Amazon.com: DC contactor DC Contactor SDC15-200A QCC15-200A Starter Power Relay 12V 24V 36V 48V 60V 72V 120V for Car Electric Forklift Trucks (Color : Coli Voltage 60VDC) : Industrial & Scientific
Amazon.com: 48v Relay
Amazon.com: 48v Relay
Amazon.com: uxcell JD-2912 5 Pin DC 48V 40A Universal Car Vehicle Motor Fuse Relay Switch Power with Harness : Automotive
Amazon.com: AGOUNOD Multi Purpose Relay 1PCS LED MY4 General Purpose Relay 4pdt,14pins Relais AC/DC 12V 24V 36V 48V 110V 220V 380V MY4NJ Relay Switch (Current Range : AC, Size : 48V) :