Operating Instructions – Explosion-Proof AC Motors DR63/eDR63, DVE250/280
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Connecting category 3G and 3GD motors
Electrical Installation
Size 63 – Cage clamp
With motors of size 63, the supply cables must be secured in the spring clamp terminal
strip according to the wiring diagram. Connect the protective earth to the protective con-
ductor connection so that the cable lug and housing material are separated by a washer:
Size 250/280 – Terminal board
• Perform the connection in accordance with the enclosed wiring diagram
• Check cable cross section
• Arrange terminal links correctly
• Screw on the connections and the PE conductor correctly
• In the terminal box: Check winding connections and tighten them if necessary
connection connection PE connection
Arrangement of terminal links for connection
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