage RK5 fuses

For systems that rely on stable, uninterrupted operation of sensitive components, the Eaton Edison ECNR3 offers a dependable balance of protection and operational flexibility—helping keep equipment safe without getting in the way of normal startup behavior.