Prior to May 28, 2007 production, the power assemblies of the above models were manufactured with a yellow dichromate coating for corrosion protection. While the Cr+6 in the coating is within acceptable levels for compliance with the Restriction of Hazardous Substances (RoHS) international directive, Emerson has elected to change to a plating process completely free of Cr+6.
On May 28, 2007, production will change from the yellow dichromate coating to a silver-blue zinc plating. This plating is also in compliance with RoHS.
This change will not affect the fit, form, or function of the models, including corrosion protection. The change is detectable by the visual appearance difference noted.
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