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Square D MA36350 - Molded Case Circuit Breaker 350A 600V 3P

Square D
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Square D MA36350 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 350A current rating and a 600V AC voltage rating, housed within a compact M-Frame design with a plug-in I-Line style connection for simplified installation. The breaker is UL-certified and employs a thermal-magnetic trip unit that provides long-time, short-time, and instantaneous protection functions, with an interrupting capacity of 30kA at 480V. Its robust construction supports wire sizes from #3/0 AWG to 500 kcmil and operates reliably across a wide temperature range from -25°C to 70°C (-13°F to 158°F), making it suitable for demanding applications in manufacturing plants, commercial buildings, and data centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Frame Size: M Frame
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Wire Size: #3/0 AWG - 500 kcmil
  • AIC Rating: 30kA @ 480V
  • Phase: 3
  • Trip Functions: Long Time, Short Time, Instantaneous
  • Certification: UL
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 38 lb