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Square D HJA260402 - Molded Case Circuit Breaker 40A 600V 2-Pole

Square D
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Square D HJA260402 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 40A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 5.28 lb. This thermal-magnetic breaker utilizes an I-Line style plug-in connection for two-pole, single-phase applications and is constructed to operate within a temperature range of -2 to 70 °C. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring suitability for panelboards and switchboards in commercial and industrial facilities requiring a 65kA interrupting capacity at 480V.

Key Features & Specifications
  • Type: HJA Series Molded Case Circuit Breaker with thermal-magnetic protection and long-time & instantaneous (LI) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.4 in (163 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial panelboards, switchboards, and commercial electrical distribution
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 1
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: H Frame
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: Mexico
  • Item Subcategory: Molded Case
  • Weight: 5.28 lb


Product Identification
  • UPC: 785901419952
  • GTIN: 00785901419952