Square D EJB34070 - Molded Case Circuit Breaker 70A 480V 3P
Square D EJB34070 - Molded Case Circuit Breaker 70A 480V 3P
Square D EJB34070 - Molded Case Circuit Breaker 70A 480V 3P
Square D EJB34070 - Molded Case Circuit Breaker 70A 480V 3P

Square D EJB34070 - Molded Case Circuit Breaker 70A 480V 3P

Square D
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Square D EJB34070 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 70A current rating and a 480V AC voltage rating, housed within a compact J-frame/E-frame design measuring 5.66 in (H) x 2.94 in (W) x 4.05 in (D) and weighing 3.62 lb. The breaker is constructed with thermal-magnetic trip protection for both long-time and instantaneous (LI) fault conditions, achieving a 65kA interrupting capacity at 480V, and is cULus listed for safety compliance. Its bolt-on connection with lug terminals accommodates copper or aluminum conductors from AWG 14 to 2/0, making it suitable for installation in NF-style panelboards within an operating temperature range of -25 to 70 °C (-13 to 158 °F).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time & Instantaneous (LI) Trip
  • Voltage Rating: 480V AC
  • Current Rating: 70A
  • 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: 3.62 lb
  • Standards & Certification: cULus
  • Applications: Three-Phase Industrial Power Distribution, NF Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Frame Size: J; E-Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: NF panelboard
  • Breaker Type: Molded Case
  • AIC Rating: 65kA @ 480V
  • Protection: Overcurrent, Short-Circuit
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Wire Size: AWG 12 to 2/0 (Aluminum), AWG 14 to 2/0 (Copper)
  • MCM Size: Min. 12 AWG (Al) / 14 AWG (Cu), Max. 2/0 AWG (Cu/Al)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Family: EJB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901130635
  • GTIN: 00785901130635