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UL 1077

UL 1077 Supplementary Protectors for Use in Electrical Equipment

standard by Underwriters Laboratories, 06/03/1999

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1.1 These requirements apply to supplementary protectors intended for use as overcurrent, or over- or under-voltage protection within an appliance or otherelectrical equipment where branch circuit overcurrent protection is already provided, or is not required. Compliance with the following is acceptable for use as acomponent of an end product.
1.2 The acceptability of a protector in any particular application depends upon its ability to be used continuously under the conditions that prevail in actual service.Accordingly, for a particular application a protector may be affected by the requirements for the equipment it is used in, and it may be necessary to additionallyevaluate features or performance characteristics that are not specified in this Standard.
1.3 This Standard also covers accessory devices that may be installed in or on the protector to perform a secondary function. Examples of accessories are alarm andauxiliary switches.
1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this Standard,and that involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements todetermine that the level of safety as originally anticipated by the intent of this Standard is maintained. A product whose features, characteristics, components,materials, or systems conflict with specific requirements or provisions of this Standard shall not be judged to comply with this Standard. Where appropriate, revisionof requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this Standard. .

 
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