Lenze MDFQA - Handbuch (Seite 23)

Electrical installation
Important notes
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ASPL 33.0007 DE/EN 1.0 23
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H1_E_INST−fuss_elektr.typenschild
4 Electrical installation
Important notes
ƒ Carry out the electrical installation according to the relevant regulations (like cable
cross−sections, fusing, connection to the PE conductor). Additional notes can be
found in the detailed operating instructions.
ƒ For the connection, the following has to be observed:
– A safe PE connection has to be established,
– The specified clearances between bare live parts among each other and against
earth must be observed.
– The terminal box has to be free of foreign bodies, dirt, and humidity.
Design including a connector
For the motor connection, the use of Lenze system cables is recommended.
(
Stop!
ƒ Tighten the coupling ring of the connector.
ƒ If plugs without SpeedTec bayonet nut connectors are used, the connector
boxes for the power / encoder / fan connections must be secured by
O−rings if loadings by vibration occur:
– M17 connector box with O−ring 15 x 1.3 mm
– M23 connector box with O−ring 18 x 1.5 mm
– M40 connector box with O−ring 27 x 4.0 mm
ƒ Never disconnect plugs when voltage is being applied! Otherwise, the
plugs could be destroyed! Inhibit the controller before disconnecting the
plugs!
)
Note!
Plug−in connectors (plug/connector box) with SpeedTec bayonet nut
connectors are vibration−proof.