UL1012心得 UL 1012 結構要點 (針對非接地,非永久連接型電源供應器) (1) 適用於有任一組輸出非標示為 Class 2 (根據 UL 1310) 之電源供應器。 (2) 若外殼為金屬材質須符合 Table 4.1。 (3) 若外殼為塑膠材質須符合 UL 746C 之要求,外殼底部應防止燃燒物掉落,若以隔板阻擋則其材質至少須 UL ...
UL 1012-2016 动力装置(除等级2之外)安全性UL标准 星级: 155 页 (高清正版) UL 1012-2016 动力装置(除等级2之外)安全性 星级: 155 页 UL 1012-2016 动力装置(除等级2之外)安全性UL标准(标准电子版) 星级: 155 页 UL1012-2016动力装置(除等级2之外)安全性UL标准 星级: 155 页 (正版)UL 507-20...
circuit parts;2) Insulated high-voltage parts of opposite polarity, or of different potentials.gSpacings are able to be less than specif i ed when the enclosure complies with the metal enclosure strength requirementsin 44.1 and 44.3.APRIL 29, 2005 POWER UNITS OTHER THAN CLASS 2 - UL 1012 63...
UL CLASS2(ul1310)&OTHER THAN CLASS 2(ul1012) DIFFERENCE UL1310 是从输出标称电流和电压来判定。 只做 UL 认证时 输出直流 V<60V 输出交流 V<42.4V 只做 CUL 认证时输出 I<5A 输出交直流 V<42.4V 任何情况下实测电流需小于 8A 若大于 8A 需增加保险丝。其容量应小于 5A。若使用成品 LIST 保险丝...
The preliminary review process is aninformal mechanism that provides authors with the opportunity to ref i ne their proposals before theyadvance to the next stage in UL’s standards development process.In some cases, the author of the proposals may choose to discontinue them. In this case, the...
内容提示: Subject 1012May 1, 2009SUMMARY OF TOPICSThe following changes in requirements to the Standard for Power Units Other Than Class 2, UL1012, are being proposed:1. New requirements for batteries with integral chargers2. New requirements for power units for installation in air-handling ...