Operating instructions i510 cabinet frequency inverter | 11
© 11/2021 · EN · www.Lenze.com
Preparation for connection to an IT system
NOTE
Internal components have ground potential
Possible consequence: The monitoring devices of the IT system will be triggered.
• Connect an isolating transformer upstream.
• Before connection to an IT system be absolutely sure to remove the screws marked on the
product with "IT".
I51AE125 ... I51AE137
I51AE155 ... I51AE222
I51BE230 ... I51BE240
I51AE230 ... I51AE311
I51BE275 ... I51BE311
TX10
TX10
TX10
TX10
TX10
Electrical installation
3-phase | 480 V
3-phase | 230/240V
3-phase | 400 V
1-phase | 230/240V
Control terminals
Relay outputConnection diagramPreparation Networks