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Detectors >
Voltage presence
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Three-phase voltage presence surveillance relays, with front signalling and outlet contacts.
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Connected to warning signal insulators, it detects the presence of three-phase or single phase voltage, indicating both in the front panel and its outlet contacts (4 switchings) which are the phases without voltage. It has three red lamps on its front panel that light up if their is voltage in HV, on pressing the corresponding button.
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VU-3 Catalogue
Manual
Mounting and Transporting Instructions
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General Catalogue
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Connected to capacitive whips of the M.V. cell wall bushings allows for knowing the presence of voltage in each of the phases. Its green front luminous indication indicates the absence of voltage. It has 5 NO contacts that provide information of the presence of voltage per phase and three-phase.
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RPT Catalogue
Manual
Mounting and Transporting Instructions
General Catalogue
RPT-I
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