Siemens Optocoupler, Max. Forward 24 V, Max. Input 25 mA, 83.5mm Length, DIN Rail Mounting Style. Minimum Operating Temperature: -25°C. Maximum Operating Temperature: +60°C. Width: 22.5mm. Depth: 38mm. Operating Temperature Range: -25 → +60 °C. CAD Drawing: 3D CAD Model. Dimensions: 83.5 x 22.5 x 38 mm. MPN: 3RF2900-0EA18