14 Dry-Type Transformers
CHAIR
Mr. Thomas Patzner
Schneider Electric
6700 Tower Cir Ste 700
Franklin, TN 37067

USA
Phone: 615-844-8536
Email: thomas.patzner@schneider-electric.com
SECRETARY
Mr. Paul Orr
NEMA
1300 North 17th Street, Suite 1752
Rosslyn VA 22209
USA
Phone: 703-841-3227
Fax: 703-841-3327
Email: pau_orr@nema.org
SCOPE Applies to Power and General-purpose Transformers, Dry Type, UL 1561. The harmonized standards will have revised/harmonized requirements on the voltage split level and the ability for alcove testing for heat runs. Alcove testing allows manufacturer minimum ventilation clearances via testing.STANDARDS
UL 1561
C22.2 No. 47
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