This video will show you how to look at the manufacturer’s instruction manual to understand how that element is supposed to operate. We also added some tips that show you how you can convert logic diagrams into schematics that any relay tester should understand.
SEL-351 50-Instantaneous/Definite Time Overcurrent Element
SEL-351 51-Time Inverse Overcurrent Element
GE and Siemens
You can download the ABB Technical Manual Here
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