RADWAG ZRi02 power supplier - Manual (Page 5)

EXI-02-03-06-14-GB - 5 -
3.1. Safety analysis
RADWAG as a manufacturer, guarantees intrinsic safety of the device and
compliance with PN-EN 60079-0 and PN-EN 60079-11 standard.
• Maximal output power (Po) is lower than 0,52W
• Some outlined soldering points are the subject of detailed
monitoring.
• The mains power transformer with a thermal fuse protecting the
primary winding complies with: PN-EN 60079-11
• Resistor limiting current
• Zener barrier limiting the voltage in the intrinsic safety circuit.
• Complying with requirements while designing the PCB as far as
length, width and clearance between tracks.
• Using appropriate materials for mechanical construction.
4. OPERATION – THE MANUAL
4.1. Connecting to the supplier
1. Place the power supplier outside the hazardous area
2. Connect the plug to the socket in the indicator. (Socked marked as
DC IN).
3. Plug to the mains (230V AC)
4. In case of not using the device unplug from the mains (230V AC)