KSM半导体保护熔断器/长圆孔直母线半导体保护熔断器（快速熔断器）适合于交流50HZ，额定电压250V-1250V，额定电流10A-2000A，作为二极管、晶闸管、可控硅整流器、GTO、IGBT、变频器、软起动器等半导体器件和设备的保护。主要应用于直流电机传动、中频电源、电化学、不间断电源、整流桥内部的短路保护和某些不允许过电流的过载保护。
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代号
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型号
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额定电流（A）
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I2t(×103A2S)
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弧前
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熔断
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1
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KSM1-40A/690V AC
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40
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0.045
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0.28
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KSM1-50A/690V AC
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50
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0.065
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0.53
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KSM1-63A/690V AC
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63
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0.12
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0.78
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KSM1-80A/690V AC
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80
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0.19
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1.3
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KSM1-100A/690V AC
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100
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0.36
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2.5
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KSM1-125A/690V AC
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125
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0.57
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3.75
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KSM1-160A/690V AC
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160
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1.3
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7
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KSM1-200A/690V AC
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200
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2.6
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13.5
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KSM1-250A/690V AC
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250
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4.7
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25
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KSM1-315A/690V AC
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315
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7.5
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43
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KSM1-350A/690V AC
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350
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10.5
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55
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KSM1-400A/690V AC
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400
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19
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100
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KSM1-450A/690V AC
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450
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26.5
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140
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KSM1-500A/690V AC
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500
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37
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195
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KSM1-550A/690V AC
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550
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52
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280
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KSM1-630A/690V AC
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630
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75
|
390
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KSM1-700A/690V AC
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700
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95
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490
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KSM1-800A/690V AC
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800
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95
|
490
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KSM1-900A/690V AC
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900
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158
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849
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2
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KSM2-400A/690V AC
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400
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15
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80
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KSM2-450A/690V AC
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450
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22
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115
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KSM2-500A/690V AC
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500
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28
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145
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KSM2-550A/690V AC
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550
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37
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195
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KSM2-630A/690V AC
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630
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54
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280
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KSM2-700A/690V AC
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700
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76
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400
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KSM2-800A/690V AC
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800
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115
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600
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KSM2-900A/690V AC
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900
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170
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900
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KSM2-1000A/690V AC
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1000
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240
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1250
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KSM2-1100A/650V AC
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1100
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270
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1450
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KSM2-1250A/600V AC
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1250
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410
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1950
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3
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KSM3-500A/690V AC
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500
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19
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100
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KSM3-550A/690V AC
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550
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27
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140
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KSM3-630A/690V AC
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630
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40
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210
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KSM3-700A/690V AC
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700
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55
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300
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KSM3-800A/690V AC
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800
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95
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490
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KSM3-900A/690V AC
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900
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135
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700
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KSM3-1000A/690V AC
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1000
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170
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900
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KSM3-1100A/690V AC
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1100
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240
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1260
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KSM3-1250A/690V AC
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1250
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350
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1850
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KSM3-1400A/690V AC
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1400
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480
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2500
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KSM3-1500A/650V AC
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1500
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500
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2500
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KSM3-1600A/650V AC
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1600
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555
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2950
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KSM3-1800A/650V AC
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1800
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720
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3870
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KSM3-2000A/600V AC
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2000
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950
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4500
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外型尺寸图
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尺寸
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KIN 90
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A
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B
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C1
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C2
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D
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E
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1
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51
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136
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104
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78
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25
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14
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2
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60
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135
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105
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78
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25
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14
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3
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75
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135
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106
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77
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36
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16
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代号
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尺寸
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KIN 115
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A
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B
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C1
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C2
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D
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E
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1
