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8.3 Power supplies
/ L/ w1 r3 w; e a% C8.3.1 General
/ a t. Z( ?7 {4 B5 r) e; w8.3.1.1 A power supply evaluated to one of the specified standards need only be evaluated to determine# C" x) ^4 I. h7 t# w
compliance with any applicable supplemental requirements specified in this outline of investigation:* U% M3 O- S; B, F7 [! a1 x' I
a) The Standard for Class 2 Power Units, UL 1310;; ~1 _$ a3 }/ P: S) B" }7 y' C/ x
b) The Standard for Information Technology Equipment, UL 60950; or
7 Y; L" k& B! x. @) `( c; ^' j. u- Wc) The Standard for Power Units Other Than Class 2, UL 1012.
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8.4 Transformers0 C z X1 p; D- j/ U
8.4.1 A transformer evaluated to one of the specified standards need only be evaluated to determine
, M/ c" N- J# D! n, _2 o8 y, Ccompliance with any applicable supplemental requirements specified in this outline of investigation:
8 P+ c- v: K; U9 ^- x% V$ e, na) The Standard for Class 2 and Class 3 transformers, UL 1585;7 X, j/ r' l4 h% L
b) The Standard for Transformer and Motor Transformers for Use in Audio-, Radio- and
$ E6 k. {: D. m( \9 JTelevision-type Appliances, UL 1411;
6 T- }+ C1 C: {c) The Standard for Specialty Transformers, UL 506; or
' ~3 Z8 b9 p$ M5 id) The Standard for Dry-Type and General Purpose Power Transformers, UL 1561.
0 m9 X3 g% I: V* x8.4.2 A transformer shall be required to operate within its rated input and output ratings.8 d- T" @: w7 s# {/ U/ K
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这是UL8750中对transformer和power supply的定义,希望能帮到你 |
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