Brand: XINWEI Model: XW-36/48-12-300W Module nature: Non-isolated BUCK Input voltage: DC 30V-60V Output voltage: DC 12V Output current: 25A Long term working within 20A Output power: 300W Conversion efficiency: >93% Ripple: 40mV Low power consumption 20MA Working temperature: -40°C ~ +85°C Installation line length: 13-14cm Waterproof: rating IP67 Shell size (L*W*H): 74*74*32mm Weight: 260g Features: DC 36V/48V to 12V step-down converter Die-cast aluminum shell natural heat dissipation Built-in over/under voltage input, overload, overhead, and short circuit full protection