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Victron energy MultiPlus Compact 12/2000/80-50 120V Handleiding pagina 53

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4.3 Connection of the AC cabling
This is a Safety Class I product (supplied with a protective grounding
terminal). Uninterruptible protective grounding must be provided
at the AC input and/or output terminals and/or chassis grounding
point located externally on the product.
The MultiPlus is provided with a ground relay (relay H, see appendix
B) that automatically connects the Neutral output to the chassis if
no external AC supply is available. If an external AC supply is
provided, the ground relay H will open before the input safety relay
closes. This ensures the correct operation of an earth leakage circuit
breaker that is connected to the output.
In a fixed installation, an uninterruptable grounding can be
secured by means of the grounding wire of the AC input.
Otherwise the casing must be grounded.
In a mobile installation (for example, with a shore current plug),
interrupting the shore connection will simultaneously disconnect
the grounding connection. In that case, the casing must be
connected to the chassis (of the vehicle) or to the hull or
grounding plate (of the boat).
In case of a boat, direct connection to the shore ground is not
recommended because of potential galvanic corrosion. The solution to
this is using an isolation transformer.
The mains -input & output terminal connector can be found on the bottom of the Multi
Compact, see appendix A.
AC-in
The AC input must be protected by a fuse or magnetic circuit breaker rated
at 30A or less, and cable cross-section must be sized accordingly. If the input
AC supply is rated at a lower value, the fuse or magnetic circuit breaker should be
down sized accordingly.
AC-out
With its PowerAssist feature the Multi can add up to 2kVA (that is 2000 / 230 = 9A)
to the output during periods of peak power requirement. Together with a maximum
input current of 30A this means that the output can supply up to 30 + 9 = 39A.
An earth leakage circuit breaker and a fuse or circuit breaker rated to support
the expected load must be included in series with the output, and cable cross-section
must be sized accordingly. The maximum rating of the fuse or circuit
breaker is 40A.
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