我们在保险丝的选用法则上,除了参考我们最常用的额定电流、额定电压、分段电流,以及温升测试、过载测试和分段测试之外,还会用到以下术语,瑞卓为您列出仅供您在保险丝专业知识的认知上更进一步,帮助您进行更精准的保险丝选型:
Fuse Characteristics:
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aM | Motor-Start or a Time-Delay to allow for motor surge start-up |
|
aR | Semiconductor protection partial range breaking capacity |
|
F |
Fast-acting |
|
FF | Fast-fast very fast |
|
Flink | Fast-acting fast-blow |
|
gG | General purpose |
|
gL | General purpose |
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gR | Semiconductor protection current-limiting |
|
gT | Transformer |
|
HRC | High rupturing capacity |
|
M | Medium-delay time-lag |
|
M | Motor-start |
|
PTC | Resettable fuse to 60V and 11A current-limiting |
|
SF | Super-flink fast-fast |
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T | Time-delay slow-acting slow-blow |
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TT | Extended time-delay |
|
Trage | Slow-blow |
|
UR |
Ultra Rapid semiconductor protection Ultra Quick™ |
|
i2t |
is a measure of current (I) and time (t), that would be the thermal energy let through during short circuit interruption, as the integral of the square of the current over a given time expressed in ampere square seconds. Data may refer to pre-arcing or melting i2t for high currents which is practically a constant value, or refer to an operational i2t which varies with circuit conditions |