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這個部份在IEC 60065 ed.8 Clause 14.13有提到, 但看起來是說不可直接連Mains跟可接觸部分" N* r, v: q* [8 M% N
5 W# S$ a; i) T/ V" ]Gastube也有相關要求/ h1 l( Y5 A+ @: o3 `7 ^! O
$ i& _* C3 Q5 b有錯請請指正, 學習一下, 謝謝
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14.13 Surge suppression varistors& [. z. w3 Y1 [2 }
Surge suppression varistors used in order to prevent MAINS overvoltages coming into the
6 R- y3 Z+ o Mapparatus shall comply with IEC 61051-2.7 S/ m# H( Q* m$ o/ ~: J7 ~
6 `5 q, Z9 n8 @ J) ISuch components shall not be connected between parts connected to the MAINS and
+ p9 _: h8 K) p3 r$ d u" w% q: rACCESSIBLE conductive parts or parts connected to them, except for earthed parts of
! F; }5 t* l6 l% W8 m6 jPERMANENTLY CONNECTED APPARATUS.- D! `- c1 h, v. p
: U. c7 l) N( A: ~Where a varistor in series with a Gas Discharge Tube (GDT) is used to bridge BASIC
6 A9 K, J9 h7 p, f4 a3 X9 M3 `% r9 cINSULATION, the following applies:
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' D; {% m5 T" _- T; |) l– the varistor has to comply with IEC 61051-2 as indicated below; and
" } P2 q" T' _! G$ x3 ?4 x– the GDT has to comply with:4 k" }; W: Q3 X7 D, b
• the electric strength test for BASIC INSULATION; and
. K. K/ N5 B/ m6 ~• the external CLEARANCE and CREEPAGE DISTANCE requirements for BASIC INSULATION.! H9 x* \( `/ V
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