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Square D MJP36600 - Molded Case Circuit Breaker 600A 600V 3P

Square D
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Square D MJP36600 is a Powerpact M-frame molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial applications. It features a 600A current rating and a 600V voltage rating, with a robust lug-in/lug-out terminal connection system that accommodates conductors from 3/0 AWG to 500 kcmil for both copper and aluminum. The breaker is constructed with solid-state LI (Long-time and Instantaneous) protection and is housed in a durable enclosure measuring 326.64 mm H x 210.06 mm W x 204.47 mm D, weighing 29 lb. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is rated for an interrupting capacity of 65kA at 480V, operating effectively within a temperature range of -25 to 70 °C. This unit is typically applied in industrial power distribution, panelboards, and switchboards requiring high fault current protection.

Key Features & Specifications
  • Type: Powerpact M-frame, Molded Case Circuit Breaker with Solid-State LI Protection
  • 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: 29 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Lug In/Lug Out
  • Protection: Overcurrent, Solid-State Trip
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: M
  • Trip Type: Solid-State
  • Terminal Connection: Lug, Terminal Nut
  • 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
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901785910
  • GTIN: 03606486284834