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首先P15要求满足以下要求:: R3 t% W+ G1 u Y0 f$ Y2 X
5A.2.7 Controls
, j5 Q2 ~ y7 _ r& X! Y4 X$ _5A.2.7.1 A thermal cutoff shall comply with the Standard for Thermal-Links – Requirements and Application Guide, UL 60691.9 ]4 M& ]2 O P3 ]) B; C
5A.2.7.2 Except where superseded in this standard, a temperature control that complies with the construction requirements of the Standard for Temperature-Indicating and -Regulating Equipment,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.4 I) O$ F9 q' K
: q1 O+ s% g" X9 j6 [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 f5 o+ t' k; U
39.10 Liquid heaters
+ j' L3 W$ y% W& S39.10.1 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; v' D1 y7 o但是判断条件是按39.1来判定:
- S0 Z/ X# ?! L, [. v* {/ Q1 Z39.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be
2 g1 }5 B2 I- ?4 t9 @8 `: gobtained in actual service, a heating appliance shall not involve the risk of fire or electric shock when operated continuously under such abnormal conditions.
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