Schneider Electric E4800 Manual De Usuario

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 Schneider Electric All Rights Reserved

The sense voltage (A, B, C, N) provides phase voltages for metering. The 
configuration depends on the type of service being metered:

•

see “For a single-phase panel with the 120V variant of the meter:” on 
page 15

•

see “For a 208Y/120V three-phase wye panel with the 120V variant of 
the meter:” on page 16

•

see “For a 416Y/240V (or 380Y/220V) three-phase wye panel with the 
230/240V variant of the meter:” on page 17

•

see “For a 480Y/277V three-phase wye panel with the 120V variant of 
the meter:” on page 18

•

see “For a 600Y/347V or higher three-phase wye panel with potential 
transformers with the 120V variant of the meter:” on page 19

•

see “For a three-phase Delta panel with the 120V variant of the meter:” 
on page 20

The PowerLogic EM4833, EM4880 and EM4805 meters are shipped from 
the factory with a control voltage jumper that can be used to to connect the 
control voltage input and the sense voltage inputs to provide control voltage 
to the unit. The following procedures explain how to connect the sense 
voltage inputs for each of the service types.

For a single-phase panel, use a 3-wire (red, black, white), 14 AWG 
(1.63 mm

2

), 90

°C (194°F) cable. For a three-phase panel, use a 4-wire (red, 

black, blue, white), 14 AWG (1.63 mm

2

), 90

°C (194°F) cable. For a Delta 

service, use a 3-wire (red, black, blue), 14 AWG (1.63 mm

2

), 90

°C (194°F) 

cable. Metallic, flexible armored cable (BX cable) is recommended for 
commercial installations as shown in Figure 6 on page 15.

The PowerLogic meters must be connected to the sense voltage and control 
voltage through a properly rated disconnect that disconnects all line and 
neutral wires, so it can be powered down. The disconnect must be located 
within easy reach of the meter operator, and must be labeled as such. 
Opening the disconnect or breaker is the disconnect device. For multiple 
PowerLogic meter installations, the same disconnect can be used to power 
all meters, and must be labeled for all meters it supplies power to. The 
disconnect device must meet IEC 60947-1, IEC 60947-3 and/or comply with 
the local electrical code.