Key operated switch for secure on/off control of rolling shutter doors Benefits: enables authorized operation only, improving security and reducing accidental openings Durability: mechanical life up to 10,000 cycles; robust construction for daily use Compatibility: designed for standard control circuits and most shutter door controllers; straightforward wiring Size and installation: compact footprint fits typical control panels; easy mounting and wiring Materials and performance: built for durability in storefront, workshop, and warehouse environments; reliable operation over time Use scenarios Retail storefront after hours: staff use the key to secure the shutter when closing Garage or workshop: authorized crew open or close the shutter during shifts Warehouse or loading dock: restrict door operation to trained personnel for safety