The IDEC HW1S-4TF12 selector switch is a robust control device featuring a 4-position knob with maintained operation. It includes 1 Normally Open (NO) and 2 Normally Closed (NC) contacts, suitable for various industrial applications. The switch is designed with a durable plastic bezel and is part of the reliable 22mm HW series. Its maintained functionality ensures stable and consistent performance in controlling machinery or processes.