The IDEC HW1S-33TF20 selector switch is a versatile control device with a 3-position knob and spring return mechanism. It features two normally open (2NO) contacts and accommodates ring, fork, ferrule terminals, as well as bare wires for flexible connection options. This switch is part of the HW series and comes with a durable plastic bezel. It meets stringent safety standards including EN418 for emergency stops, ensuring positive action in critical situations. Additionally, it is UL listed, CSA certified, TUV approved, and CE marked, signifying its compliance with international quality and safety regulations.