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Westinghouse 504C336G03 - Molded Case Circuit Breaker 90A 600V 2-Pole

Westinghouse
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Westinghouse 504C336G03 is a KA Series molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. This 2-pole, 1-phase unit is rated for 90A at 600V maximum and features a thermal magnetic trip unit with long-time and instantaneous (LI) functions for precise fault response. The breaker weighs 17 lb, utilizes a bolt-on connection, and includes a Saf-T-Vue window for visual trip indication along with load side lug terminals. It delivers a standard interrupting capacity of 22kA at 480V, meeting rigorous safety requirements for branch circuit protection. Typical applications include motor control centers, panelboards, and switchboards requiring reliable, space-efficient overcurrent protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Series/Frame: KA Series
  • Type: KA
  • Amperage: 90A
  • Voltage Rating: 600V
  • Poles: 2
  • Phase: 1
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22kA @ 480V
  • Trip Unit: Thermal Magnetic with Long-Time and Instantaneous (LI) functions
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 17 lb
  • Saf-T-Vue window for trip indication
  • Load side lug terminals


504C336G03