Dangerous electrical voltage
Hazardous voltages are present when electrical equipment is in operation.
Severe personal injury or substantial material damage may result if these warnings are not
Only qualified personnel are permitted to work on or around the equipment.
These personnel must be thoroughly familiar with all the warnings and maintenance
procedures described in these operating instructions.
The successful and safe operation of this device is dependent on correct transport, proper
storage and installation, as well as careful operation and maintenance.
National safety guidelines must be observed.
Five safety rules
When carrying out any kind of work on electrical devices, the "five safety rules" according to
EN 50110 must always be observed:
1. Disconnect the system.
2. Protect against reconnection.
3. Make sure that the equipment is de-energized.
4. Ground and short-circuit.
5. Cover or enclose adjacent components that are still live.
Use of copper cables for a UL-approved system
For a UL-approved system use 60/75°C copper conductors only.
dV/dt filter compact plus Voltage Peak Limiter
Operating Instructions, 11/2013, A5E32847614B AA