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Westinghouse NB2900 - Molded Case 900A 600V (2-Pole Bolt-On)

Westinghouse
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Westinghouse NB2900 is a 2-pole molded case circuit breaker from the NB Series, designed to provide long-time and instantaneous (LI) thermal-magnetic protection for electrical distribution systems. It is rated for 900 amps continuous current at 600 volts AC, with an interrupting capacity of 30kA at 480 volts. The unit features a bolt-on connection, weighs 53 lb, and is constructed for single-phase operation. It complies with IEC 60947-2 standards for industrial and commercial applications requiring robust overcurrent protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: NB Series
  • Type: NB
  • Weight: 53 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 1
  • Current Rating: 900A
  • Amperage: 900 Amps
  • Voltage Rating: 600 Volts AC
  • Number of Poles: 2
  • Mounting Type: Bolt-On
  • Interrupting Capacity: 30kA @ 480V
  • Series: NB Series
  • Compliance: IEC 60947-2


Part Number: NB2900