MX809B
DANGER
If the measurement module is damaged, operated with
out being acclimatized, or incorrectly stored or trans
ported, the protection provided by the measurement
module may be impaired.
2.9
Qualified personnel
Qualified persons means persons entrusted with the
installation, fitting, commissioning and operation of the
product who possess the appropriate qualifications for
their function.
S For measurements covered by the low voltage direc
tive, the measurement module must only be con
nected by a skilled electrician, or by someone with
electrical training under the supervision of a skilled
electrician. (A skilled electrician is someone whose
technical training, know-how and experience, as well
as knowledge of the relevant requirements, allows
them to assess the work assigned to them and to rec
ognize potential risks, and who has been designated a
skilled electrician by the contractor).
DANGER
Personnel who are not sufficiently qualified are particu
larly exposed to the risk related to electric shock, arc
flash burn, arc blast explosion and other phenomena.
A3757-2.2 HBM: public
Safety instructions
17