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ABB S3N-4P-150A - Molded Case Circuit Breaker 150A 600V

ABB
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ABB S3N-4P-150A is a 4-pole molded case circuit breaker from the SACE Isomax family, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) functions in power distribution systems. It is rated for 150A continuous current at 600V AC and provides a 25kA interrupting capacity at 480V AC for three-phase systems with neutral. The unit weighs 8 lb, features a bolt-on connection with a fixed mounting configuration, and utilizes a compact molded case construction within the S3 frame size. It complies with UL 489, CSA C22.2, and IEC 60947-2 standards for safety and performance. This circuit breaker is suited for industrial and commercial applications requiring reliable overcurrent and short-circuit protection in three-phase electrical systems.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SACE Isomax
  • Type: S3N
  • Weight: 8 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: S3
  • Voltage Rating: 600V
  • Poles: 4
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 150A
  • 150A continuous current rating
  • 600V AC rated voltage
  • 14kA interrupting capacity at 600V AC
  • Fixed mounting type
  • UL 489 listed
  • CSA C22.2 approved
  • Compact molded case design
  • Designed for three-phase systems with neutral
  • Complies with IEC 60947-2 standards