Connect the Power Cables in the Input Transformer Cabinet in a Single Mains System
NOTE: Route the input cables, load cables, and DC cables separately to avoid EMC disturbance.
NOTE: Route the power cables in front of the horizontal bracket in the top or bottom of
the input transformer cabinet to ensure correct separation from the transformer.
- Route the equipment grounding conductor through the top or bottom of the input transformer cabinet. Connect the equipment grounding conductor to the ground busbar in the input transformer cabinet.
-
Route the input cables through the top or bottom of the input transformer cabinet
and connect the input cables (L1, L2, L3, N) to the 600 V input busbars in the input
transformer cabinet.
Front View of Input Transformer Cabinet and UPS – Top Cable Entry
Front View of Input Transformer Cabinet and UPS – Bottom Cable Entry
- Connect the provided UPS input cables (L1, L2, L3, N) to the UPS input busbars in the input transformer cabinet.
- Route the UPS input cables through the cable entry opening in the left side of the input transformer cabinet and into the UPS.
-
Perform one of the following:
- For top cable entry: Route the output cables and the DC cables through the top of the input transformer cabinet and through the cable entry opening in the left side of the input transformer cabinet and into the UPS.
- For bottom cable entry: Route the output cables and the DC cables through the bottom of the UPS.
- Fasten the power cables to the horizontal bracket in the top or bottom of the input transformer cabinet with cable ties.
- Follow the UPS installation manual to connect the UPS input cables, the DC cables, and the output cables in the UPS.