Red Sign Emergency Stop Push Button Switch Internal seal for extended lifespan Press/Push to cut off power NC and NO circuit breakers fitted internally Turn to release Benefits Ready to mount ports and simple to wire, fast and easy to install and maintain Switches are protected against penetration of solids, dust and liquids Designed for use in low voltage electrical circuits, both for AC and DC applications Mechanical lifespan: 300,000 operations or more Electrical lifespan: 50,000 operations or more Size(L x W x H): 66 mm x 66 mm x 55mm/ 2.59" x 2.59" x 2.1" Used extensively as a safety requirement in machinery and plant to safely and quickly shut down at multiple points. We pride ourselves on our after sales service as reflected in our feedback and welcome any questions.