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What is the difference between a small and a large enclosure for a starter to pick thermal units?

Issue:
Small and large enclosure difference when selecting thermal units for Type S Starters.

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
NEMA Type S Motor Starters

Resolution:
``Small enclosures`` refers to standard Square D enclosures for non-combination type full voltage non-reversing starters with no control power transformers. Everything else, except MCC`s, are considered ``large enclosures``. For MCC`s, refer to Seneca TAG.

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