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Square D EDB34080 - 3-Pole Circuit Breaker 80A 480V

Square D
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The Square D EDB34080 is a three-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for three-phase electrical systems. It features an 80A current rating and a 480Y/277V AC voltage rating, housed within a compact 125A frame with dimensions of 143.76 mm H x 74.68 mm W x 102.87 mm D and a weight of 3.501 lb. This thermal-magnetic breaker utilizes a long-time and instantaneous (LI) trip function with an 18kA interrupting rating at 480V and is constructed for bolt-on connection to NF panelboards using lug terminals that accept copper wire from AWG 14 to 2/0 or aluminum from AWG 12 to 2/0. It is certified to cULus and IEC standards for a maximum ambient temperature of 40°C (104°F), making it suitable for industrial power distribution, panelboards, and motor feeder applications.

Key Features & Specifications
  • Type: Three-pole, thermal-magnetic molded case circuit breaker with long-time and instantaneous (LI) trip
  • Voltage Rating: 480Y/277V AC
  • Current Rating: 80A
  • Frame Size: 125A/EDB
  • Interrupting Rating (AIC): 18kA at 480V AC
  • Poles: 3
  • Connection: Bolt-On, Lug Terminal
  • Wire Size Range: AWG 12 to 2/0 (Aluminum), AWG 14 to 2/0 (Copper)
  • 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)
  • Weight: 3.501 lb
  • Panel Type: NF panelboard
  • Phase: 3
  • Maximum Ambient Temperature: 40°C (104°F)
  • Standards & Certification: cULus, IEC
  • Breaker Type: Standard
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)


Product Identification
  • UPC: 785901875369
  • GTIN: 00785901875369