Electric Rig Wiring help needed.. any E.E.'s out there?

[CodeRage]

Be careful on picking a switch, contactor or relay as inductive load ratings are different than resitive loads when switching or controlling your brewing system. By this the size of the contacts and their maximum rating like SSR's or SSRD's if your thinking properly the 75% maximum rule allows for a longer electronic component equipment life.

Inductive load ratings have more to do with the gap between contacts and not the actual current rating. When the contactor is opened it allows the field in an inductive load to collapse with no load. So the voltage spikes, commonly called an inductive kick. If the contacts are too close together it will arc across and over time will destroy them.
So it is perfectly okay to go by the inductive load rating for a resistive load.
Inductive demons tend to show their heads when you use a resistive load rating for inductive devices.

The 75% load rule never hurts .

 

[ScubaSteve]

Subscribed. This thread has a goldmine of information, thanks to everyone for their input!