Mean Well MDR-40-24 Power Supply, DIN-Rail, 24 V, 1.7 Amp, 40.8 W, 3.9" x 1.6" x 3.5" Size. Output current (a) - 1.7. Input voltage (vac) - 85 to 264. Primary output voltage (vdc) - 24. Mean Well MDR-40-24 Power Supply, DIN-Rail, 24 V, 1.7 Amp, 40.8 W, 3.9" x 1.6" x 3.5" Size. Unit Count : Power Supply.