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Westinghouse NB3800S - Molded Case 800A 600V 3-Pole Breaker

Westinghouse
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Westinghouse NB3800S is a 3-pole molded case circuit breaker from the NB Series, designed to provide overcurrent protection through thermal magnetic trip technology. It is rated for 600V AC and 800A, with a long-time and instantaneous (LI) trip function to handle both sustained overloads and short circuits. The unit features a bolt-on connection, weighs 61 lb, and is constructed with a molded case frame for durability in industrial environments. It complies with industry standards for low voltage power distribution, offering an interrupting capacity of 30kA at 480V. This breaker is suited for industrial electrical distribution systems requiring reliable circuit protection in three-phase applications.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Westinghouse
  • Model: NB3800S
  • Family: NB Series
  • Type: NB
  • Poles: 3
  • Voltage Rating: 600V AC
  • Current Rating: 800 Amps
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 30kA at 480V
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 61 lb
  • Frame Type: NB Series
  • Mounting: Bolt-On
  • Trip Unit: Thermal Magnetic
  • Interrupt Rating: 30kA at 480V
  • Construction: Molded Case