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电源线的表示方法:" {* }7 t( ^8 V0 a' t" W+ y) P
欧规 i7 O W0 G- E0 f' A. ^
# b' U/ ~# t8 c" `; D B4 D
Designation (描述), j% T( a# A i, F9 j( _0 i
H - harmonised wiring (协调系统电线)& `; D$ }& t" W9 P4 F
A - nationally recognised wiring (国家认可电线)# A8 U+ i( [6 i- b0 _( R* l
Rated Voltage V (额定电压UO/U)
0 k. a* ~2 g5 {% i(UO :表任一绝缘导体和”地”(电缆的金属护层或周围介质)之间的电压有效值)# C/ i. r$ q/ Q. k* ?" [+ T6 N4 ~* [
(U: 表多芯电缆或单芯电缆系统任何两相导体之间电压的有效值)
: H1 q2 q2 {. x 03 - 300/300 V
5 l( _3 K2 J3 H. F& t+ |# @ 05 - 300/500 V
$ Y- o2 R6 q- s# f' R# [ 07- 450/750 V) i4 p. y& S; z- a8 `- M% |
Insulated Casing (绝缘层)4 J2 Q |2 O; O5 S" @
V – PVC (聚氯乙烯)) H& L8 t/ q$ {. H0 R: g( ~# @( ]
R - natural or synthetic rubber (天然橡胶或人造橡胶) b, r) ]8 l. ^' t5 L2 L$ s6 @
S - silicone rubber (硅橡胶)2 i# ~( {' m% O C
B - synthetic rubber (人造橡胶)
! P5 a# T6 }3 F2 g$ F) c Jacket (护套层) - F$ V9 m3 b+ S, v* y/ x
V – PVC (聚氯乙烯)# w C- H" c6 o6 V
R - natural or synthetic rubber (天然橡胶或人造橡胶)* A: v, [6 S, [
N - neoprene rubber (氯丁橡胶)0 y) [- c, e" \4 N; E) s- [
J - fibre optic network (光纤维编织), ^- q$ n! `# u$ W
T - Textile braiding (棉纱编织)( t; D1 M) y j/ B
Q – Polyurethane (聚亚胺脂); G t: K" z+ j4 R6 v4 ]+ q8 ? c
Wire type (电线类型)
) Z$ ?+ s2 X0 S6 E" R: g U - round, monofilar wire (圆形单丝状)1 ~/ B. t2 Y, E) X" g
R - round multifilar wire (圆形多丝状)" P/ s4 U0 q- B: X$ Z }
K - finely stranded for fixed installations (合符标准的固定安装)" a7 d4 q& v5 U1 R: K6 y, R
F - finely stranded for movable wiring (合符标准的可移动电线)
5 }% z L% h) u i3 s H - most finely stranded for movable wiring (: d V7 O( X) ], w
Y - tinsel cord conductor (铜箔丝电线导体)
( b! c: h# P, H% e! p% r" S Wire count (芯线数)1 D! K8 g* N, K1 h
Ground wire (接地线)# } `( Y6 C! V5 Q# u; ]/ L
G - with green-yellow wire (带黄/绿色接地); ?( I% R$ O5 k+ @, E3 k7 d
Y - without green-yellow wire (不带黄绿色接地): H7 W X k1 a9 X. l+ d
Conductor cross-section (导体截面积) |
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发表于 2008-9-1 16:26
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