Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P

Square D HJA36045 - Molded Case Circuit Breaker 45A 600V 3P

Square D
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Square D HJA36045 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact H-frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 5.43 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, is configured as a 3-pole, I-Line style plug-in unit with lug terminals, and offers a 65kA interrupting capacity at 480V. It is engineered to comply with UL, CSA, NEMA, NOM, and IEC 60947-2 standards for safety and performance, making it suitable for integration into panelboards and switchboards within commercial and industrial facilities.

Key Features & Specifications
  • Type: HJA Series, Molded Case, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 6.4 in (163 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Weight: 5.43 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial and Commercial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Phase: 3
  • Phase Connection: ABC
  • AIC Rating: 65kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: H
  • Temp Rating: 28 to 158 °F (-2 to 70 °C)
  • Wire Size: 14 AWG to 3/0 AWG (Copper or Aluminum)
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG (Cu/Al)
  • Certification: UL, CSA, NOM
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901506935
  • GTIN: 00785901506935