Safety instructions
10/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9 
 
                                                                                                                                                                       
5 Qualified personnel
Qualified personnel in accordance with these instructions are persons who are familiar with 
transport, installation, commissioning, maintenance and operation of the product and have 
appropriate qualifications for their work, as e.g.:
• Training and instruction or authorization to switch on, switch off, earth and identify power 
circuits and equipment / systems as per the relevant safety standards.
• Instruction regarding the applicable specifications for the prevention of accidents and 
the care and use of appropriate safety equipment.
• Training in first aid and behavior in the event of possible accidents.
Medium-voltage switchgear type 8DA10 must be installed by certified personnel with 
supervisor status.
To get the required certificate, the personnel must have taken part successfully in a training 
for assembly and installation of Siemens gas-insulated medium-voltage switchgear type 
8DA10 at the Siemens Switchgear Factory Frankfurt.
This installation training provides detailed information about transport, design, installation 
and operation of 8DA10 medium-voltage switchgear. After successful participation, the 
participants get a certificate signed by the trainer. 
The certificate becomes valid:
• After first installation of switchgear type 8DA10 under supervision of a certified senior 
supervisor and his signature on the certificate, and
• after proof in form of an installation record for the Siemens Switchgear Factory Frankfurt 
am Main.
After having been issued by the Siemens Switchgear Factory Frankfurt am Main, the 
certificate is valid for three years. The owner of the certificate commits himself to prove his 
received qualification by means of installation records, and to extend the certificate in due 
time. 
In case of important constructional modifications of the medium-voltage switchgear type 
8DA10, the owner of the certificate is further obliged to participate in a refresher training to 
extend the certificate.
Certified personnel Certified personnel in the sense of these operating instructions are persons who own 
a valid installation certificate for medium-voltage switchgear type 8DA10. 
Supervisor Supervisor in the sense of these operating instructions are persons who own a valid 
installation certificate for medium-voltage switchgear type 8DA10, and who have 
installed medium-voltage switchgear type 8DA10 at least once on their own. Moreover, 
the supervisor is entitled to give instructions about the installation of the medium-
voltage switchgear 8DA10 to other personnel.
Senior Supervisor Senior supervisor in the sense of these operating instructions are persons who own 
a valid installation certificate for medium-voltage switchgear 8DA10, and who have 
installed medium-voltage switchgear type 8DA10 at least four times on their own.
The senior supervisor is further entitled to:
• Give instructions on the installation of the medium-voltage switchgear 8DA10 to 
other personnel
• Sign an installation certificate in order to confirm its validity