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Square D ECB34020G3 - Molded Case Circuit Breaker 20A 480V 3P

Square D
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Square D ECB34020G3 is a three-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for three-phase industrial electrical systems. It features a 20A current rating and a 480V AC voltage rating, with a compact bolt-on connection design measuring 362 mm wide by 1000 mm high and a weight of 3.75 lb. The breaker is constructed with thermal-magnetic protection for both long-time and instantaneous tripping functions and operates reliably within a temperature range of -25 to 70 °C. It complies with CSA and UL standards, ensuring suitability for panelboards and switchboards in commercial and industrial facilities where a 14kA interrupting rating at 480V is required.

Key Features & Specifications
  • Type: ECB-G3 Molded Case Circuit Breaker with Thermal-Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 20A
  • Poles: 3
  • AIC Rating: 14kA @ 480V
  • Connection: Bolt-On
  • Terminal Connection: Bolted Connection
  • Wire Size: AWG 10 to 8 (Aluminum), AWG 12 to 8 (Copper)
  • Dimensions: 362 mm W x 1000 mm H (14.25 in x 39.37 in)
  • Weight: 3.75 lb
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous
  • Standards & Certification: CSA, UL Listed
  • Breaker Type: ECB-G3
  • Family: Powerlink
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901300199
  • GTIN: 00785901300199