upgrade Lionel 6-34120

Since there were no answers, it looks like a trip to Radio Shack might be the best solution to protect the fragile electronics in my late model Lionel engines.

I've had TMCC since 1996, running off a 1949 ZW with no protection other than the internal one in the transformer.  Not a blown board yet!

Jon

I would like to reopen this question.  I would like to modify the 6-34120 Direct Lock-On to trip at 80W.  I am not worried about protecting the electronic circuits.  I am worried about protecting the plastic trucks from the heat generated by a derailment.  This was not a problem when all trucks were metal but with plastic I have had literal meltdowns by the time my ZW or KW circuit breaker trips.  I am using a ZW or KW to power my TMCC so the transformer in use is always set to maximum voltage.

MJA

I'd just go with a modern transformer.  I use the PH180 transformers, they trip in a flash with a quality electronic breaker.  FWIW, the TMCC Direct Lockon also kills the DCS signal, so if you run DCS, it's not a good choice.