Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P
Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P

Square D HDA36040 - Molded Case Circuit Breaker 40A 600V 3P

Square D
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Square D HDA36040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 40A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm x 104 mm x 86 mm (HxWxD) and weighing 5.58 lb. The breaker is constructed for robust performance, meeting UL, CSA, NEMA, NOM, and IEC 60947-2 standards, and operates effectively across a wide temperature range from -25°C to 70°C. Its I-Line style plug-in connection and thermal-magnetic trip unit with long-time and instantaneous (LI) functions make it suitable for three-phase applications in commercial and industrial panelboards, offering an interrupting capacity of 18kA at 480V.

Key Features & Specifications
  • Type: HDA Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • 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 Power Distribution, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • Voltage: 600V
  • Amperage: 40A
  • AIC rating: 18kA @ 480V
  • Connection: I-Line Style Plug-In, Lug
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (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)
  • Terminal Connection: I-Line, Lug
  • Weight: 5.58 lb


Product Identification
  • UPC: 785901419945
  • GTIN: 00785901419945