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Westinghouse NB3700P - Molded Case 700A 600V

Westinghouse
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Westinghouse NB3700P is a 3-pole molded case circuit breaker from the Tri-Pac family, designed to provide primary overcurrent protection in low voltage power distribution systems. This NB type unit delivers thermal magnetic trip protection with LI (Long-Time and Instantaneous) functions, rated for 700A continuous current at a maximum voltage of 600V AC. Weighing 85 lb, the breaker features a bolt-on mounting style and feed-thru connection, with a compact construction suitable for panel integration. It carries a high interrupting capacity of 200kA at 600V and is rated for 700 Amps at 40 degrees Celsius, meeting rigorous industry standards for reliability. This breaker is well-suited for industrial and commercial applications requiring dependable high-amperage circuit protection in three-phase power systems.

Key Features & Specifications
  • Type: NB Series Molded Case Circuit Breaker
  • Amperage Rating: 700 Amps
  • Number of Poles: 3
  • Maximum Voltage: 600V AC
  • Mounting Style: Bolt-on
  • Trip Mechanism: Thermal Magnetic
  • Interrupting Rating: 30kA at 480V
  • Continuous Rating: 700 Amps at 40 degrees Celsius
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • AIC Rating: 200kA@600V
  • Phase: 3
  • Weight: 85 lb