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Bussmann FWA-150A - Semiconductor Fuse 150A 250V (5.19 lb)

United Fuses
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The FWA-150A is a high-speed semiconductor protection fuse designed to safeguard sensitive power electronics from overcurrent faults. This fuse is rated for 150 amps and operates at a maximum voltage of 250 volts AC/DC, providing robust protection for rectifiers, inverters, and variable frequency drives. Constructed with a compact, cylindrical body and silver-plated end caps, it measures approximately 2.25 inches in length with a 1.06-inch diameter and weighs 5.19 lb. The FWA-150A complies with UL 248-13 and IEC 60269-4 standards for semiconductor fuse performance, ensuring reliable operation in demanding industrial environments. Typical applications include DC power supplies, UPS systems, and motor drive circuits where fast-acting overcurrent protection is critical.

Key Features & Specifications
  • Type: High-speed semiconductor protection fuse, silver-plated copper end caps
  • Voltage Rating: 250 V AC/DC
  • Current Rating: 150 A
  • Dimensions: 2.25 in length, 1.06 in diameter
  • Standards: UL 248-13, IEC 60269-4
  • Applications: Rectifiers, inverters, variable frequency drives, DC power supplies, UPS systems
  • Weight: 5.19 lb
  • Fuse Class: Semiconductor (aR)
  • Mounting: Clip or bolt-on
  • Operating Temperature Maximum Celsius: 125 °C
  • Breakage Voltage: 250 V
  • Interrupting Rating: 200 kA RMS symmetrical