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ABB T5N400 - MCCB 400A 3-Pole 600V (TMA Trip)

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ABB T5N400 is a 400 amp, 3-pole molded case circuit breaker from the SACE Tmax T5N series, engineered for fixed mounting applications to provide primary overcurrent and short-circuit protection in electrical distribution systems. It operates at 600 VAC with a high interrupt rating of up to 70 kA at maximum voltage, ensuring reliable performance under demanding conditions. The unit features a thermomagnetic trip unit (TMA) and weighs 5.19 lb, with a compact design suited for industrial environments. It is UL and CSA certified for safety and compliance with North American standards. This breaker is ideal for industrial and commercial power distribution systems requiring robust circuit protection.

Key Features & Specifications
  • Brand: ABB
  • Series: SACE Tmax T5N
  • Current Rating: 400A
  • Number of Poles: 3
  • Voltage Rating: 600 VAC (up to 690V AC operational)
  • Interrupt Rating: 25 kAIC @ 480V, up to 70 kA max breaking capacity
  • Mounting Type: Fixed
  • Trip Unit: Thermomagnetic (TMA)
  • Certifications: UL, CSA
  • Frame Type: T5
  • Country of Origin: Italy
  • Weight: 5.19 lb