UL1310与UL1012的区别？

Liu

广东安规检测
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从标题上看：
UL1310—Class 2 Power Units
UL1012—Power Units Other Than Class 2
从scope上看：
) N' V) S* d% @UL1310—These requirements cover indoor and outdoor use Class 2 power supplies and battery chargers.
7 G8 s" n7 u$ Q' |' i  z$ vThese units utilize an isolating transformer and may incorporate components to provide an alternating- or
direct-current output. Each output provides Class 2 power levels in accordance with the National Electrical
Code, ANSI/NFPA 70. Maximum output voltage does not exceed 42.4 V peak for alternating current, 60
" N; a- s1 ^# X- H& V4 w9 RV for continuous direct current. These products are intended primarily to provide power to low voltage,
electrically operated devices. These requirements apply to:
" g3 N! S2 N3 S, B- O/ h* pa) Portable and semipermanent mounted direct plug-in units provided with 15 A blade
) }# P6 F, n& `$ T1 kconfigurations for use on nominal 120 or 240 V alternating current branch circuits with a
maximum potential of 150 V to ground;
0 ]" E) m& @# h/ N0 C1 Rb) Cord- and plug-connected units provided with a 15 or 20 A attachment plug configuration for
use on nominal 120 or 240 V alternating current branch circuits with a maximum potential of
150 V to ground; and
1 W) H% Q3 {/ O  [; Hc) Units permanently connected to the input supply for use on nominal 600 V or less alternating
, D: v6 ?. J0 X% ior direct current branch circuit.
Direct plug-in and cord-connected units may also be provided with an integral cigarette lighter connector
assembly, or a direct current input jack for being powered from a vehicle battery adapter or from a data
port associated with information technology equipment. These units utilize an isolating transformer and
may incorporate components to provide an alternating- or direct-current output. Each output provides
+ L( N% n9 l$ s7 c  Q: t  aClass 2 power levels in accordance with the National Electrical Code, ANSI/NFPA 70. Maximum output
3 S: M6 ^9 @8 B( U3 n* W7 z4 q; C* N6 bvoltage does not exceed 42.4 V peak for alternating current, 60 V for continuous direct current. These
: W  J/ F- Z) g$ F3 Z; B, Uproducts are intended primarily to provide power to low voltage, electrically operated devices.
3 `8 k7 j: a6 m8 j/ [0 j8 U3 I
! `- F+ j6 ]. M5 h3 v: SUL1012—These requirements cover portable, stationary, and fixed power units having an input rating of 600
volts or less, direct- and alternating- current, with at least one output not marked Class 2, and that are
8 Z) u. V3 Q& M$ U2 [+ n3 ^' nintended to be employed in ordinary locations in accordance with the National Electrical Code,
" ?) u; X( U5 Y* `7 ~ANSI/NFPA 70.
& i8 A8 S& b9 U$ H+ V# @& i
但是，我怎么都分不清，什么是Class 2，哪位大哥解释一下？

kennykkou

CLASS Ⅱ插头是双插
CLASS Ⅰ插头是三插(含接第插)
CLASS 0Ⅰ插头虽是双插但要附接地线
! q% c2 j- V, L: O2 U/ d
" I! r4 Z( U& E

lanfeiyuner

如果电源模块是class II 电源，这可以用UL1310 来测试认证。class II 电源是指采用隔离型变压器，输出电压低于直流60伏， 电流小于150/Vmax安培的电源。 而对非class II电源， 则采用UL1012来测试认证。

huaxing001

class 2和classⅡ是不同的概念。

& D1 W: _+ `) g& c0 B9 [  _class 2电源最基本的要隔离变压器和功率不大于100W

Liu

引用第1楼lanfeiyuner于2010-06-08 09:18发表的  :
如果电源模块是class II 电源，这可以用UL1310 来测试认证。class II 电源是指采用隔离型变压器，输出电压低于直流60伏， 电流小于150/Vmax安培的电源。 而对非class II电源， 则采用UL1012来测试认证。

+ [2 x- v- S' v/ r你拿欧洲概念和我说美国标准，我更糊涂了。我查NFPA 70-2008的725.2 Definitions.如下：
! ?8 J  \; I. @Class 2 Circuit. The portion of the wiring system between
) z: I  A# Z/ gthe load side of a Class 2 power source and the connected
- O1 D$ W8 N6 z9 G, `equipment. Due to its power limitations, a Class 2 circuit
  @% V$ A$ S. b8 a( gconsiders safety from a fire initiation standpoint and provides
8 z1 t2 _, p5 ?7 racceptable protection from electric shock.

bob_dai

楼上正解，UL1310里面也有具体的定义

kellysun

是不是输出高于60V 时就不能过UL1310了，如果输出高于60V如何过1012呢

faige2006

class II是双重绝缘。