Edison Fuses ECNR0.5 - Class R Fuse 0.5A 250V (Time-Delay)
Edison Fuses ECNR0.5 - Class R Fuse 0.5A 250V (Time-Delay)

Edison Fuses ECNR0.5 - Class R Fuse 0.5A 250V (Time-Delay)

Edison Fuses
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The Edison Fuses ECNR0.5 is a Class R current-limiting fuse designed for branch circuit protection of motors, transformers, and general industrial equipment. It is rated for 0.5 amps at 250 volts AC, with a high interrupting capacity of 200,000 amps RMS symmetrical, ensuring robust fault current protection. The fuse features a ferrule-type construction with a compact body, weighing 5.19 lb, and is built with a time-delay characteristic to withstand harmless inrush currents. It complies with UL 248-12 and CSA standards, making it suitable for use in motor control centers, panelboards, and disconnect switches where reliable overcurrent protection is required. Typical applications include protecting motor starters, control transformers, and lighting circuits in industrial and commercial power distribution systems.

Key Features & Specifications
  • Type: Class R, time-delay, current-limiting fuse with ferrule construction
  • Voltage Rating: 250 V AC
  • Current Rating: 0.5 A
  • AIC Rating: 200,000 A RMS symmetrical
  • Fuse Class: R
  • Mounting: Ferrule
  • Weight: 5.19 lb
  • Standards: UL 248-12, CSA
  • Applications: Branch circuit protection for motors, transformers, and industrial equipment


Product Identification
  • UPC: 782001909818