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ABB REL 551 2.3 Series - Page 39

ABB REL 551 2.3 Series
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33
About this chapter &KDSWHU
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This chapter describes what to check and which checks that should be made to ensure
a correct connection to the external circuitry, such as auxiliary power supply, CT’s and
VT’s. These checks must be made with the protection terminal de-energised.

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