1SDA116378R1

The ABB P3N 400 TMA 320-3200 4P F F InN=100% is a high-performance Moulded Case Circuit Breaker (MCCB) from the ABB SACE Formula DSP series, engineered for reliable protection and efficient power distribution in demanding electrical installations.

This 4-pole automatic circuit breaker features a thermomagnetic release and fixed front terminals, providing dependable protection against overload and short-circuit conditions. With a rated current of 320 A and an adjustable instantaneous short-circuit current setting of 1600–3200 A, it is designed for robust power distribution applications.

The breaker supports AC/DC current, with a rated operational voltage of 500 V AC / 250 V DC, rated insulation voltage of 750 V, and rated impulse withstand voltage of 8 kV. Its fully rated neutral configuration makes it suitable for applications where comprehensive four-pole circuit protection and isolation are required.

With 15,000 mechanical operating cycles and a maximum operating frequency of 240 cycles per hour, the ABB P3N provides durability and dependable long-term operation.