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Square D MHL36000M1287 - Molded Case Breaker 1000A 600V (3-Pole Magnetic)

Square D
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Square D MHL36000M1287 is a three-pole molded case circuit breaker from the MHL Series, designed for instantaneous magnetic-only protection in high-capacity industrial power distribution systems. It is rated for 1000A at 600V AC with a robust interrupting capacity of 65kA at 480V, ensuring reliable fault interruption in demanding environments. The unit features a feed-thru connection type, is built on the M Frame, and measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighing 44 lb. It complies with industry standards for overcurrent protection in three-phase applications. This breaker is typically used in commercial and industrial settings requiring high-amperage, magnetic-only protection for motor control centers, switchboards, and distribution panels.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: MHL36000M1287
  • Type: MHL
  • Series/Frame: MHL Series, M Frame
  • Amperage: 1000 Amps
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3
  • Protection: Magnetic Only
  • Trip Unit Type: Magnetic
  • Functions: I - Instantaneous
  • Interrupt Rating: 65kA at 480V
  • Connection Type: Feed-Thru
  • Dimensions: Depth 8.05 in (204.47 mm), Width 8.27 in (210.06 mm), Height 12.86 in (326.64 mm)
  • Weight: 44 lb


MHL36000M1287