The IDEC HW1K-3AF20 is a 3-position key selector switch with a maintained operation and the capability for the key to be removed in all positions. It features two normally open (NO) contacts and is designed for 22mm mounting. This switch includes finger-safe (IP20) screw terminals that accept ring, fork, ferrule terminals, and bare wires. It meets stringent safety standards including EN418 compliance for emergency stops, UL listing, CSA certification, TUV approval, and CE marking. Additionally, it offers super bright LED illumination for clear visibility.