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1.所有保险丝都需要标识分断特性 L2 ?" x1 c7 u
- `/ k; P8 x! J# R6 ?. A; T9 _F, denoting quick acting;* c- z4 @5 s# i
T, denoting time lag;
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分断特性来源于VDE证书和规格书$ d! U! V7 Z, N( ?5 y; G, }/ I
4 z: t$ |! u1 \* C2.针对于不同尺寸的保险丝标识: S' [" F! b4 w: U6 @
小型保险丝:(5x20mm和6.3x32mm)需要标识分断能力
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1 ~/ C, d* v- s, i8 W3 e1 NT3.15AL250V, ^" y3 w2 Z; t7 }! i8 Z
T3.15AH250V
: M7 N* r9 U' @$ ?# H1 y3 aF3.15AH 250V8 d0 E+ c+ [! v+ H3 n: i
F3.15AL250V
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& L$ [: r R5 Z超小型保险丝:不需要标识分断能力
8 X! E2 F/ K9 B; S# GT3.15A 250V
& \0 D' Y7 k1 i: \5 M" e! v: _7 jF3.15A 250V$ ~( q( V% g' `; @3 z* p1 r
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不建议两种规格的保险丝一起使用:! B# O6 U" L1 C# a) z
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针对以上的标识不会存在机构之间的相互不接受!) D. K# D1 W8 D- a$ b' M% u) r4 E6 M1 {
1 N! {( K: M- o7 H) S7 G" Z5 C
现在很迷茫3C要求必须要标示分断能力,而CB要求不要!
3 L X% E' W, t+ X14.5.2.2 For fuse-links according to IEC 60127, the following marking shall be located on5 |" J0 N2 p) C4 D( r+ x
each fuse-holder or close to the fuse-link, in the given order:; h. w h) H* @& f" O7 n
a symbol denoting the relative prearcing time/current characteristic;
& N" i! `9 F; I% {: E5 eexamples are:
2 }* l+ U6 S1 n, ~F, denoting quick acting;3 s0 F9 @( f: ]5 }- ?* o
T, denoting time lag;( b3 A; k# J7 U Q% v
the rated current in milliamperes for rated currents below 1 A, and in amperes for rated% u8 G; `! n6 c* f# [7 _
currents of 1 A or more;
# [% E" u2 [# K! o+ f0 A: \' z a symbol denoting the breaking capacity of the assigned fuse-link;
/ M- v" o) R2 W% i {& ~examples are:
8 ?/ X- O/ N" lL, denoting low breaking capacity;
- c5 K" H* a2 I) rE, denoting enhanced breaking capacity;/ `" s% w% ^9 G2 A. N+ V
H, denoting high breaking capacity.$ x0 Z2 N7 J" J5 t1 |" q2 X
Examples of marking: T 315 L or T 315 mA L4 M7 R U0 ^! Z: M! O) M E- M, ~
F 1,25 H or F 1,25 A H5 L4 q% Z' `; l6 U
the voltage rating of the fuse, where a fuse with a lower rated voltage could be fitted in error. |
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