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1.所有保险丝都需要标识分断特性
# u9 h& D* ~! H" ]% s s4 D / J5 Q$ d# K# l3 Q, h' O$ F
F, denoting quick acting;
1 M5 S$ N9 ~) _0 @' I5 o: yT, denoting time lag;
* v! A* I- Y! X% j& X* k # C* R t( ~2 ~) g: X* X
分断特性来源于VDE证书和规格书# I- \3 u: U5 E4 Y+ s* b: F
" ^: B7 e$ y5 S1 S- k. ^% Q2.针对于不同尺寸的保险丝标识:
2 f( P9 v+ ~& a7 s! S4 ?% O" ?小型保险丝:(5x20mm和6.3x32mm)需要标识分断能力
K2 p1 q$ S* O! j* w% B 2 v0 S( P* ^7 a6 F- c' T' F8 B8 x4 K
T3.15AL250V, M+ J7 U$ e3 x9 L6 S
T3.15AH250V
; {; @ G% K3 XF3.15AH 250V
. B' `8 y" G( b6 Z( {F3.15AL250V+ g1 M i4 D% @- N) O
3 @9 [( A y' U1 W% c& u/ C' k
超小型保险丝:不需要标识分断能力
. o$ S) P% u9 K4 d, M8 sT3.15A 250V
) ?( h+ d; J2 O2 t, OF3.15A 250V
( `1 c- m: {9 j0 u! n9 q% E8 H [ . ^2 _+ B" s, G' Z' I# j& n: ^
不建议两种规格的保险丝一起使用:
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* q2 z5 J& U6 t' w' F# z% K针对以上的标识不会存在机构之间的相互不接受!% l3 j! Q, ?+ T5 F) r9 G% u/ o
) X' B1 ^/ @- F; `现在很迷茫3C要求必须要标示分断能力,而CB要求不要!5 g) D" D) j/ q: @* p) f
14.5.2.2 For fuse-links according to IEC 60127, the following marking shall be located on/ W# s$ b7 ], ~$ q
each fuse-holder or close to the fuse-link, in the given order:# b0 G3 q- K2 ^+ x- y2 a# r4 x
– a symbol denoting the relative prearcing time/current characteristic;
. q9 @+ A: p# Y: _) w3 oexamples are:2 Y+ T& U$ I. g, i
F, denoting quick acting; m1 V# E0 ^4 b6 E. J4 r* q Z9 n: K
T, denoting time lag;6 _, [. q' r; \/ ~" M( z) X, h
– the rated current in milliamperes for rated currents below 1 A, and in amperes for rated2 C% [0 r1 A% L' K
currents of 1 A or more;
1 e; A: q/ M2 ^& C– a symbol denoting the breaking capacity of the assigned fuse-link;8 m4 A8 `" i0 P. c
examples are:& |- c: [) ~# p' R0 Y0 c
L, denoting low breaking capacity;4 ?0 Y/ G$ [) ] @8 m: b
E, denoting enhanced breaking capacity;
6 a0 a: ^! i0 uH, denoting high breaking capacity.
7 N1 }6 q! V+ Q0 t5 j' XExamples of marking: T 315 L or T 315 mA L0 t; k6 s. j1 }/ K
F 1,25 H or F 1,25 A H% q" x2 m9 i9 y% G. v
– the voltage rating of the fuse, where a fuse with a lower rated voltage could be fitted in error. |
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