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Square D FH16090A - Molded Case Circuit Breaker 90A 1P (277V AC)

Square D
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Square D FH16090A is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 90A current rating and a 277V AC voltage rating, suitable for single-phase applications. The breaker is constructed with a compact F-frame design, measuring 162.6 mm H x 38.1 mm W x 104.9 mm D and weighing 2 lb, and utilizes a convenient I-Line style plug-in connection. It complies with industry standards for thermal-magnetic protection, offering both long-time and instantaneous (LI) trip functions with an interrupting capacity of 25kA at 240V AC. Typical applications include protection for feeders, branch circuits, and equipment within panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 277V AC
  • Current Rating: 90A
  • 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: Industry Standard Thermal-Magnetic Protection
  • Applications: Industrial & Commercial Panelboards, Switchboards, Feeder & Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC Rating: 25kA @ 240V AC
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Plug-In
  • Hz: 50/60 Hz
  • Certification: Industry Standard
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line Plug-In
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: Industry Standard for Thermal-Magnetic Protection
  • Installation Type: Plug-In
  • Breaker Frame: F Frame
  • Operating Temperature Maximum Celsius: Standard Industrial Rating
  • Weight: 2 lb


Product Identification
  • GTIN: 00785901292074