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User Manual
3.3.3
Cable connections
Following are the set of external power cables, which are connected to the Network Power Switch equipment –
•
Input source 1 – Line
•
Input source 2 – Line
•
Input source 1 – Neutral
•
Input source 2 – Neutral
•
Output – Line
•
Output – Neutral
•
Earthing
These cables are connected to the terminals on rear side of the equipment as shown in fig 3.2
External Cable
External Cables
3.3.4
Safety earth
The safety earth busbar is provided on the rear side of equipment .The safety earth cable must be connected to this
busbar.
FAILURE TO FOLLOW ADEQUATE EARTHING PROCEDURES CAN RESULT IN ELECTRIC
SHOCK HAZARD TO PERSONNEL, OR THE RISK OF FIRE, SHOULD AN EARTH FAULT OCCUR.
3.3.5
Protective devices
The input to Network Power Switch should be given through a 32 amp, 2pole ELCB for safe operation.
3.3.6
Cabling Procedure
The external power cables should be connected to the terminals as shown in fig 3.2. Proper termination labels are
provided near each connector for ease of cabling.
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Potential
Earthing
Free Contacts
Fig 3.2 – External Power Cables
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Input Fuse 2
Input Fuse 1
WARNING
Chapter 3 – Installation Procedure
Snap-on
Connector
Page 3-3
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