Square D EJB34125 - Molded Case Circuit Breaker 125A 480V 3P
Square D EJB34125 - Molded Case Circuit Breaker 125A 480V 3P
Square D EJB34125 - Molded Case Circuit Breaker 125A 480V 3P
Square D EJB34125 - Molded Case Circuit Breaker 125A 480V 3P

Square D EJB34125 - Molded Case Circuit Breaker 125A 480V 3P

Square D
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Square D EJB34125 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 125A current rating and a 480V AC voltage rating, engineered to interrupt up to 65kA of fault current. The breaker's compact, bolt-on design measures 143.76 mm H x 74.68 mm W x 102.87 mm D and weighs 3.631 lb, utilizing a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection. It is cULus listed for safety compliance and operates within a temperature range of -25 to 70 °C. This unit is typically installed in NF-style panelboards to protect feeder and branch circuits compatible with copper conductors from AWG 14 to 2/0 or aluminum from AWG 12 to 2/0.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 125A
  • Dimensions: 5.66 in (143.76 mm) H x 2.94 in (74.68 mm) W x 4.05 in (102.87 mm) D
  • Standards: cULus
  • Applications: Industrial Power Distribution, Feeder and Branch Circuit Protection
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Panel Type: NF Panelboard
  • Connection: Bolt-On
  • Wire Size: AWG 12 to 2/0 (Aluminum), AWG 14 to 2/0 (Copper)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Weight: 3.631 lb
  • Family: EJB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901161240
  • GTIN: 00785901161240