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UL 1004-7
New product
UL 1004-7 Standard for Electronically Protected Motors
standard by Underwriters Laboratories, 07/13/2012
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Full Description
Please note: All interim revisions for this edition available at time of your purchase will be included.UL 1004-7 is intended to be read together with the Standard for Rotating Electrical Machines - General Requirements, UL 1004-1. The numbering of the Sections in this Standard corresponds to the like numbered Sections in UL 1004-1. The numbering of the paragraphs are unique to this Standard, and do not directly correspond to the like numbered paragraphs in UL 1004-1. The requirements in this Standard supplement or amend the requirements in UL 1004-1. The requirements of UL 1004-1 apply unless modified by this Standard. For Sections not shown, refer to the Standard for Rotating Electrical Machines - General Requirements, UL 1004-1.
Motors covered by this Standard, whose overheating protection is provided by an electronic circuit, shall additionally comply with the requirements contained in the Standard for Thermally Protected Motors, UL 1004-3, with regard to Construction, Performance, Manufacturing and Production Tests, Markings, and Instructions unless modified by this Standard.
This Standard applies to motors that rely upon an electronic circuit to prevent overheating of the motor.
The requirements in this Standard are intended to evaluate a specific motor/electronic protector combination. When the motor, the electronic protector, or the motor/electronic protector combination is changed, the combination shall be reevaluated.
The requirements in this Standard do not cover sealed (hermetic) type compressor motors.
This Standard does not apply to motors that comply with the Standard for Impedance Protected Motors, UL 1004-2, or the Standard for Thermally Protected Motors, UL 1004-3, independent of the electronic circuit.