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51
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157
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126
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100
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25
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14
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2
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60
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159
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125
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99
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25
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14
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3
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75
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155
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125
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97
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36
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16
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注：KIN 90，表示短安装尺寸；KIN
115，表示长安装尺寸。用户定货时需注明。
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熔断器对照互换表
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额定电流
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KSM1可替代如下型号
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A
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BUSSMANN
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FERRAZ
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1
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40
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|
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50
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|
|
|
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63
|
|
|
|
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80
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|
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|
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100
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|
|
|
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125
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|
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|
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160
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A 070 URD 31 KI 0160
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A 070 URD 31 LI 0160
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200
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170M4658/170M4758
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A 070 URD 31 KI 0200
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A 070 URD 31 LI 0200
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250
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170M4659/170M4759
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A 070 URD 31 KI 0250
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A 070 URD 31 LI 0250
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315
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170M4660/170M4760
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A 070 URD 31 KI 0315
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A 070 URD 31 LI 0315
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350
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170M4661/170M4761
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A 070 URD 31 KI 0350
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A 070 URD 31 LI 0350
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400
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170M4662/170M4762
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A 070 URD 31 KI 0400
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A 070 URD 31 LI 0400
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450
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170M4663/170M4763
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A 070 URD 31 KI 0450
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A 070 URD 31 LI 0450
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500
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170M4664/170M4764
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A 070 URD 31 KI 0500
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A 070 URD 31 LI 0500
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550
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170M4665/170M4765
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A 070 URD 31 KI 0550
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A 070 URD 31 LI 0550
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630
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170M4666/170M4766
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A 070 URD 31 KI 0630
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A 070 URD 31 LI 0630
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700
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170M4667/170M4767
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A 070 URD 31 KI 0700
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A 070 URD 31 LI 0700
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800
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170M4668/170M4768
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A 070 URD 31 KI 0800
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A 070 URD 31 LI 0800
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900
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170M4669/170M4769
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A 070 URD 31 KI 0900
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A 070 URD 31 LI 0900
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额定电流
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KSM2可替代如下型号
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A
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BUSSMANN
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FERRAZ
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2
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400
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170M5608/170M5758
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A 070 URD 32 KI 0400
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A 070 URD 32 LI 0400
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450
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170M5609/170M5759
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A 070 URD 32 KI 0450
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A 070 URD 32 LI 0450
|
|
500
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170M5610/170M5760
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A 070 URD 32 KI 0500
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A 070 URD 32 LI 0500
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550
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170M5611/170M5761
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A 070 URD 32 KI 0550
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A 070 URD 32 LI 0550
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|
630
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170M5612/170M5762
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A 070 URD 32 KI 0630
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A 070 URD 32 LI 0630
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700
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170M5613/170M5763
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A 070 URD 32 KI 0700
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A 070 URD 32 LI 0700
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800
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170M5614/170M5764
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A 070 URD 32 KI 0800
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A 070 URD 32 LI 0800
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900
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170M5615/170M5765
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A 070 URD 32 KI 0900
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A 070 URD 32 LI 0900
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1000
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170M5616/170M5766
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A 070 URD 32 KI 1000
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A 070 URD 32 LI 1000
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1100
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170M5617170M/5767
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A 070 URD 32 KI 1100
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A 070 URD 32 LI 1100
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1250
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170M5618/170M5768
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A 070 URD 32 KI 1250
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A 070 URD 32 LI 1250
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额定电流
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KSM3可替代如下型号
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A
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BUSSMANN
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FERRAZ
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3
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500
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170M6658/170M6758
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A 070 URD 32 KI 0500
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A 070 URD 33 LI 0500
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550
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170M6659/170M6759
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A 070 URD 33 KI 0550
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A 070 URD 33 LI 0550
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630
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170M6660/170M6760
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A 070 URD 33 KI 0630
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A 070 URD 33 LI 0630
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|
700
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170M6661/170M6761
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A 070 URD 33 KI 0700
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A 070 URD 33 LI 0700
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800
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170M6662/170M6762
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A 070 URD 33 KI 0800
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A 070 URD 33 LI 0800
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900
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170M6663/170M6763
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A 070 URD 33 KI 0900
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A 070 URD 33 LI 0900
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1000
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170M6664/170M6764
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A 070 URD 33 KI 1000
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A 070 URD 33 LI 1000
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1100
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170M6665/170M6765
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A 070 URD 33 KI 1100
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A 070 URD 33 LI 1100
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1250
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170M6666/170M6766
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A 070 URD 33 KI 1250
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A 070 URD 33 LI 1250
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1400
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170M6667/170M6767
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A 070 URD 33 KI 1400
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A 070 URD 33 LI 1400
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1500
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170M6668/170M6768
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A 070 URD 33 KI 1500
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A 070 URD 33 LI 1500
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1600
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170M6669/170M6769
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A 070 URD 33 KI 1600
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A 070 URD 33 LI 1600
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1800
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170M6670/170M6770
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A 070 URD 33 KI 1800
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A 070 URD 33 LI 1800
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2000
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170M6671/170M6771
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A 070 URD 33 KI 2000
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A 070 URD 33 LI 2000
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