ITEM NAME:DC to AC Solid State Relay SSR-25DA 25A 3-32V 24-380V + Aluminum Heat Sink A1X7 DC to AC Solid State Relay SSR-25DA 25A 3-32V 24-380V + Aluminum Heat Sink A1X7 Product Name : Solid State Relay + Heat Sink;Model No. : SSR-25 DA Material : Metal, Aluminum, Plastic;Load Current : 25A Load Voltage : 24-380V AC;Control Voltage : 3-32V DC Total Size (Approx.) : 126 x 70 x 52mm / 5.0" x 2.8" x 2.0" (L*W*H);Weight : 314g Single Phase Solid State Relay with aluminum heat sink design, which will provide excellent heat dissipation. It is a must component for temperature controller, heater, small oven and more. A LED can indicate the operation of device. Package Content : 1 x Solid State Relay + Heat Sink Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.