There is an important difference. The built in aux contacts follow the *actual* state of the contactor. If a contactor happens to weld on and you are using a relay to "follow" the contactor state the system will happily turn the only contactor on.
1 - 1 of 7 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to DIY electric car owners and enthusiasts. Come join the discussion about electric vehicle conversions, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!