Siemens Argus 7SR21 - Typical Connection: 7 SR22 Directional OC;EF and NVD; Figure 7.2-1 7 SR22 Applied to Transformer Incomer Including HV NVD Protection

7SR21 & 7SR22 Argus Installation Guide
7.2 Typical Connection: 7SR22 Directional OC/EF and NVD
Figure 7.2-1 7SR22 Applied to Transformer Incomer Including HV NVD Protection
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