The FB1W-XW1E-BV504MR is an enclosure box emergency-stop station designed for industrial safety applications requiring reliable emergency shutdown capability. It features up to 4 normally closed (NC) contacts with multiple operator options including push-lock turn, push-pull, and push-lock key reset mechanisms, available with 29, 40, and 60 mm mushroom head sizes. The station supports illuminated operation at 24V AC/DC, is constructed with a polycarbonate enclosure cover and base with stainless steel screws, and is rated IP65 and NEMA Type 4X for protection in harsh industrial environments. This configuration makes it suitable for machine safety systems, emergency shutdown circuits, and hazardous location applications where reliable de-energization and environmental protection are critical.