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Siemens NJG3B300 - Molded Case Circuit Breaker 300A 600V 3P

Siemens
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Siemens NJG3B300 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 300A continuous current rating, housed within a robust JG frame with a bolt-on connection for secure installation. This thermal magnetic breaker complies with relevant industry standards and offers an interrupting capacity of 35kA at 480V AC. Its LI (Long-time and Instantaneous) trip functions make it suitable for protecting feeders and mains in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: JG Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 35kA at 480V AC
  • Protection Functions: LI (Long-time and Instantaneous)
  • Weight: 44 lb
  • Family: VL Series
  • Standards: Designed to meet applicable industry standards for circuit protection
  • Applications: Industrial power distribution, feeder and main circuit protection in panelboards and switchboards
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.


Product Identification
  • UPC: 078364358542
  • GTIN: 00783643585423