well I am replacing all the Chinese crap relays in installed in my comet. did some real digging and found some industrial relays. I will post soon on how they work. they are 70amp capable, have posts, and are fused.
the relays I am going to use. 12v coil 70amp dual post relays... 1 in post 2 out relay: 37702-1AN0022 cooper busseman. m8 and m6 studs. fuses: 0495040 40 amp cartridge Style Fuse Green JCase FMX 32V pins: A105220CT-ND CONN SOCKET 15-18AWG TIN connector: A106529-ND CONN PLUG 2POS 1.5 SERIES BLACK
updated information: they work awesome.... relay: 37702-1AN0022 cooper busseman. m8 and m6 studs. fuses: 0495040 40 amp cartridge Style Fuse Green JCase FMX 32V pins: 282403-1 CONN MINI MIC SOCKET 22-20AWG connector: 282080-1 CONN PLUG 2POS 1.5 SERIES BLACK
I like the weatherpack GM style ones I get them from the junkyard out of 90's GM cars. They have an O-ring between the relay and connector. I did burn one up running the high speed on my taurus fan, I just run the low speed now and everything is fine. You can usually get a bracket for them off the donor car as well. Here is a pic of them installed in my LS swapped 55 chevy (this was during install its a little more cleaned up now)
I do like the ones you have mentioned, they do only seem to be twice as much as a standard style relay depending on where you get it and a lot of times they dont come with a connector. I know the ones I use when they are new are about the same price
Another alternative. US made. I'm using this for my Taurus fan. http://leashelectronics.com/Dual-70-Amp-Relay-Board-D70RB.htm Micah
Ok the relays might be Japanese. Probably none are made in the US anymore. The unit is assembled in the US.