The Eaton LS-11S-ZB is a key operated safety switch with normally closed (NC) and normally open (NO) contacts. This switch is designed to stop any motion when the key is removed and to prevent the machine from being started with the key still inside. The LS-11S-ZB features an adjustable cam that can be customized to fit various applications. It also has a sealing pin to lock-out the key and an indicator to check the position of the contacts. The LS-11S-ZB has a high-grade plastic housing, corrosion-resistant zinc die-cast parts and a stainless steel face plate. It is UL approved and C-UL recognized.