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Square D JJA36150 - Molded Case Circuit Breaker 150A 600V 3P

Square D
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Square D JJA36150 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 150A current rating and a 600V AC voltage rating, housed within a compact J-frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 6.64 lb. The breaker is constructed with thermal-magnetic trip protection for both long-time delay and instantaneous tripping functions, ensuring compliance with UL, CSA, NEMA, and IEC 60947-2 standards. Its I-Line style plug-in connection and lug terminals facilitate efficient installation, making it suitable for a wide range of commercial and industrial panelboards and switchboards operating in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Trip (LI)
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Frame Size: J
  • Poles: 3
  • AIC Rating: 65kA at 480V AC
  • Connection: I-Line Style Plug-In with Lug Terminals
  • Wire Size Range: Minimum 3/0 AWG, Maximum 350 kcmil (Copper/Aluminum)
  • Phase Connection: 3-Phase (ABC)
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Dimensions (HxWxD): 191 mm x 104 mm x 86 mm (7.5 in x 4.09 in x 3.4 in)
  • Weight: 6.64 lb


Product Identification
  • UPC: 785901795919
  • GTIN: 00785901795919