Hager Controls S.A.S., 33 rue Saint-Nicolas, B.P. 10140, 67703 SAVERNE CEDEX, France - www.hager.com
4
6LE000786A
3
6LE000786A
6LE000786A
a
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Three phase kWh meter,
measure via CT 50 to 6000A
JBUS/MODBUS communication
Manual / Auto mode selection
reset
x1 (Auto)
x2 (Manu)
MENU
Selecção modo Manual / Auto
Selección modo Manu / Auto
Selectie Manu / Auto modus
Selezione modo Manu / Auto
Anwahl Hand- / Auto-Betrieb
Manual / Auto mode selection
SÉLECTION MODE MANU / AUTO
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PROGRAMMATION
M
PROGRAMMA
PROGRAMACI
PROG
Communication address
reset
reset
x1 (002)
...
x11 (012)
...
x254 (255)
MENU
x1 (9600 bauds)
x2 (19600 bauds)
x3 (38400 bauds)
x4 (4800 bauds)
MENU
Exemplo: Addr = 012
Exemplo: bd = 19200
Ejemplo: Addr = 012
Ejemplo: bd = 19200
Voorbeeld: bd = 19200
Esempio: Addr = 012
Esempio: bd = 19200
Beispiel: Addr = 012
Beispiel: Bd = 19200
Example: Addr = 012
Example: bd = 19200
Example: Addr = 012
Exemple : Addr = 012
Example: bd = 19200
Communication speed
Kommunikationsgeschwindigkeit
Velocita di comunicazione
Communicatiesnelheid
Velocidad de comunicación
Velocidade de comunicação
Communication address
Kommunikationsadresse
ADRESSE DE COMMUNICATION
VITESSE DE COMMUNICATION
Indirizzo di comunicazione
Het communicatieadres
Dirección de comunicación
Endereço da comunicação
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PROG
PROG
Communication speed
reset
reset
x1 (002)
...
x11 (012)
...
x254 (255)
MENU
x1 (9600 bauds)
x2 (19600 bauds)
x3 (38400 bauds)
x4 (4800 bauds)
MENU
Exemplo: Addr = 012
Exemplo: bd = 19200
Ejemplo: Addr = 012
Ejemplo: bd = 19200
Voorbeeld: bd = 19200
Esempio: Addr = 012
Esempio: bd = 19200
Beispiel: Addr = 012
Beispiel: Bd = 19200
Example: Addr = 012
Example: bd = 19200
Example: Addr = 012
Exemple : Addr = 012
Example: bd = 19200
Communication speed
Kommunikationsgeschwindigkeit
Velocita di comunicazione
Communicatiesnelheid
Velocidad de comunicación
Velocidade de comunicação
Communication address
Kommunikationsadresse
ADRESSE DE COMMUNICATION
VITESSE DE COMMUNICATION
Indirizzo di comunicazione
Het communicatieadres
Dirección de comunicación
Endereço da comunicação
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PROG
PROG
Communication parity
in manual mode only
reset
reset
x1 (odd)
x2 (even)
x3 (no)
MENU
x1 (STOP 2)
x2 (STOP 1)
MENU
Example : Par = odd
Example : StOP = 2
Communication Stop bit
Stoppbits
PARITÉ DE COMMUNICATION
BIT DE STOP DE COMMUNICATION
Bit di stop di comunicazione
Communicatie-stopbit
Bit de parada de comunicación
Bit de stop de comunicação
Communication parity
Parität
Parità de comunicazione
Communicatiepariteit
Paridad de comunicación
Paridade de comunicação
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PROG
PROG
Communication Stop bit
reset
reset
x1 (odd)
x2 (even)
x3 (no)
MENU
x1 (STOP 2)
x2 (STOP 1)
MENU
Example : Par = odd
Example : StOP = 2
Communication Stop bit
Stoppbits
PARITÉ DE COMMUNICATION
BIT DE STOP DE COMMUNICATION
Bit di stop di comunicazione
Communicatie-stopbit
Bit de parada de comunicación
Bit de stop de comunicação
Communication parity
Parität
Parità de comunicazione
Communicatiepariteit
Paridad de comunicación
Paridade de comunicação
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PROG
PROG
To quit programming
reset
X1 ( 5s )
LED
MENU
To quit programming
QUITTER LA PROGRAMMATION
Programmierebene verlassen
Uscire dalla programmazione
De programmatie verlaten
Para salir de la programacion
Para sair da programação
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PROG
After 2 min if a key is not pressed = Automatic
exit from programming mode.
