STERLING

ZINC SAVER II Galvanic Isolator

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SVB Price: € 132,13
Inc. tax, ex. shipping.
pcs.
€ 132,13 Shipments to countries outside of the EU may be subject to import duties and taxes. Inc. tax, ex. shipping.
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Art.nr.
23404
EAN
5060068290428
Model nr.
7190-1
Omschrijving
ZINC SAVER II / 30A galvanic isolator

Product beschrijving

According to CE guideline ISO EN 13297, the shore power protective conductor (PE) must be connected to the boat's negative DC earth. This means that saildrives, motors, valves and much more are almost always automatically connected to the on-shore ground conductor. All new yachts have this connection as standard.

Galvanic damage: Due to the connection between the ground conductor and the negative DC grounding, there may be galvanic compensation currents between your vessel and a neighboring yacht, the marina or other objects in the water. This can cause bronze valves to dissolve or entire rudder systems to break down under stress. The metal, which is inferior in an electrochemical series, sacrifices itself for the higher quality metal. Ultimately, if your yacht is protected by anodes, it only makes sense to protect your anodes as well, right?

If a neighboring vessel or marina has no anodes, your anodes will be used for protection. If these are consumed or are not sufficient enough, you have a serious problem. Unexpected corrosion can then destroy the saildrive, drivetrain, valves or other components. Replacing these components is very expensive and complex.


By installing this galvanic isolator, you can reduce the wear and tear of zinc anodes, seeing as the anodes do not automatically protect the entire marina and neighboring yachts.

This unit complies with the requirements of ISO EN13297 and ISO 8846.
Dimensions: 220 x 110 x 100 mm.
Connection: 2x 6 mm threaded bolts


Notes
You will receive the 30 amp version.
We are often asked why 30 amps, as most mains faults operate the RCD on the boat, i.e. they are relatively very small.
This is true in theory, but you also have to take into account that the RCD may not trip.
In this case, a short-circuit current would run through the (green/yellow) protective earth conductor, which in the event of the largest possible fault would be protected by the circuit breaker (fuse) on the jetty.

Accordingly, this unit is calibrated in such a way that, in the event of a serious fault in the 230 V on-board system, it can discharge the (fault) rated current, in this case 30 A, to earth via the protective earth conductor for 24 hours without the heat sink temperature exceeding 90°C.

Ideally, the galvanic isolator should be installed as close as possible to the shore power commutation. The temperature of the unit is normally the same as the ambient temperature. However, the device may become hot due to a high fault current leakage caused by a serious fault in the onboard system. Therefore, mount the unit in a place that is heat-resistant, as dry as possible, well ventilated and keep at least 10 cm free space on all sides. 
Waterproof versions, e.g. the STERLING ProSave W 32A, are available for use in environments exposed to high levels of moisture/humidity. Please contact us if you have any questions! 

Note
Since the zinc saver is not "fail safe" certified - its functionality or a failure should be monitored visually or acoustically, e.g. with a shore power indication panel LAR.

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Art.nr.: 23404

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5 Stars
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4 Stars
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België
14-07-2020
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perfect and fast delivery !
easy build in, perfect
Duitsland
20-05-2022
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Macht einen soliden Eindruck
Der Preis war super gegenüber anderen Anbietern
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Italië
25-11-2021
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Consiglio l'acquisto
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Frankrijk
22-07-2019
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LIVRAISON ROUEN
LE PRODUIT EST CONFORME A MES ATTENTES PAR CONTRE LA LIVRAISON SUR ROUEN PAR DHL A ÉTÉ FASTIDIEUSE, JE VIENS DE REPASSER UNE COMMANDE VEUILLEZ PRENDRE CONTACT AVEC EUX QU'ILS SOIENT VIGILANT
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Duitsland
27-03-2019
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Duitsland
10-09-2018
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gut gespart
Den Zinc Saver hatte ich schon auf dem letzten Schiff installiert. Der Einbau ist denkbar einfach, die Wirkung beeindruckend. Brauchte ich vorher für meinen Autoprop jährlich eine neue Zinkanode (35.-) so konnte ich jetzt mit dem Tausch 4 Jahre warten und hatte den Preis des Zinc Savers wieder eingespart.
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Duitsland
24-04-2018
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Siehe oben. Danke
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