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Ryland · 11-28-11, 10:33 PM

Those look to be pretty impressive.
I've never seen Solid State Relays that were rated for that amperage that were DC, reason being, a lot of the AC only SSR's specs seem to say that they turn on or off mid sign wave, when the voltage is at -0-, I even have one that is rated at 80 amps, 240v AC.
The spec's that they list are a little confusing and the fact that they come with a big heat sink I have to wonder how long it really will last, but if it's used in a situation where it's over sized it should be fine, right?

11-28-11, 10:33 PM	#2
Ryland Master EcoRenovator Join Date: Mar 2009 Location: Western Wisconsin. Posts: 913 Thanks: 127 Thanked 82 Times in 71 Posts	Those look to be pretty impressive. I've never seen Solid State Relays that were rated for that amperage that were DC, reason being, a lot of the AC only SSR's specs seem to say that they turn on or off mid sign wave, when the voltage is at -0-, I even have one that is rated at 80 amps, 240v AC. The spec's that they list are a little confusing and the fact that they come with a big heat sink I have to wonder how long it really will last, but if it's used in a situation where it's over sized it should be fine, right?