AEE Dump Load Element for Water Heaters [RE-wrenches]

[Windy Dankoff]

Travis,

In general, mechanical switch contacts rated at 250VAC will handle same 
rated current at 60VDC (with equal arc potential).

When it's pulsing by PWM, the arc potential is much less than constant 
DC.

Windy

Travis wrote:
> One thing that I haven't figured out is what's going to happen to the
> existing T-stat when I run it on 48v (56v) and PWM that???


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