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Square D IF34090 - Molded Case 90A 3-Pole 480V

Square D
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Square D IF34090 is a 90A, 3-pole molded case circuit breaker from the I-Limiter family, designed for high-interrupting capacity thermal-magnetic protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions at 480V AC, with an exceptional 200kA interrupting capacity at 480V to handle severe fault conditions. This unit features an I-Line style plug-in connection for secure bus mounting, weighs 10 lb, and is constructed for 3-phase applications. It complies with industry standards for molded case breakers, ensuring reliable overcurrent and short-circuit protection. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers requiring high fault current ratings.

Key Features & Specifications
  • Type: Molded Case, I-Limiter Family, IF Series
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 200kA@480V
  • Weight: 10 lb
  • Standards: UL, CSA, NEMA
  • Applications: Industrial switchboards, panelboards, motor control centers


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