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Westinghouse 504C336G20 - Molded Case 125A 3-Pole

Westinghouse
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Westinghouse 504C336G20 is a 3-pole molded case circuit breaker from the KA Series, designed for LI (Long-Time and Instantaneous) protection functions. This thermal magnetic breaker is rated for 125A at 600V AC and provides a 22kA interrupting capacity at 480V, with a bolt-on connection for secure installation. Weighing 19 lb, the unit features a compact molded case construction suitable for 3-phase systems. It is UL489 certified, meeting National Electrical Code standards for thermal overload and short circuit protection. Typical applications include branch circuit protection in industrial power distribution panels, motor control centers, and OEM equipment requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: KA Series
  • Type: KA
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 125A
  • Amperage: 20 Amps
  • Voltage Rating: 480Y/277V AC
  • Interrupt Rating: 10kAIC
  • Trip Curve: C Curve
  • Mounting Type: 35mm DIN rail or direct panel mount
  • UL489 Certified
  • Direct Current Rating: 60V DC per pole