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ABB S3N-3P-40A - Molded Case Circuit Breaker 40A 600V

ABB
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ABB S3N-3P-40A is a 3-pole molded case circuit breaker from the SACE Isomax family, designed for reliable power distribution protection with LI (Long-Time and Instantaneous) functions. This thermal-magnetic breaker is rated for 40A at up to 600VAC with an interrupting capacity of 25kA at 480V and 18kA at 600VAC, operating on a 3-phase system. It features a fixed mounting type with bolt-on load-side lugs, weighs 10 lb, and is built on the S3 frame. The breaker complies with IEC 60947-2 and UL 489 standards for safety and performance. It is suitable for industrial and commercial applications requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: SACE Isomax
  • Amperage: 40A
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Interrupt Rating: 18kA @ 600 VAC, 25kA @ 480V
  • Mounting Type: Fixed (panel/bus)
  • Trip Unit: Thermal-magnetic
  • Terminations: Bolt-on load-side lugs
  • Series/Frame: S3N (SACE S3 frame)
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 10 lb
  • Certifications: IEC 60947-2, UL 489