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ABB COV Series Instruction Leaflet page 20

Controlled overcurrent relay
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41-116K
Type COV Voltage
Controlled Overcurrent Relay
*Sub 3
184A471
Figure 11: Relay Types COV-6, COV-7, COV-8, COV-9 & COV-11 Voltage Controlled Overcurrent Relay,
Double Trip with Indicating Instantaneous Trip, in Type FT21 Case
20

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Cov-7Cov-6Cov-11Cov-8Cov-9