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Proof Test - Eaton zeb XTOE Handbuch

Motorschutzrelais überlastüberwachung von ex e-motoren
Vorschau ausblenden Andere Handbücher für zeb XTOE:
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3 Installation

3.3 Proof test

3.3 Proof test
42
The overload relay shall undergo a proof test once in 12 months, if the device
is used to protect motors in a potential explosive atmosphere. The proof test
shall not be done in an application where a motor in a potential explosive
atmosphere is protected by the device.
Uninstall the device out of the application.
Ensure that the Phase DIP switch is in position ON.
Drive an AC current through two of the three main phases, which is
higher than the lowest setting mark of the overload relay. This could be
done by an adjustable current source.
The overload relay must show the following reactions:
After driving the AC current through the device, the status LED must
flash with 1 Hz (50:50).
The overload relay must trip after 10 seconds (±2 %).
After the tripping:
The auxiliary contact 95/96 is closed, the auxiliary contact 97/98 is open.
The status window of the overload relay shows an orange flag.
The status LED of the overload relay is OFF.
Press the Reset button of the overload relay.
The orange flag should disappear.
Are all reactions of the overload relay correct, is suitable for further use and
can be installed again into the application.
If one of the reactions does not occur, the overload relay shall be taken out of
operation and return to Eaton Corporation.
This could ether be done via the local contact person
http://www.eaton.de/EN/EatonDE/ProdukteundLoesungen/Electrical/
Kundensupport/AfterSalesSupport/AfterSalesSupport/index.htm
or under the following number: +49(0)1805223822
ZEB (XTOE, C440) 11/16 MN03402007Z-DE/EN www.eaton.com

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Diese Anleitung auch für:

Zeb c440

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