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8
Technical Data
MN019001EN
Effective November 2015
Bussmann series
PV Combiner box
EATON
www.eaton.com
NOTICE
Maintaining the IP rating
Eaton’s Bussmann series combiner box is IP 65 rated, please do
not tamper with or change any of the seals, IP68 rated glands,
IP66 rated breather drain or IP67 rated MC4 connectors where
these are installed. If MC4 connectors are installed, the IP rating is
lowered to IP20 whilst disconnected. Therefore, these must only
be disconnected when necessary.
Eaton assumes no liability for lack of ingress protection due
to disconnected MC4 connectors after initial installation.
Any door or cover used has an IP65 seal in order to maintain the
IP ingress of the box. This seal must not be damaged or altered
in anyway. If an external switch disconnect handle is fitted, it has
been done so with an IP65 rated seal. Do not remove or replace
the switch handle as this will compromise the IP rating of the
combiner box.
Please ensure that the enclosure edge is clear of obstruction
before closing the door or cover.
Where P55 rated vents and or air filters are present in the product
please regularly check and maintain any seals and filters to ensure
correct IP rating and necessary airflow.
It is the end user responsibility to determine the necessary
frequency to check and maintain any IP rating seals and/or air
filters dependant on the environment in which the product is
installed. Eaton assumes no liability for the lack of appropriate
user maintenance measures.
IP65 rated seals
IP55 rated Air Filter present on side of the enclosure
m
DANGER!
Handle operation
The switch handle may be either contained internally or externally
to the enclosure.
When the switch handle is located within the enclosure (inter-
nally), a key is required to unlock and open the enclosure door or
cover. All internal conductive parts are shielded so that the switch
can be safely turned off with minimal risk to the operator. These
shields must not be removed or tampered with, and are rated to
IP20. Failure to adhere to this warning could cause an accident
resulting in serious injury or death. It is a requirement that all live
internals are shielded for safety purposes.
Where an external handle is present, an interlocking system is in
place so that the enclosure cannot be opened whilst the combiner
box is on. Any attempts to override this system are done so at the
users own risk, as per interlocking door and switch, page 10.
The handle must be in the off position before the combiner box may
be opened, using the supplied key. The handle is off in the vertical
position, and the horizontal position when the system is on.
Figure 2. Switch handle positions