Wiring the installation backplane – Lenze E94AZPP User Manual

Page 47

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Wiring the installation backplane

Important notes

5

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47

EDK94ZPP0364 DE/EN/FR/ES/IT 2.1

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Stop!

No device protection if the mains voltage is too high

The mains input is not internally fused.
Possible consequences:

ƒ

Destruction of the device if the mains voltage is too high.

Protective measures:

ƒ

Observe the maximally permissible mains voltage.

ƒ

Fuse the device correctly on the supply side against mains
fluctuations and voltage peaks.

}

Danger!

Device damage

The installation backplane can be damaged by current overload.
Possible consequences:

ƒ

Damage of the DC−bus installation

Protective measures:

ƒ

The maximum currents must not be exceeded:
– Current load of the conductors in the installation backplane:

57 A

– Current load of the terminal X111 (right part, +UG/−UG): 50 A

ƒ

In DC−bus systems, currents from drives in generator and motor
mode must be considered in the calculation.

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