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ABB T5HD-4P-400A - Molded Case Circuit Breaker, 400A 4P

ABB
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ABB T5HD-4P-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 within a T5 frame with a bolt-on connection for secure installation and delivers an interrupting capacity of 65kA at 480V AC. This unit complies with relevant industry standards for safety and performance, making it suitable for use 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: 4
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA @ 480V AC
  • Phase: 3
  • Family: SACE Tmax
  • Weight: 10 lb