Mersen TR0.4R - Class RK5 Fuse 0.4A 600V (Time-Delay Ferrule)
Mersen TR0.4R - Class RK5 Fuse 0.4A 600V (Time-Delay Ferrule)

Mersen TR0.4R - Class RK5 Fuse 0.4A 600V (Time-Delay Ferrule)

Mersen
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Mersen TR0.4R is a 0.4-amp, 600-volt AC/DC ferrule-type time-delay fuse designed for overload and short-circuit protection of motor circuits, transformers, and other inductive loads. This Class RK5 fuse features a 200,000-amp interrupting rating and a dual-element design with a thermal-magnetic trip mechanism for handling high inrush currents. The compact, 13/32-inch diameter by 1-1/2-inch length body is constructed with a melamine tube and silver-plated end caps, weighing 5.19 lb per unit. It complies with UL 248-5 and CSA C22.2 No. 248.5 standards, making it suitable for use in motor control centers, panelboards, and disconnect switches. Typical applications include protection of lighting, heating, and general-purpose industrial equipment.

Key Features & Specifications
  • Type: Class RK5, time-delay, dual-element, ferrule fuse
  • Voltage Rating: 600 VAC/DC
  • Current Rating: 0.4 A
  • Dimensions: 13/32" diameter x 1-1/2" length
  • Standards: UL 248-5, CSA C22.2 No. 248.5
  • Applications: Motor circuits, transformers, lighting, heating, general industrial equipment
  • AIC rating: 200,000 A
  • Fuse Class: RK5
  • Weight: 5.19 lb


Product Identification
  • Manufacturer: Mersen