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1.所有保险丝都需要标识分断特性
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" O- L+ Q& A% H+ o$ h4 s8 HF, denoting quick acting;
' v( p, M% }: X2 h HT, denoting time lag;( L' y" X( Y& }' {
! ?$ ~/ r. I) |& X分断特性来源于VDE证书和规格书
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2.针对于不同尺寸的保险丝标识:$ v! U5 j, R5 J% O6 k" c! V# t4 F; H
小型保险丝:(5x20mm和6.3x32mm)需要标识分断能力
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9 K% o( C- n% G; I w0 YT3.15AL250V
! z3 Z6 j C! S1 c; GT3.15AH250V. c: l8 _9 o3 L9 \! I1 i4 i
F3.15AH 250V6 M6 H8 E& U- w/ F
F3.15AL250V3 z" k" h2 O% c- E( N! x7 V3 v2 Y0 ?
: S1 Z& ?) u- H! i ?超小型保险丝:不需要标识分断能力 + K2 }6 T) v8 B# d4 f8 w1 S
T3.15A 250V8 ]& _3 g* l. ]. n
F3.15A 250V
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Q O' _) X2 D; h) v不建议两种规格的保险丝一起使用:; p F3 b2 U# e7 M/ k. W4 [
4 v. S* {, M+ R! Q针对以上的标识不会存在机构之间的相互不接受!
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现在很迷茫3C要求必须要标示分断能力,而CB要求不要!
8 l' O0 x/ f% a+ c1 E" N- z" _# E3 k14.5.2.2 For fuse-links according to IEC 60127, the following marking shall be located on
& X! z& |, Y, i, O+ Teach fuse-holder or close to the fuse-link, in the given order:
J6 u6 Q) t3 r m& q a symbol denoting the relative prearcing time/current characteristic;9 t* N7 M; @( V% g+ ]$ P0 V0 m
examples are:
* x; t6 t' @& F8 A4 T' [& pF, denoting quick acting;
9 h2 @) J+ k' [$ W6 oT, denoting time lag;
+ q! A E: ]4 E% O0 g W7 y the rated current in milliamperes for rated currents below 1 A, and in amperes for rated2 o/ V7 G3 t1 r% ~( F
currents of 1 A or more;! N: w; h, F: h
a symbol denoting the breaking capacity of the assigned fuse-link;- s5 X8 g* f0 \ K, j
examples are:1 [: Q' S2 w7 E+ Z3 |+ o
L, denoting low breaking capacity;
/ a- z! k ^ k9 wE, denoting enhanced breaking capacity;8 k! j0 D7 W) r& r
H, denoting high breaking capacity. d" O7 @6 L- @
Examples of marking: T 315 L or T 315 mA L
9 [. Z# R) N& B& h* IF 1,25 H or F 1,25 A H9 n& E2 i% J% |: Z2 Y4 w
the voltage rating of the fuse, where a fuse with a lower rated voltage could be fitted in error. |
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