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Westinghouse 504C740G17 - Molded Case 70A 3-Pole

Westinghouse
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Westinghouse 504C740G17 is a MARK 75 Series molded case circuit breaker designed for overload and short-circuit protection in industrial and commercial power distribution systems. This 3-pole, 70A unit is rated for 600V and delivers an interrupting capacity of 35kA at 480V, utilizing a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions. The breaker features a bolt-on connection for secure installation and weighs 29 lb, housed in an HLA frame type. It is built for 3-phase applications, ensuring reliable performance in demanding electrical environments. Typical uses include protection of feeders, motors, and branch circuits in panelboards and switchgear.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: 504C740G17
  • Series: MARK 75
  • Type: HLA
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA@480V
  • Weight: 29 lb


Part Number: 504C740G17