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Square D IF34040 - Molded Case 40A 480V 3-Pole I-Line Breaker

Square D
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The Square D IF34040 is a 3-pole molded case circuit breaker from the I-Limiter family, designed for high-interrupting capacity thermal-magnetic protection with long-time and instantaneous (LI) trip functions. It is rated for 40A continuous current at 480V AC, 3-phase, with an exceptional 200kA interrupting capacity at 480V, ensuring robust fault clearing in high-fault industrial environments. This unit features an I-Line style plug-in connection for secure bus mounting, weighs 10 lb, and is constructed for reliable overcurrent and short-circuit protection in demanding applications. It complies with industry standards for molded case breakers, making it suitable for use in switchboards, panelboards, and motor control centers requiring high AIC ratings. Typical applications include industrial power distribution systems, manufacturing facilities, and commercial buildings where high fault currents are present.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Limiter Family, IF Series
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA at 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 10 lb
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 785901788776