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8.3 Power supplies. f6 |0 @ i& W2 w! Y
8.3.1 General4 w/ O/ k* w4 q- V. e. Q
8.3.1.1 A power supply evaluated to one of the specified standards need only be evaluated to determine
! n2 t$ A2 W% J1 J; E! L# P+ p8 y- zcompliance with any applicable supplemental requirements specified in this outline of investigation:
& r! O/ S C$ t1 F% ?a) The Standard for Class 2 Power Units, UL 1310;
, F) K2 W k O" y. z/ ]# m0 A7 z( Z* R3 Sb) The Standard for Information Technology Equipment, UL 60950; or/ o% I$ v4 F& \3 }4 n
c) The Standard for Power Units Other Than Class 2, UL 1012.
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: d+ `0 O6 P; @) J8.4 Transformers
* p* U. G( u, ?& U8.4.1 A transformer evaluated to one of the specified standards need only be evaluated to determine
: y+ y/ l. j- Bcompliance with any applicable supplemental requirements specified in this outline of investigation:
) Y& b9 }+ D* ?/ x) R0 N# Ia) The Standard for Class 2 and Class 3 transformers, UL 1585;
" `* H3 x! B9 E, _$ P c Fb) The Standard for Transformer and Motor Transformers for Use in Audio-, Radio- and j$ l, N) d2 e0 `6 v4 y2 N' d' n) [
Television-type Appliances, UL 1411;7 q! C: ?' n3 B2 f
c) The Standard for Specialty Transformers, UL 506; or s0 @4 v$ p' n$ I( ^) G
d) The Standard for Dry-Type and General Purpose Power Transformers, UL 1561.3 }' o# y7 R) J7 h1 }" o/ g
8.4.2 A transformer shall be required to operate within its rated input and output ratings.
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9 V( W' i+ f) A8 C这是UL8750中对transformer和power supply的定义,希望能帮到你 |
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