1．Features:

① External core -through busbar , the number of turns of the busbar can be selected by the user, and the printed circuit board is directly soldered and installed;

② Small size , large via hole, high precision, beautiful appearance ;

③ 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 Insulation resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 6000V 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

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

① Outline drawing and installation dimensions are shown in Figure 1:

② The coil diagram is shown in Figure 2:

7. Typical Application and Performance Parameters:

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

Table 1:

② When the sampling voltage is obtained by the IC method ( see Figure 4 ) , the performance parameters are shown in Table 2 .

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.