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What does the suffix SS mean on the MPZ mini powerzone transformer part numbers? Example MPZ3S40FSS.

Issue:
What does the suffix SS mean on the MPZ mini powerzone transformer part numbers? Example  MPZ3S40FSS.

Product Line: 
LV Transformers

Environment: 
Mini Power Zone

Cause:
Specifications for MPZ products sometimes require stainless steel enclosures

Resolution: 
The suffix SS designates Stainless Steel. This does not indicate the MPZ is N4X rated.It just has a stainless steel enclosure.
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