The AIRPAX / SENSATA 229-4-1864-20 is a hydraulic magnetic circuit protector within the 209 series, offering a compact and reliable solution for power switching and circuit protection. Ideal for applications like EDP, air conditioners, panel boards, and lighting controls, this circuit breaker utilizes the hydraulic-magnetic principle to adapt to various environments. Its inertial delay feature minimizes nuisance tripping caused by temperature variations and inrush currents. The protector is designed to withstand high pulses without compromising protection, making it suitable for a wide range of industrial and commercial applications.