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ABB S5N - Molded Case 300A 2-Pole (600V)

ABB
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ABB S5N-2P-300A is a 2-pole molded case circuit breaker from the SACE Isomax family, designed for reliable overcurrent protection in low-voltage power distribution systems. It is rated for 300A at 600VAC with a thermal-magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. The unit weighs 12 lb, features a bolt-on connection for secure mounting, and has a compact S5 frame size. It complies with UL 489 and CSA C22.2 standards for industrial circuit breakers. This breaker is suitable for use in industrial switchboards, panelboards, and motor control centers requiring high short-circuit protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Family: SACE Isomax
  • Type: S5N
  • Item Subcategory: Molded Case
  • Poles: 2
  • Current Rating: 300 Amps
  • Voltage Rating: 600 VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: S5
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V
  • Phase: 1
  • Weight: 12 lb
  • Certifications: UL 489, CSA C22.2
  • Auxiliary Switch: Available
  • Undervoltage Trip: 24 Vdc


Part Number: S5N-2P-300A