CW4B-M1E10R Idec IDEC CW Series Push Button, Panel Mount, 1NO. The CW Series from Idec features stylish, compact and space saving switches and pilot devices. The inventive two-step locking lever integrated with a guard provides a higher level of safety and the low projection from the panel surface reduces the possibility of unexpected activation or operator damage. The shortest depth behind the panel in its class contributes to reducing machine and control panel size.