Check the listing for details. Phase Linear 700, 5000, 700B Rotary Switch Power on off NEW. Condition: New. Listed at 75.00 USD. This is a new rotary power, on / off, switch for the Phase Linear 700, 5000, 700B.It is the same case from the same manufacturer.The original is a single pull, single throw design. This is a double pull, double throw design, basically 2 switches in one. When the first set of contacts fail, move the wires to the second set and you're good to go.I have posted a video showing the replacement process and which terminals to use (they are color labeled on each switch). https://www.youtube.com/watch?v=aUP1b7THrt4 Or do a search on YouTube for:Phase Linear 700 Power Switch Replace ** THE MOUNTING HOLE DIAMETER IS SLIGHTLY LARGER (original .345", replacement .375", manufacturer switched from metric to imperial), YOU WILL NEED TO DRILL OUT THE MOUNTING HOLE TO 25/64". This is shown in the video. You can also bring (or ship) your unit to us and we can replace the switch.