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Instruction Manuals



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SEL-487B-1 Bus Differential and Breaker Failure Relay and SEL-400 Series Relays
Date Posted: 20210325 Date Code: 20210209
SEL-487B-2 Bus Differential and Breaker Failure Relay With Sampled Values and SEL-400 Series Relays
Date Posted: 20210325 Date Code: 20210209
SEL-487B-1 Bus Differential and Breaker Failure Relay
Date Posted: 20210113 Date Code: 20201204
SEL-487B-2 Bus Differential and Breaker Failure Relay With Sampled Values
Date Posted: 20210113 Date Code: 20201204
Legacy SEL-487B-0 Relay
Date Posted: 20190326 Date Code: 20190325
Legacy SEL-487B-0 Relay Applications Handbook
Date Posted: 20190403 Date Code: 20190325
Legacy SEL-487B-0 Relay Reference Manual
Date Posted: 20190403 Date Code: 20190325
Legacy SEL-487B-0 Relay User's Guide
Date Posted: 20190403 Date Code: 20190325