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UL 标准中关于变压器的标准:4 s+ |/ w' d% c- h. d8 j# w+ A
a) Autotransformers used in industrial control equipment, which are evaluated in accordance with the Standard for Industrial Control Equipment, UL 508.1 f, i- H B# s, ~7 {" ~
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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." |6 K3 `0 p- y& N3 }% ?
% L! ]) N) G. P9 Ec) Toy transformers, which are evaluated in accordance with the Standard for Toy Transformers, UL 697.) p$ `: p: g) R- t
5 d% F* [7 T* L. \" Zd) 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 1411.5 j- ~, L% S, g9 t' M
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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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4 L0 ?0 u0 S1 t" lf) Transformers for use with fluorescent lamps, which are evaluated in accordance with the Standard for Fluorescent-Lamp Ballasts, UL 935.
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% L* D' v* l3 q. x% M* _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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- X/ L5 O( W$ z# l3 [: x7 H: Fh) 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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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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k) Transformers for use with electric discharge and neon tubing, which are evaluated in accordance with the Standard for Neon Transformers and Power Supplies, UL 2161.0 K* O. B& x. t7 a
7 K8 J" ~" U5 w3 d q- e) Xr) Special transformers, UL506. |
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