Schneider Electric iEM3300 Indoor Furnishings User Manual


 
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
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
NN L3L2’L2L1’L1 L3’
L3
N
277 V L-N
480 V L-L
L1
L2
NN L3L2’L2L1’L1 L3’
L3
N
277 V L-N
480 V L-L
NN L3L2’L2L1’L1 L3’
V1V2V3Vn
(I1) (I3)(I2)
S1 S2
277 V L-N