The Siemens 5ST3020 auxiliary switch is a compact and reliable component designed to indicate the status of circuit breakers. It is commonly used in electrical panels to enhance monitoring and control capabilities. The auxiliary switch makes it easier to integrate additional switching functions into existing systems.\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nSiemens 5ST3020 Auxiliary Switch 1S+1NC for LS-switch 5SL 5SY 5SP FI/LS\n\nProduct Details\n\nThe Siemens 5ST3020 auxiliary switch is a compact and reliable component designed to indicate the status of circuit breakers. It is commonly used in electrical panels to enhance monitoring and control capabilities. The auxiliary switch makes it easier to integrate additional switching functions into existing systems. \n\nNameValueRated v;