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Square D EJB36045 - Molded Case Circuit Breaker 45A 3-Pole

Square D
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Square D EJB36045 is a 3-pole molded case circuit breaker from the EJB Series, designed for branch circuit protection in Class 515 NF series panelboards. It provides thermal-magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 45 amperes at 600Y/347 VAC and 600V, with an interrupting capacity of 65 kA at 480V. The unit features bolt-on mounting, measures 5.66 in (143.76 mm) x 2.94 in (74.68 mm) x 4.05 in (102.87 mm), and weighs 3.45 lb. It is cULus certified and suitable for lighting applications in industrial environments, with a temperature rating of 104 °F (40 °C) and wire size compatibility of AWG 12 to AWG 2/0 aluminum and AWG 14 to AWG 2/0 copper.

Key Features & Specifications
  • Type: EJB
  • Amperage Rating: 45 Amp
  • Number of Poles: 3
  • Voltage Rating: 600Y/347 VAC
  • Mounting Type: Bolt-On
  • Tripping Mechanism: Thermal-Magnetic
  • Interrupt Rating: 65 kA at 480V
  • Certification: cULus
  • Wire Size: AWG 12...AWG 2/0 aluminum / AWG 14...AWG 2/0 copper
  • Dimensions: 5.66 in (143.76 mm) x 2.94 in (74.68 mm) x 4.05 in (102.87 mm)
  • Weight: 3.45 lb
  • Functions: LI - Long-Time and Instantaneous
  • Panel Type: NF panelboard
  • Phase: 3
  • Temp Rating: 104 °F (40 °C)
  • Country of Origin: Mexico


Product Identification
  • UPC: 078590140704
  • GTIN: 00785901407041