1．Features:

① The input coil is builtin, the printed circuit board is directly welded and installed, and the appearance is beautiful;

② Small size, high precision; fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable.

2．Ambient Conditions

① Ambient temperature: 55℃～+85℃;

② Relative humidity: ≤90% at 40℃;

③ Atmospheric pressure: 860～1060mbar(about 650～800mmHg).

3．Operating Frequency Range: 20Hz~1kHz

4．Insulation Thermal Class：Class B (130°C)

5．Safety Features:

① Dielectric resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 2000V 50Hz/1min;

③ Fire retardancy: In conformity with UL94V0.

6. Outline Drawing, Installation Dimension and Coil Diagram : ( tolerance±0.5 mm)

7．Typical Application and Technical Parameters:

① When the sampling voltage is directly obtained by the resistance method (as shown in Figure 3), the performance parameters are shown in Table 1;

② When using the IC method to obtain the sampling voltage (as shown in Figure 4), the performance parameters are shown in Table 2.

Table 1:

Table 2:

 8．Attention:

① Connect the primary winding of the current transformer in series with the measured current loop, and operate the secondary winding in near short-circuit mode.

② Do not allow the secondary winding of the current transformer to be open-circuited and do not install any fuse in the secondary circuit.