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Square D HGA36090AA - 90A 3-Pole Molded Case Breaker

Square D
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Square D HGA36090AA is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 90A at 600V AC with a 35kA interrupting capacity at 480V, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit weighs 7.95 lb and features an I-Line style plug-in connection for secure mounting in Square D panelboards. This breaker complies with UL and NEMA standards for reliable performance in commercial and industrial environments. It is commonly used in motor control centers, switchboards, and distribution panels requiring 3-phase protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • AIC Rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 7.95 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, motor control centers, switchboards