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ABB T5S-3P-400A - Molded Case Circuit Breaker 400A 600V

ABB
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ABB T5S-3P-400A is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed with a T5 frame size, utilizes a three-pole bolt-on connection, and is rated for an interrupting capacity of 35kA at 480V AC. It is engineered to meet relevant industry standards for safety and performance, making it suitable for installation in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: T5
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3
  • Functions: LI (Long-Time and Instantaneous)
  • Family: SACE Tmax
  • Item Subcategory: Molded Case
  • Weight: 10 lb