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Offline mbarreto  
#1 Posted : 16 December 2022 20:53:02(UTC)
mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,265
Hello,

I don't know exactly what are the differences between the 3 transformers 6647, 66470 and 66471,
except, from what I see, 66471 differs from 66470 just in the on/off switch in the cable.
What are the other differences?

Regards,
Miguel

Edited by user 17 December 2022 09:55:23(UTC)  | Reason: Not specified

Best regards,
Miguel
Mostly Märklin H0.


Offline H0  
#2 Posted : 19 December 2022 11:02:21(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,262
Location: DE-NW
Hi!
I'm not sure, but I think 66470 introduced protection against reverse transformation.
Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
UserPostedImage
thanks 1 user liked this useful post by H0
Offline mbarreto  
#3 Posted : 19 December 2022 12:49:30(UTC)
mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,265
Originally Posted by: H0 Go to Quoted Post
Hi!
I'm not sure, but I think 66470 introduced protection against reverse transformation.


Hi,
Thanks. That's a good feature (in case that is the difference) although not so important to justify spend more money.
I also don't like the on/off switch in the 66471, so I will decide for the cheaper between the 6647 and 66470.



Best regards,
Miguel
Mostly Märklin H0.


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