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Westinghouse HLA3450 - Molded Case Circuit Breaker 450A 600V

Westinghouse
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Westinghouse HLA3450 is a 450 amp, 600 volt, 3 pole bolt-on molded case circuit breaker from the MARK 75 family, designed to provide reliable overcurrent protection for industrial and commercial power distribution systems. It utilizes a thermal magnetic trip unit with LI (Long-Time and Instantaneous) protection functions to safeguard electrical circuits against sustained overloads and short circuits. This three-phase breaker features a bolt-on connection for secure mounting in panelboards and switchboards, with a robust construction weighing 29 lb. It carries an interrupting capacity of 35kA at 480V AC, meeting stringent safety requirements for high-fault applications. The HLA3450 is suitable for use in manufacturing facilities, commercial buildings, and other environments requiring dependable circuit isolation and protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Westinghouse
  • Family: MARK 75
  • Type: HLA
  • Current Rating: 450 Amps
  • Voltage Rating: 600 Volts AC
  • Number of Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA at 480V
  • Weight: 29 lb