22mm YW Series Control Units (07/12/13) Innovative Design, Space-Saving, Safety, and Self-Cleaning Contacts Emergency Stop Switches Satisfy International Standards Safety Lock Mechanism When the emergency stop signal has been generated during actuation of the emergency stop device, the emergency stop function shall be maintained until the emergency stop device is reset (disengaged) (IEC 60947-5-5, 6.2). Direct Opening Action Even if the contacts are welded, NC contacts are forced to open and break the circuit (compliant to IEC 60947-5-1, Annex K, IEC 60947-5-5, 5.2). Safe Pushbutton Design The pushbutton is designed to ensure that an object cannot become Non-illuminated Illuminated trapped between the mushroom button and the panel, disabling the button operation. In addition, the pushbutton is designed to prevent removal from the front of the panel (IEC 60947-5-5, 6.3.2). Easy Operation Unlatching by pulling Unlatching by turning Push-to-lock, Pull/Turn-to-release YW emergency stop switches can be unlatched by either pulling or turning the operator. Unibody Pilot Lights Higher Brightness The new unibody pilot light achieves high brightness. Short Depth behind the Panel Dome Unibody type measures only 42mm depth behind the panel. Four Lens Shapes Flush, flush with marking, extended, and dome. Extended Panel Mounting Unibody pilot lights can be mounted on panels simply by tightening the locking ring. Flush w/marking Flush Key Selector Switches A variety of operations, key removal positions, and circuits. Wide range adds more options to choose from. Plastic Bezel Metal Bezel (07/12/13) 2