Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole
Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole

Square D EJB24040 - Molded Case Circuit Breaker 40A 480V 2-Pole

Square D
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Square D EJB24040 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 40A current rating and a 480V AC voltage rating, with a 65kA interrupting capacity at 480V for robust short-circuit protection. The breaker is constructed with a compact bolt-on connection design, measuring 143.76 mm H x 49.78 mm W x 102.87 mm D and weighing 2.47 lb, and it operates reliably within a temperature range of -25 to 70 °C. It complies with cULus standards and is engineered for integration into NF panelboards. Typical applications include protecting feeders and branch circuits in commercial buildings and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-Time and Instantaneous) Trip Function
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Dimensions: 5.66 in (143.76 mm) H x 1.96 in (49.78 mm) W x 4.05 in (102.87 mm) D
  • Standards: cULus Certified
  • Applications: Feeder and Branch Circuit Protection in Commercial/Industrial NF Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Phase: 1
  • AIC Rating: 65kA @ 480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Panel Type: NF panelboard
  • Breaker Type: Molded Case
  • Wire Size: AWG 12 to 2/0 Aluminum, AWG 14 to 2/0 Copper
  • Certification: cULus


Product Identification
  • UPC: 785901130598
  • GTIN: 00785901130598