Connection
3.3 Mounting Power Modules
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
37
Connection example: Power Module PM240
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Figure 3-1 Connection diagram: PM240 Power Module with Brake Relay
Star connection and delta connection
With SIEMENS motors, you will see a
diagram of both connection types on
the inside of the terminal board cover:
• Star connection (Y)
• Delta connection (Δ)
The motor rating plate provides
information about the correct
connection data:
e.g.: 230/400V Δ/Y means that for a
400V line supply, the motor is
connected up in the Y connection.
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