Our broad range of 30 mm (Command 52/BlackMax) pilot devices have long been relied on by America's leading industrial manufacturers, OEMs and end users. Special attention has to be paid to the interaction between man and machine. Siemens has a wide range of pilot lights, pushbuttons units, E-STOPs, custom enclosures and selector switches. With Siemens commanding and signaling devices, you can be confident in being able to handle every situation.