STANDARD FOR SAFETY Toy Transformers

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基本信息

标准简介

UL 697 STANDARD FOR SAFETY Toy TransformersScope1.1These requirements cover toy transformers designed to be used on nominal 120-V branch circuits.Atoy transformer is a step-down isolating transformer of the low-secondary-voltage type. It is intendedprimarily to supply current to electrically operated toys, and as such is expected to be subjected tocareless use and probable short circuit of the secondary terminals.Accordingly, the design of a toytransformer takes into consideration the rather unusual risk of fire that may be involved,and theconstruction is made to reduce the risk of fire with respect to the ignition of nearby combustible material asthe result of overheating or eventual inoperative condition of the transformer itself.1.2These requirements do not cover toys or the like designed to operate from the secondary output of atoy transformer.1.3Toy transformers marked "Class 2" are evaluated to the requirements in the Standard for Class 2Power Units, UL 1310, and to the requirements in this Standard.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with therequirements for that component. See Appendix A for a list of st

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