These relays are used in many 3d printers including the Creatbot F430, D600 & PEEK300.
Usually they are used for the Bed heater or the Chamber heater.
Please select which relay you want from the list.
The triger voltage is 3-32V DC.
Please pick the correct type. Be sure before you install it. Relays blow instantly if you get the trigger voltage wrong, or connect the wrong end into the wrong point.