The Siemens HF227NR HEAVY-DUTY FUSIBLE SAFETY SWITCH, TYPE 3R, 800A is a sensor/switch from Siemens. It senses object presence, distance, or position (or switches an electrical circuit) and converts that into an output signal for machine control or monitoring. Key specifications noted on this listing include 800A. It is commonly in packaging machinery, material handling, and automated inspection systems.
