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Square D EDB34020LH - 3-Pole 20A Thermal Magnetic Breaker

Square D
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Square D EDB34020LH is a 3-pole miniature circuit breaker from the EDB Series designed for branch circuit protection in lighting panelboards. It is rated for 20A at 480V AC with an 18kA interrupting capacity, providing thermal magnetic overload and short circuit protection via LI (Long-Time and Instantaneous) functions. The unit measures 5.66 in (143.76 mm) x 2.94 in (74.68 mm) x 4.05 in (102.87 mm), weighs 3.48 lb, and features a bolt-on mounting with lug-type terminal connections accepting AWG 12 to AWG 2/0 aluminum or AWG 14 to AWG 2/0 copper wire. It is certified to cULus and IEC standards, operates at a temperature rating of 104°F (40°C), and is manufactured in Mexico by Schneider Electric for use in NF panelboards.

Key Features & Specifications
  • Type: EDB
  • Family: EDB Series
  • Item Subcategory: Molded Case
  • Poles: 3
  • Current Rating: 20A
  • Voltage Rating: 480V
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Wire Size: AWG 12...AWG 2/0 aluminum; AWG 14...AWG 2/0 copper
  • Panel Type: NF panelboard
  • Dimensions: 5.66 in (143.76 mm) x 2.94 in (74.68 mm) x 4.05 in (102.87 mm) (Height x Width x Depth)
  • Weight: 3.48 lb
  • Temp Rating: 104°F (40°C)
  • Standards: cULus, IEC
  • Certification: cULus, IEC
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901638582
  • GTIN: 00785901638582