Schneider Electric E4800 Manual De Usuario
PowerLogic
TM
EM4800 Series
930-110-01-B.00
Installation
04/2011
© 201
Schneider Electric All Rights Reserved
22
Figure 13: PowerLogic EM4880 mA current transformer
Installing the CTs on the PowerLogic EM4833 and PowerLogic EM4880
Do not apply power until you have made these connections and followed all
of the instructions below:
of the instructions below:
•
Connect all CTs to the appropriate circuits
•
Connect the CTs to the cables
•
Connect the cables to the PowerLogic EM4800 meter
To install the mA current transformers on the PowerLogic EM4880 or the
0.333V current transformers on the PowerLogic EM4833, follow these steps:
0.333V current transformers on the PowerLogic EM4833, follow these steps:
2
3
1
5
4
H1
Legend:
1 Source
2 Energy flow
3 Load
4 X1
5 X2
1 Source
2 Energy flow
3 Load
4 X1
5 X2
DANGER
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
•
Turn off all power supplying this equipment before working on or
inside the equipment.
inside the equipment.
•
Always use a properly rated voltage sensing device to confirm the
power is off.
power is off.
•
NEVER open circuit a CT; use the shorting block to short circuit the
leads of the CT before removing the connection from the meter.
leads of the CT before removing the connection from the meter.
•
Do not crimp the insulation when making the wire connections.
Failure to follow these instructions will result in death or
serious injury.
serious injury.