SH-CL57 Driver for the nema17, nema23, nema24 close loop stepper motorModel: SH-CL57Voltage: 36VCurrent: 4AWarranty time: 1 yearTechnical Specifications / Features:Compatible with Nema17, Nema23, Nema24 closed-loop stepper motorsInput Voltage: 36VOutput Current: 4AWarranty: 1 year