H-System – Isolated Barriers and Termination Boards
Mounting and Installation
2023-03
19
3 Mounting and Installation
3.1 Termination Board Mounting
Danger!
Explosion hazard from damaged electronic components
Premature wear of electronic components in a device that was previously used in a general
electrical installation can cause sparks that can ignite the surrounding potentially explosive
atmosphere.
Never install devices that have already been operated in general electrical installations
in electrical installations used in combination with hazardous areas!
Danger!
Explosion hazard from pollution
An excessively polluted surface of the device can become conductive and consequently ignite
a surrounding potentially explosive atmosphere.
Ensure that you install the device only in environments with a pollution degree 2 or better
according to IEC/EN 60664–1.
Warning!
Risk of short circuit
Working on live parts can cause injuries and can compromise the function and the electrical
safety of the device.
• Before working on the device, always disconnect the supply voltage.
• Connect the device to the supply voltage only after completion of the work.
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