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FA36045CBA

Square D
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Square D FA36045CBA is a 3-pole thermal magnetic molded case circuit breaker from the I-Line family, designed for plug-in mounting and providing long-time and instantaneous (LI) overcurrent protection. Rated for 600V and 45A, this Type FA unit delivers an interrupting capacity of 18kA at 480VAC and operates on a 3-phase system. The breaker features an F Frame construction, weighs 9 lb, and utilizes I-Line style plug-in connections for secure installation in panelboards. It is UL and CSA certified for use in commercial and industrial power distribution systems where reliable branch circuit protection is required. Typical applications include feeder and main breaker roles in switchboards, lighting panels, and motor control centers.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: FA
  • Weight: 9 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 3
  • Current Rating: 45A
  • Amperage: 45 Amps
  • Voltage: 600 Volts
  • Poles: 3-Pole
  • Phase: 3-Phase
  • Mounting Type: I-Line Style Plug-In
  • Circuit Breaker Type: Molded Case (MCCB)
  • Protection Type: Thermal Magnetic
  • Trip Functions: Long-Time and Instantaneous
  • Frame Type: F
  • Interrupting Rating: 25kA at 120/240VAC, 18kA at 277/480VAC, 14kA at 347/600VAC, 10kA at 250VDC
  • Certifications: UL, CSA


Square D FA36045CBA - Molded Case 45A 3-Pole (600V I-Line)