Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P
Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P

Square D HDA36045 - Molded Case Circuit Breaker 45A 600V 3P

Square D
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Square D HDA36045 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 construction measuring 163 mm H x 104 mm W x 86 mm D and weighing 5.456 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous protection and complies with UL, CSA, NEMA, and IEC 60947-2 standards. Its I-Line style plug-in connection and lug terminals, accepting wire sizes from 14 AWG to 3/0 AWG, make it suitable for panelboards and switchboards in commercial and industrial facilities.

Key Features & Specifications
  • Type: HDA Series, Molded Case, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 6.4 in H (163 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • AIC Rating: 18kA at 480V
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: H
  • Wire Size: 14 AWG to 3/0 AWG (Copper/Aluminum)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG (Cu/Al)
  • Mounting: Plug-In
  • Terminal Connection: Lug
  • Compatible Frames: I-Line


Product Identification
  • UPC: 785901422242
  • GTIN: 00785901422242