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发表于 2007-11-9 03:27
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UL 标准中关于变压器的标准:
2 T6 u' m5 R* L: F; Sa) Autotransformers used in industrial control equipment, which are evaluated in accordance with the Standard for Industrial Control Equipment, UL 508.
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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.* c6 @- N9 o/ q" }5 @ n0 s
0 o6 p8 E- S- [0 b7 ~ kc) Toy transformers, which are evaluated in accordance with the Standard for Toy Transformers, UL 697.* h q8 X0 ^$ y9 ~& B2 c
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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.) D( c+ A2 F$ S1 ?% Q9 ]
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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 1029.6 l( N% ^/ T1 I6 c$ B# _
& Z6 O7 c, D: J4 s! ?f) Transformers for use with fluorescent lamps, which are evaluated in accordance with the Standard for Fluorescent-Lamp Ballasts, UL 935.
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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 1561.6 q3 J) ^4 }! ^+ |7 x. J
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h) 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.% v: g$ \" A3 y! b1 E; G: H
. I" k* f4 |$ Z0 ji) 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.
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- i/ U/ E4 c ]) ]$ _4 }r) Special transformers, UL506. |
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