Square D EDB34040 - Molded Case Circuit Breaker 40A 480V 3P
Square D EDB34040 - Molded Case Circuit Breaker 40A 480V 3P
Square D EDB34040 - Molded Case Circuit Breaker 40A 480V 3P
Square D EDB34040 - Molded Case Circuit Breaker 40A 480V 3P

Square D EDB34040 - Molded Case Circuit Breaker 40A 480V 3P

Square D
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Square D EDB34040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 40A current rating and a 480Y/277V AC voltage rating, housed within a compact, durable frame measuring 143.76 mm H x 74.68 mm W x 102.87 mm D and weighing 3.534 lb. This thermal-magnetic breaker is certified to cULus and IEC standards, ensuring compliance for industrial and commercial applications, and is specifically engineered for bolt-on installation in NF-style panelboards. Its 18kA interrupting rating at 480V and long-time plus instantaneous (LI) trip functions make it suitable for protecting feeders and branch circuits in commercial buildings and light industrial facilities.

Key Features & Specifications
  • Type: Standard Molded Case Circuit Breaker, Thermal-Magnetic Protection, LI (Long-Time & Instantaneous) Trip
  • Voltage Rating: 480Y/277V AC
  • Current Rating: 40 Amps
  • Frame Size: 125A/EDB
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Wire Size: 12 AWG to 2/0 AWG (Aluminum), 14 AWG to 2/0 AWG (Copper)
  • Panel Type: NF Panelboard
  • Protection: Thermal Magnetic
  • Standards & Certification: cULus, IEC
  • 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: 3.534 lb
  • Temp Rating: 104°F (40°C)
  • Family: EDB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901875284
  • GTIN: 00785901875284