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首先P15要求满足以下要求：' }; h5 l- P7 O4 D# n, n, y
5A.2.7 Controls8 U" H! _4 c' k) v2 j5 W* ?0 s1 z
5A.2.7.1 A thermal cutoff shall comply with the Standard for Thermal-Links – Requirements and Application Guide, UL 60691.0 H( j- c( l$ a0 E: p' d
5A.2.7.2 Except where superseded in this standard, a temperature control that complies with the construction requirements of the Standard for Temperature-Indicating and -Regulating Equipment,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.) V4 Z, s4 c o# ~1 {, ^ \# A
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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：6 j! r' U9 j4 B$ a7 D. ^$ i
39.10 Liquid heaters
1 [. N! i& r R/ Z6 E1 s: `39.10.1 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." @# j) J1 v3 v9 y+ W" e
但是判断条件是按39.1来判定：# l7 \* r- P6 r0 ]
39.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be
/ X, M% @) J+ K1 ^: Y# Z6 Cobtained in actual service, a heating appliance shall not involve the risk of fire or electric shock when operated continuously under such abnormal conditions.! Z& y" g% G+ u/ O; N
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发表于 2012-11-24 15:00
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