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Square D MJF36600 - Molded Case Circuit Breaker 600A 600V 3P

Square D
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Square D MJF36600 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a 600A current rating and a 600V voltage rating, with a robust solid-state trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed with a compact M-frame size, measuring 326.64 mm H x 210.06 mm W x 204.47 mm D and weighing 27.829 lb, and utilizes a bolt-on connection with busbar terminals compatible with wire sizes from 3/0 AWG to 500 kcmil for both copper and aluminum conductors. It complies with key industry standards including UL, CSA, NEMA, and IEC 60947-2, ensuring suitability for a wide range of commercial and industrial applications such as panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Powerpact M-Frame Molded Case Circuit Breaker with Solid-State Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 326.64 mm H x 210.06 mm W x 204.47 mm D (12.86 in x 8.27 in x 8.05 in)
  • Weight: 27.829 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Terminal Connection: Busbar Connection
  • Frame Size: M
  • Trip Type: Solid State
  • Protection: Long-Time and Instantaneous (LI)
  • AIC Rating: 65kA at 480V
  • Wire Size: 3 x AWG 3/0 to 3 x 500 kcmil (Aluminium/Copper)
  • MCM Size: Min. 3/0 AWG, Max. 500 kcmil
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Certification: UL, CSA, NOM
  • Manufacturer: Schneider Electric
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901504283
  • GTIN: 00785901504283