|
|
8.3 Power supplies
% X( \) [1 T9 K: T$ Q. t8.3.1 General
# U% e$ }1 Z- m" I0 a! f0 m! A E8.3.1.1 A power supply evaluated to one of the specified standards need only be evaluated to determine' ~/ Z0 i( g6 ]
compliance with any applicable supplemental requirements specified in this outline of investigation:& \8 m) m9 R: d. m9 b
a) The Standard for Class 2 Power Units, UL 1310;
+ m1 s/ s" f7 b; I$ D! N/ T8 p) pb) The Standard for Information Technology Equipment, UL 60950; or/ x) {3 P- y/ ?
c) The Standard for Power Units Other Than Class 2, UL 1012.; t* j$ G5 c! n# R; I+ U
7 E1 |5 q+ s. M
4 ?0 r+ G" R( P; f4 w6 Y* \% ?8.4 Transformers
4 r6 G. A+ q4 `" O/ A8.4.1 A transformer evaluated to one of the specified standards need only be evaluated to determine1 j' y" x Z# l3 h: @/ g- S4 b
compliance with any applicable supplemental requirements specified in this outline of investigation:3 W3 n, n0 K T8 l0 G" p: R$ w
a) The Standard for Class 2 and Class 3 transformers, UL 1585;2 _6 R. d1 X% _2 x: w7 G
b) The Standard for Transformer and Motor Transformers for Use in Audio-, Radio- and! m2 ?, d) h5 X
Television-type Appliances, UL 1411;
$ a5 t2 t1 \4 p( jc) The Standard for Specialty Transformers, UL 506; or9 K$ D) M J6 d0 T5 p
d) The Standard for Dry-Type and General Purpose Power Transformers, UL 1561.0 F3 y( U# e& `% h
8.4.2 A transformer shall be required to operate within its rated input and output ratings.
; d* M" C; A4 t8 X* `$ Z: [$ ^/ S% w$ y# b
这是UL8750中对transformer和power supply的定义,希望能帮到你 |
|