Spire RackSper III. Rated current: 0.28 A, Power consumption (typical): 3.36 W, Voltage: 12 V. Operating temperature range (T-T): -10 - 70 °C, Storage temperature range (T-T): -40 - 70 °C. Weight: 380 g, Heatsink dimensions (W x D x H): 83 x 60 x 15.5 mm. Mean time between failures (MTBF): 50000 h. Package weight: 465 g