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ABB S3N020TW - Molded Case Circuit Breaker 20A 600V 3-Pole

ABB
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ABB S3N020TW is a 3-pole molded case circuit breaker from the SACE Isomax family, designed for thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 600V and 20A, with an interrupting capacity of 25kA at 480V, suitable for 3-phase systems. The unit weighs 10 lb and features a bolt-on connection within an S3 frame size, ensuring secure installation in panelboards and switchgear. It complies with UL, CSA, and IEC standards for reliable performance in commercial and industrial environments. This breaker is typically applied in distribution systems requiring dependable overcurrent protection for branch circuits and equipment.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SACE Isomax
  • Type: S3N
  • Weight: 10 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: S3
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 20A
  • Part Number: S3N020TW
  • Mounting Type: Bolt-On
  • Interrupt Rating: 25kA AIC @ 480V
  • Series/Frame: S3 Series
  • Tripping Unit: Thermal-Magnetic
  • Certifications: UL, CSA, IEC
  • Application: Commercial, Industrial


Part Number: S3N020TW