SSF215XPM12 is an externally mounted float switch designed for liquid level detection in tanks with extended reach capability. It features a 1/2"NPT thread for external mounting through tank walls without requiring internal access, with stainless steel 316 float and SS 304 stem materials for corrosion resistance. The switch offers M12 plug connection, selectable N/O or N/C switching action by 180° rotation, and operates at maximum temperature of 120°C and maximum pressure of 10 bar. With a maximum switching power of 50 VA at 300V AC/DC and 0.5A current rating, it is suitable for industrial tank monitoring, level control systems, and process automation applications requiring reliable and durable liquid level sensing.