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 SENTRON 3VA Molded Case Circuit Breakers 3VA2780-1AB23-4BB1-Z K50K51K53K54 3VA2780-1AB23-4BB1-Z K50K51K53K54 Quantity Your Name Email Company WhatsApp / Phone Message Submit RFQ WhatsApp Sales