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Q1L3801021 - Molded Case Circuit Breaker 100A 480V AC (5.19 lb)

United Fuses
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Q1L3801021 is a heavy-duty industrial circuit breaker designed for primary overcurrent protection in electrical distribution systems. It is rated for 480V AC and 100A continuous current, with a robust molded case construction and thermal-magnetic trip mechanism for reliable fault interruption. The unit weighs 5.19 lb and features a compact frame size suitable for panelboard mounting. It complies with UL 489 and CSA C22.2 standards for safety and performance. Typical applications include commercial and industrial power distribution, motor control centers, and branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA C22.2
  • Applications: Commercial and industrial power distribution, motor control centers, branch circuit protection
  • Breaker Type: Thermal-magnetic
  • Frame Size: Compact
  • Panel Type: Panelboard
  • Mounting: Panel mount
  • Phase: 3-phase
  • Poles: 3
  • Connection: Line and load lugs
  • Interrupting Rating: 10kA at 480V AC
  • Operating Temperature: -20°C to 60°C
  • Enclosure: Open style
  • Certification: UL, CSA


Product Identification
  • UPC: Not available
  • GTIN: Not available