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Westinghouse 504C740G04 - Molded Case 100A 2-Pole (MARK 75 HLA)

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Regular price $3,264.61
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Westinghouse 504C740G04 Circuit Breaker - Molded Case 100A 2-Pole (MARK 75 HLA) The Westinghouse 504C740G04 is a molded case circuit breaker from the MARK 75 family, designed to provide overcurrent protection through its thermal magnetic trip mechanism. This 2-pole unit is rated for 100A continuous current at 600VAC, with an interrupting capacity of 35kA at 480VAC, and features LI (Long-Time and Instantaneous) protection functions. The breaker weighs 26 lb and utilizes a bolt-on connection style for secure installation in compatible panelboards. It complies with industry standards for industrial electrical distribution systems. Typical applications include branch circuit protection in commercial and industrial power panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V
  • Current Rating: 100A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 1
  • Family: MARK 75
  • Type: HLA
  • Weight: 26 lb
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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