1SDA116380R1

The ABB P3S 400 TMA 320-3200 3P F F is a high-performance Moulded Case Circuit Breaker (MCCB) from the ABB SACE Formula DSP series, designed for dependable protection and power distribution in industrial and commercial electrical systems.

This 3-pole MCCB features a TMA thermomagnetic release and fixed front terminals, providing reliable protection against overload and short-circuit conditions. With a 320 A rated current and an adjustable thermal setting range of 224–320 A, the breaker offers flexibility for different load and protection requirements.

The breaker provides an instantaneous short-circuit setting of 1600–3200 A and supports both AC and DC applications. Its rated voltage is 500 V AC / 250 V DC, while the rated insulation voltage is 750 V and the rated impulse withstand voltage is 8 kV.

With a 400 A rated uninterrupted current, 15,000-cycle mechanical durability, and an operating capability of up to 240 cycles per hour, the ABB P3S 400 is designed for reliable and long-term operation in demanding power distribution applications.