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Westinghouse RLM3300L - Molded Case Circuit Breaker 300A 600V 3-Pole

Westinghouse
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Westinghouse RLM3300L is a 3-pole molded case circuit breaker from the LM Series, designed to provide overcurrent protection through long-time and instantaneous (LI) trip functions. It is rated for 600V AC, 300A continuous current, and delivers an interrupting capacity of 22kA at 480V AC in a 3-phase system. This thermal-magnetic breaker features a feed-thru connection, weighs 68 lb, and is constructed for industrial-grade durability. It complies with applicable industry standards for molded case circuit breakers. Typical applications include industrial power distribution, motor control centers, and commercial electrical panels requiring reliable fault protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 22kA@480V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Weight: 68 lb
  • Family: LM Series
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous