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Standard 1741, Edition 2

Subject 1741

UL CSDS Proposal
Standard 1741, Edition 2 Edition Date: May 27, 2010
Summary of Topics b1741_2_20100527_sum.html

Subject 1741

Bulletin Dated: May 27, 2010

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources, UL 1741, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Additional Requirements for Non-Isolated EPS Interactive PV Inverters Rated Less Than 30 Kva.

2. For Preliminary Review Only: Additional Values for the Spacings Table 24.1 to be Used for Products with Operating Voltages Over 600 V.

3. For Preliminary Review Only: Revisions to Paragraph 25.4 to Allow for Reduction in Overvoltage and Pollution Degree for Certain Installation Locations.

4. For Preliminary Review Only: Additional Requirements for Products with Liquid Cooling Systems.

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