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Square D FH16020C - Molded Case Breaker 20A 277V 1-Pole

Square D
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Square D FH16020C 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 voltage rating, engineered to handle standard single-phase applications. The breaker is constructed with a compact F-frame design measuring 6.4 in (162.6 mm) H x 1.5 in (38.1 mm) W x 4.13 in (104.90 mm) D and utilizes a thermal magnetic protection mechanism for both long-time and instantaneous (LI) trip functions. It complies with UL and CSA standards and offers a 25kA interrupting capacity at 240V. Typical applications include protection for feeders, branch circuits, and motor loads in panelboards and switchboards, accommodating aluminum or copper wire sizes from AWG 14 to 4.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, I-Line Style Plug-In Connection
  • Voltage Rating: 277V AC
  • Current Rating: 20A
  • Dimensions: 6.4 in (162.6 mm) H x 1.5 in (38.1 mm) W x 4.13 in (104.90 mm) D
  • Standards: UL, CSA
  • Applications: Industrial and Commercial Panelboards, Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC rating: 25kA @ 240V
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Wire Size: AWG 12 to 4 AWG, AWG 14 to 4 AWG, Aluminum/Copper
  • Certification: UL, CSA
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Weight: 2 lb


Product Identification
  • UPC: 078590133893
  • GTIN: 00785901338932