| 2、机械规格 |
Mechanical Specifications |
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| 系列号 |
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说明 |
外形标准尺寸 Outline Standard Sizes(mm) |
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| Series No. |
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Description |
外径 OD |
内径 ID |
高 HT |
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| ZCT11 |
火线对地短路检测线圈 |
14+0/-0.2 |
6.7+0.2/-0 |
4.3+0/-0.2 |
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| Differential Transformer |
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| GNT12 |
零线对地短路检测线圈 |
13.7+0/-0.2 |
7.1+0.2/-0 |
4.1+0/-0.2 |
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| Grounded Neutral Transformer |
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| 3、材料规格 |
Material Specifications |
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| 名称Name |
材料 Materials |
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| 磁芯 Core |
ZCT11 |
80%Ni Permalloy 12.2×8.8×0.35×5 |
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| GNT12 |
Ferrite 13.3×7.3×4.0 |
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| 磁芯护套 Core case |
ZCT11 |
PBT 1320 E221630 |
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| 绕组 Winding |
ZCT11 |
2-UEW MW75 Φ0.08mm |
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| GNT12 |
2-UEW MW75 Φ0.1mm |
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| 4、电气规格 |
Electrical Specifications |
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| 额定初级电流Rated Primary Current 30A |
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| 耐压 Dielectrical Withstand Voltage(Hi-Pot) 2500Vrms |
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| 直流电阻DC Resistance at 25℃ |
ZCT11 47Ω±10% |
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| GNT12 6.5Ω±10% |
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| 输出电压 Output Voltage at f=50/60HZ Iin=5mA RL=1KΩ |
ZCT11 3.5~3.9mV |
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| 电感 Inductance at f=1KHZ u=0.25V |
GNT12 60mH,min |
