互感器有电流互感器、电流变换器、脉冲电流互感器、三相电流互感器、电压互感器,电压变换器,还有电压、电流通用互感器。既可用作交流电流、电压的监测,也可用作继电保护。
0.1-2.5A精密电流互感器选型表:
额定 输入/输出电流 | 产品型号 | 额定 采样电阻 | 额定 采样电压 | 非线性度 | 耐压 (kV) | 结构形式 | 外形尺寸 L×W×H (mm3) | 重量 (g) |
电阻法 | 运放法 |
0.1A/2.5mA | TA1015-3 | 200Ω | 0.5V | ≤0.2% | ≤0.1% | ≥2 | 母线内置,焊接安装 | 19.5×17.5×19 | 15 |
TA1015-3M | 250Ω | 0.625V | ≤0.25% | ≤0.1% |
0.5A/5mA | TA1013-3Z | 100Ω | 0.5V | ≤0.2% | ≤0.1% | 19.5×18×19 | 15 |
TA1013-3ZM | 125Ω | 0.625V | ≤0.25% | ≤0.1% |
1A/0.1A | TA2031-1 | 30Ω | 3V | ≤0.5% | - | 端子引出,底板安装 | 63×45×41.5 | 120 |
1.25A/2.5mA | TA1013-2Z | 300Ω | 0.75V | ≤0.2% | ≤0.1% | 母线内置,焊接安装 | 19.5×18×19 | 15 |
TA1013-2ZM | 380Ω | 0.95V | ≤0.25% | ≤0.1% |
2A/2mA | TA1013-1Z | 200Ω | 0.4V | ≤0.2% | ≤0.1% |
TA1013-1ZM | 250Ω | 0.5V | ≤0.25% | ≤0.1% |
1.5A/5mA | TA1520-1M | 5Ω | 0.025V | ≤0.1% | - | 29.5×29.5×26.2 | 40 |
10Ω | 0.05V | ≤0.1% | - |
20Ω | 0.1V | ≤0.2% | - |
40Ω | 0.2V | ≤0.5% | - |
2A/0.1A | TA2031-2 | 30Ω | 3V | ≤0.5% | — | ≥2 | 端子引出,底板安装 | 63×45×41.5 | 120 |
2.5A/1.25mA | TA1905-2 | 800Ω | 1.0V | ≤0.5% | ≤0.3% | 母线内置,焊接安装 | 21×21×17.5 | 19 |
TA1906-2 | 21×18.5×17.5 | 20 |
2.5A/2.5mA | TA1905-1 | 200Ω | 0.5V | ≤0.5% | ≤0.3% | 21×21×17.5 | 19 |
TA1906-1 | 21×18.5×17.5 | 20 |
2.5A/5mA | TA1520-2M | 5Ω | 0.025V | ≤0.1% | - | ≥2.5 | 29.5×29.5×26.2 | 55 |
10Ω | 0.05V | ≤0.1% | - |
20Ω | 0.1V | ≤0.2% | - |
40Ω | 0.2V | ≤0.5% | - |