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Eaton Bussmann FRS40 - Class RK5 Time Delay 40A Fuse (600VAC)

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Eaton Bussmann FRS40 is a Class RK5 time-delay, dual-element fuse designed to protect electrical circuits and equipment from overloads and short circuits. This 40-ampere fuse is rated for 600 volts AC and 250 volts DC, providing a high interrupting rating of 200 kA at 600 VAC and 20 kA at 250 VDC. It features a non-indicating ferrule end connection and a response time of 10 seconds at 500% overload, with a weight of 5.19 lb. The fuse is CE marked and requires a fuse holder for mounting. Typical applications include combination starters, motor control centers, and power panelboards.

Key Features & Specifications
  • Type: Time Delay, Dual Element
  • Amperage Rating: 40 A
  • Voltage Rating: 600 VAC / 250 VDC
  • Interrupt Rating: 200 kA at 600 VAC, 20 kA at 250 VDC
  • Fuse Class: RK5
  • Connection: Ferrule end x ferrule end
  • Mounting Type: Requires fuse holder
  • Response Time: 10 seconds at 500% overload
  • Certifications: CE Marked
  • Non-indicating fuse
  • Weight: 5.19 lb