QDA221251

The Schneider Electric QDA221251 circuit breaker represents a key component in electrical distribution systems. Designed to handle a line rated current of 125 Amps, this device features two poles for versatile application in safeguarding electrical circuits. It incorporates an operating handle for straightforward control. The breaker complies with a breaking capacity code of D, achieving a breaking capacity of 25 kiloamperes (kA), which is crucial for interrupting fault currents effectively.

With a rated operational voltage of 240 Volts, this circuit breaker functions within a frequency spectrum of 50 to 60 Hertz, allowing it to adapt to various power systems. Notably, the rated impulse withstand voltage is rated at 8 kV, providing enhanced protection during transient voltage surges. The trip unit leverages thermal-magnetic technology, providing reliable operation under both overload and short-circuit conditions. In this configuration, the magnetic tripping current is set at 2400 A, while the magnetic hold current measures at 1200 A.

Furthermore, the continuous current rating is maintained at 80%, facilitating safe and efficient performance in extensive applications. The mounting mode is via an I-Line bracket, simplifying installation. The integration of the QDA221251 circuit breaker into electrical systems provides crucial safety and operational reliability.