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Square D FH16020B - Molded Case Circuit Breaker 20A 277V

Square D
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Square D FH16020B is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 20A current rating and a 277V AC voltage rating, housed within a compact F-frame design measuring 162.6 mm H x 38.1 mm W x 104.9 mm D and weighing 2 lb. The breaker is UL Listed and CSA Certified, ensuring compliance with North American safety standards for use in panelboards and switchboards. Its thermal-magnetic protection with long-time and instantaneous trip functions makes it suitable for safeguarding branch circuits and equipment.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic protection with LI (Long-time and Instantaneous) trip
  • Voltage Rating: 277V AC
  • Current Rating: 20A
  • Dimensions: 162.6 mm H x 38.1 mm W x 104.9 mm D (6.4 in x 1.5 in x 4.13 in)
  • Standards: UL Listed, CSA Certified
  • Applications: Industrial and commercial panelboards, switchboards, branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Single-pole
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC rating: 25kA at 240V
  • Connection: I-Line style plug-in
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: F Frame
  • Wire Size: 12 to 4 AWG (Aluminum), 14 to 4 AWG (Copper)
  • Certification: UL Listed, CSA Certified
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 078590133892
  • GTIN: 00785901338925