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首先P15要求满足以下要求:
0 D$ y/ P- r# ]" E$ G5A.2.7 Controls
, c$ |9 z1 m, |; ^; U5A.2.7.1 A thermal cutoff shall comply with the Standard for Thermal-Links – Requirements and Application Guide, UL 60691.$ X+ r7 x7 q6 H) U* I9 A
5A.2.7.2 Except where superseded in this standard, a temperature control that complies with the construction requirements of the Standard for Temperature-Indicating and -Regulating Equipment, UL 873; the Standard for Limit Controls, UL 353; or the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1, and the Standard for Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Temperature Sensing Controls, UL 60730-2-9, is considered to comply with the construction requirements of this standard. See Testing of Component Switches and Control Devices, Section 40 for performance requirements.
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其次还要满足39 Abnormal Operation Test的要求,其中可能包括热断路器短路非正常测试,但是和零部件失效测试的要求是不一样的,看你是什么产品就做哪节测试。比如,如果是热水器则按:2 l# o1 i! V! `/ j9 P
39.10 Liquid heaters
; b, P( p1 ~! z0 H, f39.10.1 A liquid heater is to be operated dry and with all automatic temperature controls or protective devices shunted out of the circuit, except as noted in 33.1.19.
% Q' j3 K+ ^& Z {/ Y* Q: M但是判断条件是按39.1来判定: |5 a3 E w j
39.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be& W$ j. W ^! o
obtained in actual service, a heating appliance shall not involve the risk of fire or electric shock when operated continuously under such abnormal conditions./ `; f8 v+ Y& H6 X. A
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