Important Notes 11
787-1668/0000-0080 Electronic Circuit Breaker
Manual
Version 1.1.0, valid from firmware 2.4.0
2.2
Safety Advice (Precautions)
For installing and operating purposes of the relevant device to your system the
following safety precautions shall be observed:
Do not work on devices while energized!
All power sources to the device shall be switched off prior to performing any
installation, repair or maintenance work.
Installation only in appropriate housings, cabinets or in electrical operation
rooms!
Always install devices of the 787 Series in enclosures, cabinets or electrical
equipment rooms which can be closed and locked. Ensure that access to this
equipment/these rooms is possible only by authorized specialists with the
appropriate key or tools.
Do not use these devices in control systems for planes, trains or nuclear
facilities!
Never use these devices in control systems for planes, trains or nuclear facilities,
as any malfunction in these applications can result in severe injuries or risk of
death!
Ensure a standard connection!
To minimize any hazardous situations resulting in personal injury or to avoid
failures in your system, the data and power supply lines shall be installed
according to standards, with careful attention given to ensuring the correct
terminal assignment. Always adhere to the EMC directives applicable to your
application.
Switch off power supply to defective device!
Switch off power supply to the device immediately if the device malfunctions or is
damaged! Control systems connected to the device may also be damaged!
Return the defective device directly to WAGO.