Part Number: RF4SYFF48VdcOP00000 Manufacturer: Arteche Part Series: RF4SYF RF4SY FF 48Vdc OP00000. FF range instantaneous relay with seismic characteristics, 4 changeover contacts, 48Vdc, no push to test button Available to Order Quantity × 1 Item added to your Quotation Basket RF4SYFF48VdcOP00000 Arteche Your Quotation Basket Items: 2