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Square D MJA36600 - Molded Case Circuit Breaker 600A 600V 3P

Square D
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Square D MJA36600 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600A current rating and a 600V voltage rating, housed within a robust 800A/M frame with dimensions of 326.64 mm H x 210.06 mm W x 204.47 mm D and a weight of 29.19 lb. This three-pole, panel-mount breaker utilizes solid-state protection with long-time and instantaneous (LI) trip functions and is engineered for operation in temperatures from -25°C to 70°C. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, making it suitable for integration into I-Line panelboards and other demanding three-phase applications where a 65kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard Type, Solid State Protection with LI (Long-Time and Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Frame Size: 800A/M
  • Poles: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Panel Mount with Box Lug Terminal
  • Wire Size: 3 x AWG 3/0 to 3 x 500 kcmil (aluminium/copper)
  • Phase Connection: 3-Phase, CBA
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • 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: 29.19 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Panel Type: I-Line Panelboards


Product Identification
  • UPC: 785901504757
  • GTIN: 00785901504757