background image

 

EMM-R3 VA 

instruction manual 

IM425-U v2.0 

pag. 3 

 

WIRING DIAGRAM 

P1

P1

P1

P2

S1

S1

S1

S2

N

L1
L2
L3

I2

C.I.

I1

I3

S1

S2

V

L1

V

L2

V

L3

N

m

e

as

ur

e c

ur

re

nt

 in

p

ut

s

m

eas

ur

e v

ol

tag

in

pu

ts

on lines with 3 wires (without neutral or with neutral

not supplied) the N terminal must not be connected

THREE PHASE LINE 

WITH 3 OR 4 WIRES

P1

S1

S1

S2

L1
L2
L3

THREE PHASE LINE
WITH 3 WIRES AND 2 CT’s
( AARON wiring)

*the voltage wiring with 2 VT is

possible only for the version with

internal CT’s

P1

P2

S2
P2

P1

P1

P1

P2

S1

S1

S1

S2

N

L1
L2
L3

THREE PHASE LINE

WITH 4 WIRES AND 3 VT

P1

P2

S1

S2

N

L

SINGLE PHASE LINE

If the instruments are used on single phase line, the

measures are referred to the L3 phase.

Don’t consider the other data displayed regarding to 

the three phase value system.

 

LOAD

I2

C.I.

I1

I3

S1

S2

V

L1

V

L2

V

L3

N

m

eas

ur

e c

urr

e

nt

 in

pu

ts

m

e

as

ur

e v

ol

ta

ge

 in

p

ut

s

EMM-R3VA

I2

C.I.

I1

I3

S1

S2

V

L1

V

L2

V

L3

N

m

e

as

u

re

 c

u

rr

en

t i

n

pu

ts

m

e

as

u

re

 v

o

ltag

in

p

ut

s

I2

C.I.

I1

I3

S1

S2

V

L1

V

L2

V

L3

N

m

eas

ur

e c

u

rr

en

t i

n

pu

ts

m

eas

ur

e v

o

lta

g

e i

n

pu

ts

*

EMM-R3VA

LOAD

EMM-R3VA

LOAD

EMM-R3VA

LOAD

Summary of Contents for EMM-R3 VA

Page 1: ...of all in one for electrical boards switch boards and Gen Sets AVAILABLE MODELS Several models with various optional functions and outputs are available either for flush mounting on front panel and fo...

Page 2: ...70V phase neutral L2 L3 phase to phase power supply 110V 85 145V phase to phase 50 85V phase neutral 230V 300 500V phase to phase 175 290V phase neutral L3 N phase neutral power supply 110V 175 290V p...

Page 3: ...le only for the version with internal CT s P1 P2 S2 P2 P1 P1 P1 P2 S1 S1 S1 S2 N L1 L2 L3 THREE PHASE LINE WITH 4 WIRES AND 3 VT P1 P2 S1 S2 N L SINGLE PHASE LINE If the instruments are used on single...

Page 4: ...alise on display E C LED s for indicating the measures visualised on display E and the eventual multiplier factor of each parameter reading k kilo x1000 D LED for indicating the visualisation of the m...

Page 5: ...cturer considered as the rate between primary and secondary example with VT 15 o 1 kV the value will be 150 In the same way as programming the CT s rate it will be possible to set this value If extern...

Page 6: ...ellation of the peak values Enter in programming mode SETUP press the key B until the message reset appears on the display E then press the key A and the message RES ALL no will appear on display E By...

Page 7: ...isplay with red LED of 10 mm each made of 3 digits of 7 segments 2 keys for selection of measures and programming Mechanical Protection degree IP52 frontal IP20 enclosure and terminals weight approx 0...

Page 8: ...EMM R3 VA instruction manual IM425 U v2 0 pag 8...

Reviews: