ER6022-SS Stainless Steel Rope Pull Switches Omron Industrial Automation ER6022-SS Stainless Steel Rope Pull Switches offer rope spans up to 100m. These rope pull emergency stop switches feature tension indicator to maintain the proper rope tension, optional indicator beacon, and vibration tolerant housing. The ER6022-SS switches also feature contact arrangements of 3 N/C + 1 N/O or 2 N/C + 2 N/O and optional E-stop button. These switches include 316 stainless steel cast housing and stainless steel hardware and are designed for a minimum of one million actuations.