Square D EJB34020 - 3-Pole Circuit Breaker 20A 480V 65kA
Square D EJB34020 - 3-Pole Circuit Breaker 20A 480V 65kA
Square D EJB34020 - 3-Pole Circuit Breaker 20A 480V 65kA
Square D EJB34020 - 3-Pole Circuit Breaker 20A 480V 65kA

Square D EJB34020 - 3-Pole Circuit Breaker 20A 480V 65kA

Square D
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Square D EJB34020 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 20A current rating and a 480V AC voltage rating, housed within a compact, bolt-on J-frame design measuring 143.76 mm H x 74.68 mm W x 102.87 mm D and weighing 3.651 lb. This thermal-magnetic breaker is cULus listed and provides 65kA interrupting capacity at 480V, with an operational temperature range of -25 to 70 °C. It is engineered for installation in NF panelboards, utilizing lug terminals and accepting copper wire from AWG 14 to 6 or aluminum wire from AWG 12 to 6.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 480V AC
  • Current Rating: 20A
  • Dimensions: 5.66 in (143.76 mm) H x 2.94 in (74.68 mm) W x 4.05 in (102.87 mm) D
  • Weight: 3.651 lb
  • Standards & Certification: cULus
  • Applications: Three-phase power distribution in industrial and commercial NF panelboards
  • Frame Size: J; E-Frame
  • Poles: 3
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • AIC Rating: 65kA @ 480V
  • Phase: 3
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Wire Size: AWG 12 to 6 (Aluminum), AWG 14 to 6 (Copper)
  • Panel Type: NF panelboard
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip


Product Identification
  • UPC: 785901326380
  • GTIN: 00785901326380