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ABB S5N300TW - Molded Case Circuit Breaker 300A 600V 3-Pole

ABB
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ABB S5N300TW is a SACE Isomax molded case circuit breaker designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and delivers a 35kA interrupting capacity at 480V AC in a 3-phase, 3-pole configuration. The unit features a bolt-on connection, an S5 frame size, and LI (Long-Time and Instantaneous) trip functions, weighing 12 lb. This breaker complies with applicable industry standards for overcurrent protection in commercial and industrial environments. It is typically applied in panelboards, switchboards, and motor control centers requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, SACE Isomax Family
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Frame Size: S5
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 12 lb
  • Standards: Complies with applicable UL and NEMA standards
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers


Product Identification
  • UPC: Not specified
  • GTIN: Not specified