This Harmony XALK yellow (RAL1021) control station is ideal for a clearly visible emergency shutdown of any machine.::This yellow control station enables machine builders to easily add control and signalling functionality on their machines, with permanent modifications or damage to their machine body.::It is designed for simple and mass production machines, textiles, packaging, handling small lifting systems, control of garage doors, rolling shutters, smoke extraction vents.::It offers emergency stop and emergency switching off functions.::It is impact resistant, dust resistant, water resistant, corrosion resistant, and vibration resistant thanks to its IP69 / IP67 / IP66 / IP69K, making it ideal for operation in harsh environments.