Hardware Manual
SAFEONE DNSR-2R Time Delay Relay
8
2 Safety
2.1.3
Hazard symbols
Note
The warning symbol may be present alongside another hazard symbol that represents
the type of hazard, in order to attract the reader's attention.
Hazard symbols are indicated by a triangular symbol in the context of warnings. The following
hazard symbols are used in this documentation:
Electric shock – dangerous voltage!
2.2
Qualification of personnel
DINA Elektronik GmbH distinguishes between specialist staff with different qualifications when
it comes to carrying out work on the product. The minimum required qualifications are specified
for each task and are defined as follows:
2.2.1
Electrician
Specialist who installs, maintains and repairs the electrical system in the product. A specialist is
a person whose specialist training means that they have the knowledge and experience, includ-
ing knowledge of relevant regulations, necessary to assess the work assigned to them and the
potential hazards.
Note
When evaluating a person’s specialist training, multiple years of work in the relevant field may
also be taken into account.
R
DIN VDE 1000-10 Requirements for persons working in a field of electrical engineering
2.2.2
Electrical designers
Specialists who design the electrical system and the product. A specialist is a person whose
specialist training means that they have the knowledge and experience, including knowledge of
relevant regulations, necessary to assess the work assigned to them and the potential hazards.
Note
When evaluating a person’s specialist training, multiple years of work in the relevant field may
also be taken into account.
R
DIN VDE 1000-10 Requirements for persons working in a field of electrical engineering
