7SA ⍾ Page 1
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7SA522
Distance Protection Relay for Transmission Lines.; The SIPROTEC 4 7SA522 relay provides full-scheme distance protection and incorporates all functions usually required for the prot …
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7SA5221-4DB00-4QP4
Distance protection; housing: 1/1 x 19”; 24 x Binary Input, 20 x Binary Output, 12 x Fast Relays; Trip mode 1-and 3-pole ; Port E : empty; DC 60 V to 125 V; measuring inputs: 4 x I …
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