The STI SS2470EM-EN from Safety Technology International is a key-to-reset stopper station designed for indoor and outdoor use, featuring a blue surface for clear visibility. It includes a raised EMERGENCY label and a Key-to-Reset push button for reliable operation. The station supports interchangeable or replaceable N.O. or N.C., SPST gold-plated contacts rated for 3 amps at 600 VAC or 1 amp at 250 VDC, with the standard switch holding one N.O. and one N.C. contact, expandable to three isolated contacts. A protective cover prevents damage and accidental activation, and the unit is UL/cUL Listed and ADA Compliant, ensuring safety and regulatory adherence.