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ABB S5N-3P-400A-NA - Molded Case Switch 400A 600V (Non-Automatic)

ABB
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ABB S5N-3P-400A-NA is a 3-pole, 400 amp molded case circuit breaker from the SACE Isomax family, designed as a non-automatic switch for power distribution systems requiring manual control without overcurrent protection. It is rated for 600V AC with a high interrupting capacity of 35kA at 480V AC, ensuring robust fault current handling in industrial environments. The unit features a bolt-on connection for secure panel mounting, weighs 12 lb, and is built on an S5 frame size for compact installation. This breaker complies with industry standards for molded case switches, providing reliable isolation and switching in three-phase applications. Typical uses include main disconnect switches, feeder control, and backup protection in commercial and industrial power systems where automatic trip functions are not required.

Key Features & Specifications
  • Manufacturer: ABB
  • Family: SACE Isomax
  • Type: S5N
  • Item Subcategory: Molded Case
  • Frame Size: S5
  • Poles: 3
  • Phase: 3
  • Current Rating: 400A
  • Voltage Rating: 600V
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Protection: Non-Automatic
  • Functions: NA - No Overcurrent Protection
  • Weight: 12 lb