Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V
Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V

Square D HJA36020 - Molded Case Circuit Breaker, 20A 3P 600V

Square D
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Square D HJA36020 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 20A 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 5.45 lb. This thermal-magnetic breaker offers both long-time and instantaneous (LI) trip functions, is rated for 65kA interrupting capacity at 480V, and operates reliably across a temperature range of -25 to 70 °C. It complies with key industry standards including UL, CSA, NEMA, and IEC 60947-2, ensuring suitability for commercial and industrial panelboards and switchboards. The unit utilizes a plug-in, I-Line style connection with lug terminals compatible with copper or aluminum conductors from 14 AWG to 3/0 AWG.

Key Features & Specifications
  • Type: HJA Series, Molded Case, Thermal-Magnetic Protection, I-Line Style Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Weight: 5.45 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial & Commercial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: Plug-In (I-Line Style), Lug Terminal
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: Long-Time & Instantaneous Trip (LI)
  • Frame Size: H
  • Wire Size: 14 AWG to 3/0 AWG (Copper or Aluminum)
  • Certification: UL Listed, CSA Certified, NOM
  • Phase Connection: ABC
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901600947
  • GTIN: 00785901600947