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Square D HJA36040AABCSJ - Molded Case Circuit Breaker 40A 600V 3-Pole

Square D
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Square D HJA36040AABCSJ is a 3-pole PowerPact H molded case circuit breaker designed for reliable power distribution protection with LI (Long-Time and Instantaneous) trip functions. This 40A unit provides thermal-magnetic protection at a voltage rating of 600VAC and delivers a high interrupting capacity of 65kA at 480VAC. The breaker features an I-Line style plug-in connection, weighs 7.5 lb, and is constructed with a compact H frame type for straightforward installation. It is UL 489 listed, CSA certified, and meets NEMA, IEC, and CE standards for robust compliance. Typical industrial applications include protecting branch circuits and feeders in panelboards and switchboards within commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Model: HJA36040AABCSJ
  • Current Rating: 40 A
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • AIC Rating: 65kA@480V
  • Interrupt Rating: 25 kA at 600 VAC, 65 kA at 480 VAC, 100 kA at 240 VAC
  • Weight: 7.5 lb
  • Frame Type: H (PowerPact H)
  • Mounting Type: Plug-on (I-Line)
  • Certifications: UL 489, CSA, NEMA, IEC, CE
  • Dimensions: 4.12" W x 4.36" D x 6.4" H
  • Terminal Wire Size: 14 to 3/0 AWG Aluminum/Copper