1．Features:

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

② Input and output ratios are adjustable, easy to use and flexible;

③ 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: 2KV 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

6．Outline Drawing, Installation Dimension and Coil Diagram: ( tolerance ± 0.3mm) 

7. Typical Application and Technical Parameters:

① When the sampling voltage is directly obtained by the resistance method ( Figure 2 ) , the performance parameters are shown in Table 1;

② When the sampling voltage is obtained by the IC method ( Figure 3 ) , 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.