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Eaton Bussmann FRS20 - RK5 Time-Delay 20A 600V Fuse

United Fuses
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Eaton Bussmann FRS20 is a Class RK5 time-delay fuse designed for overcurrent protection of motor circuits and equipment. It is rated for 20 amperes at 600 volts AC and 300 volts DC, featuring a dual-element construction that provides current-limiting, time-delay operation with an interrupting rating of 200 kA at 600 Vac and 20 kA at 300 Vdc. The fuse has a non-indicating design with ferrule end connections, measures 5 inches in length, and weighs 5.19 lb. It is CE marked for compliance with European safety standards. Typical applications include industrial motor control centers, panelboards, and feeder circuits requiring high fault current protection.

Key Features & Specifications
  • Type: Class RK5, Time-Delay, Dual-Element
  • Amperage: 20 A
  • Voltage: 600 Vac, 300 Vdc
  • Poles: Single (fuse element)
  • Mounting Type: Ferrule end x ferrule end
  • Interrupt Rating: 200 kAIC at 600 Vac, 20 kAIC at 300 Vdc
  • Series/Frame: Bussmann Series FRS-R
  • Trip Unit: Time-delay, dual-element
  • Fuse Indicator: Non-indicating
  • Length: 5 inches
  • Weight: 5.19 lb
  • Certifications: CE Marked