7400 Series UPS User Manual Chapter 3 - Installation Procedure
Single Module and One plus One Systems Connecting the UPS power cables
6310018a.02.doc
3-17
Issue 2
(02/98) LCA 10/01
Power cables are connected either directly to their respective circuit
breakers, or to busbars which are themselves connected to the circuit
breakers see figures 3-8 to 3-12.
Note: If the installation includes the use of optional Input Filter Cabinets
refer immediately to the Options Chapter, Where these cabinets are fully
described. The inclusion of these cabinets in the system affects the
method of connecting the UPS power cables given below.
The safety earth busbars are located near the input and output power
supply connections as shown in the
following diagrams. The safety cable must be connected to the earth
busbar bonded to each module cabinet.
All cabinets and cable trunking should be earthed in accordance with
local regulations.
WARNING
FAILURE TO FOLLOW ADEQUATE EARTHING PROCEDURES CAN RESULT IN
ELECTRIC SHOCK HAZARD TO PERSONNEL, OR THE RISK OF FIRE, SHOULD
AN EARTH FAULT OCCUR.
3.4.3 Cable connections
3.4.4 Safety earth
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