KEDU KJD17B/120V 16A 4Pins Industrial Electromagnetic Switch Emergency Stop Push Button Switch ON Off Pushbutton Switches with Power Outage and Undervoltage Protection (120V): Amazon.com: Tools & Home Improvement
KEDU KJD17B-16 5Pins Industrial Electromagnetic Switch Emergency Stop Push Button Switch ON Off Pushbutton Switches with Power Outage and Undervoltage Protection AC 250V 16A(KJD17B-16/5Pins/250V): Amazon.com: Industrial & Scientific