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For practically the same money, you might want to look at 6353EL-B inlet and 6364CRN cordset female connector plug. The inlet has an additional cover strain relief threads to take it off the connectors.

I went with ss2-50r (or ss2-50p for male). It is used for RVs and boats and it is 50A rated. It can be pricey but if you look out, you might find a deal.

You don't use it. It is used for 120v. Also, two separate 120v outlets might still be on the same pole. It would still yield 120v. I would make sure that they were linked circuits for safety reasons. If one breaker trips and not the other, you might presume it is safe because the power...

Thank you all for your input. It looks like they will be implementing something like this in the Brewtroller platform so all the switching will happen on the software side. My doctor can now sleep soundly... for now;)

Here is another revision that would allow me to put the PID in manual mode, flip a DPDT switch, and dump ALL the off duty cycles from the Kettle and the HLT. This would save the HLT PID from analyzing bad data since it expects the heater to be running when it is actually bypassed.

Ignore this post, next schematic better.

If one of the issues is the PID cannot handle this much current, then I could add one more SSR and use that to control a higher current source like in this pic. This way, the PID is only seeing one SSR and the 12v source can be supplied with more current or voltage. Edit: added a diode to...

I am trying to make amperage available to the HLT element when the other controllers are on an off duty cycle. When both the HERMS PID and Kettle PID are signaling on duty cycle, the 12v will reach the third, normally closed relay. This will in turn open the circuit and shut off the HLT...

OK, so here's the final plan, I hope. I found delays that run off the signal voltage. I also found 12v SSRs that consume next to no current. Finally I found a normally closed reed relay. This is what it looks like and if anyone can find fault with the setup please let me know.

I thought that ssr input and the PID output were variable and proportional. If that's not the case then I just need to use two 3-32V SSRs, a 24v ssr and three delays. Is that correct?

Schematic updated for clarity.

I'm not following you. The Auber instruments PID I'm going to use has the 3-32VDC outs. 17.5V DC is the PID signal voltage I want to trigger the relays to open the HLT NC relay.

This illustrates what I had in mind. Any faults in my plan. I don't know what to use for the 17.5v SSR. That is the voltage that I'd like it to kick in at, approx 50% power per element.

I am trying to power three 5500 watt elements (HLT, external HERMS, BK) from a 220V 50A supply. I'd like to set up a circuit to interrupt the HLT element when the HERMS and BK kettles fire up. I'd like to put a short delay between the PIDs and the SSRs to allow the circuit to cycle before all...

I'd source the lid before cutting the keg. You want to make sure the lid will not be too small for the hole and make sure that the lid will fit inside the handle rim before you cut the keg. Mine fit with about a quarter inch to spare between the handle and lid and the hole was a nice fit. I...

Do you not know someone with a plasma cutter? I just finished cutting out my keggle tops with a circle cutting jig and they came out a real good fit. This was quite a relief as planning for the diameter of the hole can be a little nerve racking considering all the offset measuring involved...