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Square D HJA36040SA - Molded Case Circuit Breaker 40A 600V 3P

Square D
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Square D HJA36040SA 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 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 lb. This thermal-magnetic breaker with LI (Long-time and Instantaneous) functions is engineered to comply with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring robust performance. It is typically applied in panelboards and switchboards, offering a 65kA interrupting capacity at 480V and includes a 120V shunt trip for remote tripping capability.

Key Features & Specifications
  • Type: HJA Molded Case Circuit Breaker, Thermal-Magnetic Protection with LI Functions
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.4 in H x 4.09 in W x 3.4 in D (163 mm x 104 mm x 86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution in Panelboards and Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: 120V (Shunt Trip)
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: H Frame
  • Wire Size: AWG 14 to AWG 3/0 (Aluminium/Copper Terminal)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: Mexico
  • Weight: 5 lb


Product Identification
  • UPC: 060648628261
  • GTIN: 03606486282618