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根据NMX-J-436-ANCE ¨ CSA C22.2 NO. 49 ¨ UL 62 MAY 31, 2006 8 z7 c- A7 w+ Y% c. K6 X/ l( T4 t
$ ?- Y/ x9 O9 G( l
Insulation thickness, mm (mils)
' m$ I9 L/ V- T4 J, @4 r& ]Nominal (not a requirement)
" e, `1 o7 \8 nSPT-1 SPT2
, p2 Y: k9 j% @& k6 f+ P/ `0.76 (30) 1.14 (45) 0.64 (25)
8 \9 T$ h8 p# o* W& r: |: Z: s Y0 s) T7 [
Minimum thickness at any point before separation
+ H7 D7 M; O+ g2 F0.69 (27) 1.01 (40)
, d; I9 z: y) y3 x+ ?6 L1 M a) W: ^7 ?+ ~! ~
Minimum thicknerss at any point after separation
$ W( @) X/ W6 y$ _8 S" j: c. j8 n0.33 (13) 0.69 (27)
s, R# N. T( ]+ ?+ U! n: E/ M* ~) t2 J3 P0 G- h6 N
2 楼所言差以。 y# M7 j4 }% \: P
3 |* o8 R' D8 [ v) a! y6 U
此外SPT-1 和SPT-2 导体间的绝缘要求也有不同。 |
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