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2 residual hazards, Residual hazards, Safety instructions – Lenze E94ARNE User Manual

Page 42

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Safety instructions

Residual hazards

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EDK94ARN24 DE/EN/FR/ES/IT 2.1

Disposal

Recycle metal and plastic materials. Ensure professional disposal of assembled PCBs.

The product−specific safety and application notes given in these instructions must be
observed!

2.2

Residual hazards

Protection of persons

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Before working on the power supply module, check that all power terminals are
deenergised
– because the power terminals L1, L2, L3, +UG, −UG, Rb1, Rb2, X109 and X110 carry

hazardous voltages for at least 3 minutes after mains disconnection.

– because the power terminals carry hazardous voltages even when only the mains

voltage is applied.

Device protection

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Connect/disconnect all pluggable terminals only in deenergised condition!

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Detach the power supply modules from their installation backplanes only in
deenergised condition!

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The unit only functions properly when the 24 V supply is switched on!