Thursday, July 30, 2026

TEST-901D CT Ratio & Polarity Test Wiring Diagram

 This wiring diagram shows the standard connection method for TEST-901D 1000A Primary Current Injection Test Set to perform CT ratio and polarity tests. It clearly defines the wiring terminals (P1/P2 for primary current output, S1/S2 for secondary current measurement), helping users complete correct and safe wiring quickly. With this diagram, you can easily carry out accurate CT ratio calculation, polarity verification and primary current injection tests on site.

For more information about our products, please visit our official website: https://www.gfuvegroup.com/primary-injection-test-equipment/1000A-primary-current-injection-test-equipment.html


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