Square D EJB34030 - 3-Pole Molded Case Breaker 30A 480V
Square D EJB34030 - 3-Pole Molded Case Breaker 30A 480V
Square D EJB34030 - 3-Pole Molded Case Breaker 30A 480V
Square D EJB34030 - 3-Pole Molded Case Breaker 30A 480V

Square D EJB34030 - 3-Pole Molded Case Breaker 30A 480V

Square D
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Square D EJB34030 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 30A current rating and a 480V AC voltage rating, housed within a compact J-frame/E-frame design measuring 143.76 mm H x 74.68 mm W x 102.87 mm D and weighing 3.79 lb. The breaker is cULus listed and constructed for thermal-magnetic protection with a long-time and instantaneous (LI) trip function, ensuring compliance with industry safety standards. Its 65kA interrupting rating at 480V and bolt-on lug terminals for wire sizes from 6 to 12 AWG (Al) or 6 to 14 AWG (Cu) make it suitable for installation in NF panelboards across commercial and industrial facilities, operating reliably in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 480V AC
  • Current Rating: 30A
  • Dimensions: 143.76 mm H x 74.68 mm W x 102.87 mm D (5.66 in x 2.94 in x 4.05 in)
  • Standards: cULus
  • Applications: Three-Phase Power Distribution in NF Panelboards for Industrial/Commercial Use
  • Frame Size: J; E-Frame
  • Poles: 3
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Wire Size: 12 AWG to 6 AWG (Aluminum), 14 AWG to 6 AWG (Copper)
  • AIC Rating: 65kA @ 480V
  • Phase: 3
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Panel Type: NF panelboard
  • Certification: cULus
  • Weight: 3.79 lb


Product Identification
  • UPC: 785901435327
  • GTIN: 00785901435327