[EVDL] Contactor recomendations?

[John Lussmyer via EV]

One of the contactors in my truck is failing.  It's one of the white 
ones (LEV200 I think).
These don't seem to last more than a year or two in my truck.
I run a 350v pack, and limit battery draw to 600A - and rarely pull that 
much.

Any suggestions for a more reliable unit?
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