what are these components?
Hi This is a picture of the progressive industries surge suppressor. Does anyone know what these items are?
Forum Discussion
Here's my own Progressive EMS-HW30C ...
Circuit board at top left contains MOVs used for surge protection, circuit board to the top right controls all the other functions, including the contactor which is in the middle, with the current sensor wrapped around the output cable.
This closeup view shows the blue trim pot at the top left used for calibrating the unit and at the top right is where the time delay jumper would normally be located, with delay set to 15" with the jumper in place, 136" with the jumper removed. I've removed the jumper in mine and wired a SPST switch to the jumper receptacle contacts so I can instantly switch delay without having to open the box.
And here's the small delay jumper I removed ...
Circuit board at top left contains MOVs used for surge protection, circuit board to the top right controls all the other functions, including the contactor which is in the middle, with the current sensor wrapped around the output cable.
This closeup view shows the blue trim pot at the top left used for calibrating the unit and at the top right is where the time delay jumper would normally be located, with delay set to 15" with the jumper in place, 136" with the jumper removed. I've removed the jumper in mine and wired a SPST switch to the jumper receptacle contacts so I can instantly switch delay without having to open the box.
And here's the small delay jumper I removed ...
