Contact B2B Inquiry Request a Quote Send model numbers, quantity, target price, or project notes. ChainXcel will match the product and reply with availability and quotation details. Product / Model ListSiemens SIRIUS ACT 3SU Commanding & Signaling Devices 3SU1 G/180918 G180820 3SU1 G/180918 G180820 Quantity Your Name Email Company WhatsApp / Phone Message Submit RFQ WhatsApp Sales