What Code is Maerklin Z gauge rail?

I've checked websites, but cannot find what code Maerklin Z gauge rail is.

I'm thinking of using the Aspen mixed N/Nn3 rail, and would like to know which rail height option to go for.
:confused:
 

Triplex

Active Member
I think it's Code 55 - hugely oversize. Even Code 40 in Z would be the same scale size as Code 55 in N or Code 100 in HO.
 
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