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UL 标准中关于变压器的标准:0 v( u2 N) w' P( o
a) Autotransformers used in industrial control equipment, which are evaluated in accordance with the Standard for Industrial Control Equipment, UL 508.% ~8 c" t" \# u
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b) Class 2 or Class 3 transformers, which are evaluated in accordance with the Standard for Class 2 and Class 3 Transformers, UL 1585.
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c) Toy transformers, which are evaluated in accordance with the Standard for Toy Transformers, UL 697.
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d) Transformers for use with radio- and television-type appliances, which are evaluated in accordance with the Standard for Transformers and Motor Transformers for Use in Audio-, Radio-, and Television-Type Appliances, UL 1411.) n2 W/ I) l" r% h: T5 C* ]
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e) Transformers for use with high intensity discharge lamps, which are evaluated in accordance with the Standard for High-Intensity-Discharge Lamp Ballasts, UL 1029.
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^ c2 n5 m2 ?f) Transformers for use with fluorescent lamps, which are evaluated in accordance with the Standard for Fluorescent-Lamp Ballasts, UL 935.$ R0 C# m1 f' v N1 v3 @0 P0 f
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g) Ventilated transformers for general use or non-ventilated transformers for general use (other than compound filled or exposed core types), which are evaluated in accordance with the Standard for Dry-Type General Purpose and Power Transformers, UL 1561.
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2 q& O5 q+ Z. z. a- Nh) Dry-type distribution transformers rated over 600 volts, which are evaluated in accordance with the Standard for Transformers, Distribution, Dry-Type - Over 600 Volts, UL 1562.
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i) Transformers incorporating rectifying or waveshaping circuitry evaluated in accordance with the Standard for Power Units Other Than Class 2, UL 1012.
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% R- x0 ^* C6 v" |5 ~6 ?j) Transformers of the direct plug-in type evaluated in accordance with the Standard for Class 2 Power Units, UL 1310.
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h( b/ K! W" u7 Q9 v3 gk) Transformers for use with electric discharge and neon tubing, which are evaluated in accordance with the Standard for Neon Transformers and Power Supplies, UL 2161.
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r) Special transformers, UL506. |
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