Connect The Control Transformer - Siemens Milltronics MWL Weight Lifter Operating Instructions Manual

5.3.2

Connect the control transformer

MWL (electronic version) comes with the H1 (common) connection from the control transformer
to the input fuse block already made. Refer to the table and diagram below to determine which
terminal on the control transformer to connect as the second primary lead. Refer to the
connection diagram (Page 29) for more details, if necessary.
CAUTION
Failure to connect the second primary lead on the control transformer correctly may result
in damage to the components of the control panel.
SIEMENS ENERGY AND AUTOMATION
MT150L TRANSFORMER
Power supply
208 - 240 V
380 - 420 V
440 - 480 V
500 - 600 V
CAUTION
Fuses have been supplied with the control panel for all configurations of supply voltage.
Install fuses as follows:
 Class CC ATDR1 (600 V, 1.0 A) fuse across terminals X1 - XF of the Secondary of the
 Class CC ATDR4 (600 V, 4.0 A) fuse for 220-240/380-420/440-480 V 3-phase supply
 Class CC ATDR2-1/2 (600 V, 2.5 A) fuse for 500-600 V 3-phase supply.
Milltronics MWL Weight Lifter
Operating Instructions, 11/2011, 7ML19985CR03-03
H1 H2 H3
H1 H2
416V
240V 220V
400V
230V 208V
380V
MT150L control transformer.
OR
H4 H5 --
H3 H4 H5
600V
575V
480V
550V
460V
440V 500V
Control transformer connection
H2
H3
H4
H5
Connecting
5.3 Connection procedure
31