Eaton Bussmann

Eaton Bussmann FWA-300B 300A High Speed Cylindrical Fuse – Class aR – 150VAC/DC – Stud Mount

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SKU: FWA-300B GTIN/UPC: 051712877855
$75.60
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The Eaton Bussmann FWA-300B is a high-speed cylindrical fuse engineered for semiconductor protection in demanding electrical applications. With a 300A current rating and 150VAC/DC capability, it delivers ultra-fast fault interruption to protect sensitive equipment such as DC drives, power converters, and rectifiers. Featuring a cylindrical body with center bolted tags, this Class aR fuse ensures precise and reliable protection in high-performance systems.

Voltage and Rating

  • Current Rating: 300A
  • Voltage Rating: 150VAC / 150VDC
  • Breaking Capacity: Up to 100 kA
  • Interrupt Rating: 200 kAIC VAC, 100 kAIC @ 150VAC, 20 kAIC @ 150VDC

Key Specifications

  • Manufacturer: Eaton Bussmann
  • Catalog Number: FWA-300B
  • Product Type: High Speed Cylindrical Fuse
  • Class: Class aR
  • Utilization Category: aR (Semiconductor Protection)
  • Current Type: AC/DC
  • Fuse Indicator: Non-Indicating
  • Mounting Method: Stud Mount
  • Fuse Shape: Cylindrical, Center Bolted Tags
  • Application: Semiconductor Protection, DC Drives, Power Converters, Rectifiers

Technical Specifications

  • Rated Switching Capacity: 100A
  • Pre-Arc (I²T): 10760
  • Clearing (I²T): 100000
  • Watt Losses: 27 W
  • Mounting Dimension: M8
  • Center-to-Center Distance: 50.75 mm
  • Construction Size: Other
  • Insulated Metal Gripping Lugs (IMGL): No
  • Fuse System: IEC 60269 (Other)

Physical Details

  • Length/Depth: 26 mm
  • Height: 26 mm
  • Width: 72 mm
  • Weight: 100 g

Product Data

  • Manufacturer: Eaton Bussmann
  • UPC: 051712877855
  • EAN: 5027590020367
  • Global Catalog Number: FWA-300B
  • Category: High Speed Fuses
  • Packaging Type: Standard
  • Compliance: CE Marked, RoHS Compliant
  • Certifications: UL Recognized
  • Warranty: Not Applicable
  • Type Circuit Breakers
  • Vendor Eaton Bussmann
  • Brand Eaton Bussmann

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You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.