1. Ua, Ub, Uc are the signal collection of the three phase voltages, and Un is the ground terminal;
2. U0+ and U0- are the positive and negative poles of the zero sequence voltage signal respectively;
3. The shielded wire Ucom needs to be grounded;
4. The output line of the power-taking device is directly connected to the power-taking module, and
the interface is insulated;
5. The product is equipped with the whole set, and it has been debugged at the factory, and it can
be tested directly in the air;
6. Pay attention to the whole set of supporting use, confusion may affect the factory precision;
+8613652663840
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