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Square D JJA36150AABC - Molded Case Circuit Breaker 150A 600V

Square D
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Square D JJA36150AABC is a 3-pole molded case circuit breaker from the Powerpact family by Schneider Electric, designed for overcurrent protection in industrial power distribution systems. It is rated for 150 amps at 600VAC with a 65kA interrupting capacity at 480V, supporting three-phase applications. This thermal magnetic breaker features I-Line style plug-in mounting, weighs 3 lb, and accommodates wire gauges from AWG 4 to AWG 4/0 for aluminum or copper conductors. It is certified to UL, CSA, CE, NOM, IEC, and NEMA standards, and operates in temperatures from -25 to 70 °C. Typical applications include panelboards, switchboards, and motor control centers in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case
  • Brand: Square D by Schneider Electric
  • Family: Powerpact
  • Series/Frame: JJA
  • Current Rating: 150A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Mounting Type: I-Line Style Plug-In
  • Trip Unit: Thermal Magnetic with Long-Time and Instantaneous Trip
  • Wire Gauge: AWG 4 to AWG 4/0 Aluminum/Copper
  • Operating Temperature: -25 to 70 °C
  • Weight: 3 lb
  • Certifications: UL, CSA, CE, NOM, IEC, NEMA
  • Dimensions (HxWxD): 7.5 x 4.09 x 3.4 inches