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ABB T5N-3P-400A - Molded Case Circuit Breaker

ABB
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ABB T5N-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, housed within a compact T5 frame with a bolt-on connection for secure installation. The thermal-magnetic trip unit provides coordinated long-time and instantaneous (LI) protection, with an interrupting capacity of 25kA at 480V AC, ensuring compliance with relevant industry standards for electrical safety. This robust 10 lb device is engineered for integration into panelboards, switchboards, and industrial control panels where dependable circuit protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: T5
  • Poles: 3
  • Phase: 3
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 25kA @ 480V AC
  • Connection: Bolt-On
  • Weight: 10 lb
  • Family: SACE Tmax


Product Identification
  • Manufacturer Part Number: ABB T5N-3P-400A