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UL 60065 - SEVENTH EDITION

(Sub) CLAUSE / ANNEX NUMBER:

4.3.6

(Sub) CLAUSE / ANNEX HEADING:

Fault Conditions

OTHER RELEVANT (Sub) CLAUSES / ANNEXES (as applicable):

11

DESCRIPTION OF ISSUE:

Clarification of the meaning of the first paragraph of Clause 4.3.6, which reads:
Motors are stalled if this is possible during the use of the apparatus by internal or external influences.

APPLICATION GUIDELINE:

The above clause is intended to cover motors that are located in hazardous AC or DC circuits and can cause a fire or electric shock hazard under fault conditions. Motors supplied by a circuit not exceeding 35 V peak and not generating voltages above this value where the current that may be drawn for more than two minutes at any load is limited to less than 0.2 A are not required to be stalled.

RATIONALE:

The above is considered a clarification of the requirements.

OTHER:

None.

SEE RELATED PAG:

None

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