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2.8.7 Switches and relays
, S7 N; K6 C2 o2 ^1 wA switch in a SAFETY INTERLOCK system shall:) M6 C- _5 D# _) G7 Q% ]. @' w
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
: m; t4 ~. A/ y& L+ k) V+ W7 S% `7.1.4.4 of IEC 61058-1; or q/ Y% @" m* L3 J- P
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
4 ]* k; r. f1 J− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.& r! F- ^( {5 I# k0 w* ?
A relay in a SAFETY INTERLOCK system shall:" y: m3 J* k" G# b1 U! ]
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or4 s" r0 J3 t* }# K
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4." D8 ?6 {0 ]1 b! @% q; }4 a
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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, I, o3 L! z" x这一章节只是针对RELAY 是SAFETY INTERLOCK system 里的要求吧? 个人认为用在primary且是FUSE后(还有用在secondary)的话就没有距离要求了, 用在跨接primary, secondary就按照2.10.3的距离要求了.. 之前有遇见relay用在FUSE后的情况, 是么有要求距离的. |
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