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AC Voltage Protection Relay

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Update Terakhir
21 Sep 2021
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Electronik

Spesifikasi AC Voltage Protection Relay


The DUV-R monitors under voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 115V to 88V

200VAC – 210V to 160V

380VAC – 399V to 304V

415VAC – 436V to 332V

480VAC – 504V to 384V

The relay trips if the voltage of the monitored mains drops below the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference.

The DUV-R trips instantly. It has one tripping change-over contacts 11-14-12.

Contacts 11-14 close for normal conditions and open for under voltage or no supply conditions.



 



The DUV-D monitors under voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 115V to 88V

200VAC – 210V to 160V

380VAC – 399V to 304V

415VAC – 436V to 332V

480VAC – 504V to 384V

The relay trips if the voltage of the monitored mains drops below the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference. The DUV-D has an adjustable

tripping delay from 0-10 sec. It has only one set of tripping change-over contacts 11-14-12.

Contacts 11-14 close for normal conditions and open for under voltage or no supply conditions.



The DUV-2R monitors under voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 115V to 88V

200VAC – 210V to 160V

380VAC – 399V to 304V

415VAC – 436V to 332V

480VAC – 504V to 384V

The relay trips if the voltage of the monitored mains drops below the preset point.

The DUV-2R trips instantly. It has two tripping change-over contacts 11-14-12 and 21-24-22.

Contacts 11-14 and 21-24 close for normal conditions and open for under voltage or no supply conditions.



The DUV-2D monitors under voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 115V to 88V

200VAC – 210V to 160V

380VAC – 399V to 304V

415VAC – 436V to 332V

440VAC – 462V to 352V

480VAC – 504V to 384V

The relay trips if the voltage of the monitored mains drops below the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference. The DUV-2D has an adjustable

tripping delay from 0-10 sec. It has two tripping change-over contacts 11-14-12 and 21-24-22.

Contacts 11-14 and 21-24 close for normal conditions and open for under voltage or no supply conditions.



The DOV-R monitors over-voltage of balanced 3-phase 3-wire mains. It has an adjustable setting

110VAC – 105V to 132V

200VAC – 190V to 240V

380VAC – 361V to 456V

415VAC – 394V to 498V

480VAC – 456V to 576V

The relay trips if the voltage of the monitored mains rises above the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference.

The DOV-R trips instantly. Contacts 11-14 close for normal conditions and open for over voltage or no supply

conditions.



The DOV-D monitors over voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 105V to 132V

200VAC – 190V to 240V

380VAC – 361V to 456V

415VAC – 394V to 498V

480VAC – 456V to 576V

The relay trips if the voltage of the monitored mains rises above the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference.

The DOV-D has an adjustable tripping delay from 0-10 sec. It has only one set of tripping change-over contacts

11-14-12. Contacts 11-14 close for normal conditions and open for over voltage or no supply conditions.



The DOV-2R monitors over voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 105V to 132V

200VAC – 190V to 240V

380VAC – 361V to 456V

415VAC – 394V to 498V

480VAC – 456V to 576V

The relay trips if the voltage of the monitored mains rises above the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference.

The DOV-2R trips instantly. It has two tripping change-over contacts 11-14-12 and 21-24-22. Contacts 11-14 and

21-24 close for normal conditions and open for over voltage or no supply conditions.



The DOV-2D monitors over-voltage of balanced 3-phase 3-wire mains. It has an adjustable setting of

110VAC – 105V to 132V

200VAC – 190V to 240V

380VAC – 361V to 456V

415VAC – 394V to 498V

480VAC – 456V to 576V

The relay trips if the voltage of the monitored mains rises above the preset point. If the mains voltages are

unbalanced it will take the sum of the three individual phase voltages as reference.

The DOV-2D has an adjustable tripping delay from 0-10 sec. It has two tripping change-over contacts 11-14-12

and 21-24-22. Contacts 11-14 and 21-24 close for normal conditions and open for over voltage or no supply

conditions



The DUOV-R monitors under and over-voltage of balanced 3-phase 3-wire mains. The relay trips if the voltage of

the monitored mains drops below or rises above the respective preset points. If the mains voltages are unbalanced

it will take the sum of the three individual phase voltages as reference.

There are 2 separate sets of contacts; one for under voltage (11-14-12) and one for over voltage (21-24-22) trip

controls.

There are also 2 amber LEDs to indicate the normal condition. For under or over voltage trip condition, the

corresponding LED will go off and the corresponding relay will de-energize.



Supply Voltage 3-Ph 3-Wire      Under Voltage Over Voltage



110 V ------------------------------->115V to 88V 105V to 132V

200 V ------------------------------->210V to 160V 190V to 240V

380 V ------------------------------->399V to 304V 361V to 456V

415 V ------------------------------->436V to 332V 394V to 498V

480 V ------------------------------->504V to 384V 456V to 576V



 


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