The AIRPAX/SENSATA 209 series hydraulic magnetic circuit protectors offer a compact, single or multi-pole solution for power switching and circuit protection. Designed for branch circuit applications, these breakers adapt to local environments and minimize nuisance tripping due to temperature variations. They withstand high pulses without derating protection and are available with various configurations and terminal styles to meet diverse application needs. The 249 Power Selector Breaker System allows selection of multiple power systems, enhancing flexibility and reliability.