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电源线的表示方法:- ?- ^/ i9 x' A3 T
欧规3 H; E3 V: p* Q6 k1 j% @
; [+ x1 A1 ?& f7 r* b3 |* \ Designation (描述)+ O- v/ Z0 s8 r# G& z3 x* S
H - harmonised wiring (协调系统电线)
7 Z/ ~/ Q! W" Q( w) W; o7 V A - nationally recognised wiring (国家认可电线)
( P# F6 ]3 s3 D' F/ n Rated Voltage V (额定电压UO/U) ) n, m. g$ f( G7 M. Q
(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)
/ I) i# }& O; \* S; F(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)
, o, V l, k4 q, Z$ c1 B3 ]% l 03 - 300/300 V
. a) k$ l s4 O! _7 `/ k 05 - 300/500 V
# s h9 C( O7 p) c z0 L2 K- F: A 07- 450/750 V2 n5 v+ y3 C& x7 D9 F; l- B
Insulated Casing (绝缘层)
8 n0 c A6 Z' a* p& I& U$ a V – PVC (聚氯乙烯) T! b( ?4 j% Q0 h( V) O
R - natural or synthetic rubber (天然橡胶或人造橡胶)' |) U& ?( Y3 H/ b4 y
S - silicone rubber (硅橡胶)
4 A7 Q; }0 B1 \ z( X, T/ v B - synthetic rubber (人造橡胶); \7 {9 A* n9 o/ q; v. N' T
Jacket (护套层) R' T9 H" d W4 ^0 `: ]* Y
V – PVC (聚氯乙烯), o% v' R. v& k- `/ }
R - natural or synthetic rubber (天然橡胶或人造橡胶)
7 C6 U- i4 W; c; W6 s* C" C! Q N - neoprene rubber (氯丁橡胶)
3 Y; v9 o) v& H, V: o( J; x* U J - fibre optic network (光纤维编织)
0 \/ H5 d6 M, Y" K8 C) m% P* g# K9 D T - Textile braiding (棉纱编织)/ o. R G' F1 B( ?& X/ @5 ?
Q – Polyurethane (聚亚胺脂)
. K H6 g% s$ H* z* D Wire type (电线类型)
8 N+ I! j( a' i; J8 ?1 d6 ~ U - round, monofilar wire (圆形单丝状)
; m$ A* K5 |6 x R - round multifilar wire (圆形多丝状)
4 h8 X. ?/ x1 B: P- H; Y3 a K - finely stranded for fixed installations (合符标准的固定安装)
7 R% C7 D( P9 U5 [7 s F - finely stranded for movable wiring (合符标准的可移动电线)( p# a# @8 J$ i3 C) Z" E" P6 A
H - most finely stranded for movable wiring () a3 B! |) ~2 e8 \
Y - tinsel cord conductor (铜箔丝电线导体)% m# c: f+ `; S
Wire count (芯线数). i/ C1 c D7 _) h
Ground wire (接地线)
* ^/ c; C- h4 }6 { @ G - with green-yellow wire (带黄/绿色接地)9 X6 E; B; z d( @. H
Y - without green-yellow wire (不带黄绿色接地)
2 C: T$ O9 t. v# R$ I# H( W Conductor cross-section (导体截面积) |
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