ABB RELION REB500 Engineering Manual page 16

Distributed busbar protection

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Section 2

Safety information

Whenever changes are made in the IEDs, measures should be taken to avoid

inadvertent tripping.

The IEDs contain components which are sensitive to electrostatic discharge.

Unnecessary touch of electronic components must therefore be avoided.

Take care never to open the secondary circuits of CTs conducting current.

There is a danger of contact with live parts when opening REB500 cubicle doors.

Electrostatic discharge can destroy components in the equipment.

Other safety instructions pertaining to particular operations are contained in the

respective chapters of the operating instructions.

1MRK 511 452-UUS Rev. A

Distributed busbar protection REB500

Engineering manual

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