Schneider Electric iEM3200 Manuale Utente
iEM3100 / iEM3200 / iEM3300 series user manual
Hardware and installation
DOCA0005EN-04
29
5 A / 1 A meter wiring
Single-phase systems with CTs
250 mA fuses and disconnect switch
Shorting block
3PH4W
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Do not connect N’ to the load when setting the wiring type on the meter to 1PH4W Multi L-N.
Failure to follow these instructions will result in death or serious injury.
Power system
Wiring
1PH multiple loads with neutral (1PH4W Multi L-N)
1
1
The 1PH4W Multi L-N wiring type is only available on the iEM3335, iEM3350, iEM3355, iEM3365 and iEM3375.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Never short the secondary of a voltage transformer (VT).
• Never open circuit a current transformer (CT); use the shorting block to short circuit the leads of
• Never open circuit a current transformer (CT); use the shorting block to short circuit the leads of
the CT before removing the connection from the meter.
• Always use grounded external CTs for current inputs.
Failure to follow these instructions will result in death or serious injury.
Power system
Wiring
1PH2W L-N
Power system
Wiring
L1
L2
L2
N
N’
L3
L2’
L2
L1’
L1
L3’
L3
N
N
≤277 V L-N
≤480 V L-L
L1
L2
L2
N
N’
L3
L2’
L2
L1’
L1
L3’
L3
N
N
≤277 V L-N
≤480 V L-L
N
N’
L3
L2’
L2
L1’
L1
L3’
V1 V2 V3Vn
(I1)
(I3)
(I2)
S1
S2
≤277 V L-N