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Square D MAL3660040M - Molded Case Breaker 600A 3-Pole

Square D
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Square D MAL3660040M is a molded case circuit breaker from the MAL Series designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC, 600A continuous current, and 3-phase operation, with a 30kA interrupting capacity at 480V. The unit features a 3-pole feed-thru connection, weighs 40 lb, and is constructed for robust panel mounting. It complies with industry standards for overcurrent protection in heavy-duty environments. Typical applications include motor control centers, switchboards, and industrial machinery requiring precise magnetic trip coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MAL Series
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • AIC Rating: 30kA@480V
  • Weight: 40 lb
  • Circuit Breaker Mounting Style: Panel Mount
  • Standards: UL, CSA, NEMA