Sertec is a stocking location of the ABB type 51D Relay, Catalog Number: 223T6340. We are also setup to recondition, repair, and re-calibrate your existing type 51D Relay. All ABB type 51D Relay comes with a full one year warranty.
Please send us an email inquiry at sertec@cbsalesne.com or call us 24/7. Call 203-888-7500!