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8.3 Power supplies
0 h0 j* g4 W2 Z0 V5 r8 h2 C- x3 A# Z8.3.1 General! |; [ A3 ]. u7 q+ F F4 Q5 ^ N
8.3.1.1 A power supply evaluated to one of the specified standards need only be evaluated to determine( t* Y: d: d6 O3 n! t
compliance with any applicable supplemental requirements specified in this outline of investigation:+ P4 c! [1 H: i# i! }0 X
a) The Standard for Class 2 Power Units, UL 1310;
h0 [+ v& V2 n; K, Y0 q0 Ab) The Standard for Information Technology Equipment, UL 60950; or
# r5 o! O' Y9 k. J7 X+ u5 hc) The Standard for Power Units Other Than Class 2, UL 1012.! O& F' `! U/ p7 c, x
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' j7 w- V, I) x9 v; `8.4 Transformers. D) v: M+ G# S8 Y# B
8.4.1 A transformer evaluated to one of the specified standards need only be evaluated to determine
! _& _7 t$ b5 c) G4 C. T% h7 Pcompliance with any applicable supplemental requirements specified in this outline of investigation:$ f/ m; Z4 f+ K; v" A8 R+ [
a) The Standard for Class 2 and Class 3 transformers, UL 1585;
- ? Q! H# S# C/ O: O) Y1 h- xb) The Standard for Transformer and Motor Transformers for Use in Audio-, Radio- and
9 Z$ n5 z! e2 e6 rTelevision-type Appliances, UL 1411;& p- Y% `2 X( u7 V" z, Q
c) The Standard for Specialty Transformers, UL 506; or
l# b. I' F3 td) The Standard for Dry-Type and General Purpose Power Transformers, UL 1561.9 }/ R3 V) V) e+ r w
8.4.2 A transformer shall be required to operate within its rated input and output ratings.
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2 b, e- }. I. ^7 k这是UL8750中对transformer和power supply的定义,希望能帮到你 |
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