The configuration is not saved.
What to do if...
• D evice not turned on
- Check cables on voltage connections
• C ommunication malfunction
- Check the configuration: address, speed,
parity, stop bit and cabling.
• «E rror» message displayed
- Run the connection test function.
• M essage “Err 01” displayed
- An error has occurred in managing the meter,
please disconnect and reconnect it. If the
meter signal is still displayed, replace the
meter.
• M essage “Err CRC” displayed
- The software is corrupt, please replace the
device, ensure that this application complies
with MID.
• Pictogram for presence of phase
not
illuminated
- Check cabling.
Technical specifications
Metrological characteristics
Accuracy class 1 (1%) according to IEC 62053-21
Metrological LED
0,1 Wh/impuls
Starting current (Ist)
5 mA
Reference current
5 A
Max current
6 A
Minimum current (Imin)
50 mA
Transition current (Itr)
250 mA
Short-term over-current
120 A for 0,5 s
(IEC 62053-21)
EC376
Operating principle
This kilowatt hour meter measures the active
electrical energy used in an electrical installation.
This device has a digital LCD to display energy
used and power.
The design and manufacture of this meter comply
with Standard IEC 62053-21 requirements.
Product presentation
A
LCD display.
B
Key to scroll readings.
C
«Prog» key to set up the CT ratio and
the type of network
D
Reset
E
Metrological LED (0,1 Wh/impulse).
C
B
A
E
D
reset
JBUS/MODBUS Communication
JBUS/MODBUS MEDIA
In a standard configuration, one RS485
connection enables 32 UL* to be connected to
a PC or PLC over 1200 metres using the JBUS/
MODBUS
®
protocol.
* 1 UL = 2 EC376.
Recommendations:
an LIYCY type shielded
twisted pair must be used. In an environment
with interference or on a long network with a
large number of products, we recommend using
a shielded twisted pair with general LIYCY-CY
shielding.
If the distance is greater than 1200 m and /or
there are more than 64 products, a repeater (1
channel) or a spark arrester (2 channels) must be
connected to enable the connection of additional
products with communication interface over more
than 1200 m.
It is essential to connect a resistance of 120 Ohms
to the 2 ends of the connection; this can be found
in the product packaging. Other solutions are
available (modem, fibre optic, etc.); please ask for
details.
JBUS/MODBUS protocol
The JBUS/MODBUS protocol operates on a
master/slave structure:
• Reading (Function 3),
• Writing (Function 6 or 16), broadcast option at
address 0.
The communication method is RTU (Remote
Terminal Unit) with hexadecimal.
Note:
in installations set as “unbalanced”, install
one CT per phase.
In installations set as “balanced”, install one CT
on phase 1.
JBUS/MODBUS Table
File Ref. : EC376
Can be downloaded from the web site: www.hager.com
R=120Ω
R=120Ω
R=120Ω
R=120Ω
R=120Ω
R=120Ω
R=120Ω
RS485
≈ 1200m or 32UL
≈ 1200m or 32UL
≈ 1200m or 32UL
Repeater
Connection diagram
4NBL 1Ln
6 8 10 12
2
15
4
9 11 13
U
1
U
2
U
3
1 3
prog
reset
COM
+ -
N
L2
L1
L3
N
L2
L1
L3
N
0
5
reset
6 8 10 12
2
15
4
9 11 13
U
0
1
U
2
U
3
1 3 5
prog
reset
COM
+ -
N
N
N
L1
L1
reset
Note:
information sent via RS485 COM is sent for
information only.
Using 1 or 2 CT reduces accuracy by 0.5% for
the phase whose current is deduced by vector
calculation.
Meter setup
The following settings have to be made before the
meter can be put to use:
- CT ratio.
- Type of network (single or three-phase).
- Type of three-phase installation (balanced or
unbalanced).
1. Press the Prog key during 3 sec. to enter the
set-up mode.
2. The CT ratio setting is displayed (100A). Press
the key «Read» repeatedly to scroll the possible
CT values (50, 100, 150, 200, 250, 300, 400,
600, 800… 6000A).
3. Press «Prog» to confirm and switch to the next
setting.
4. The type of network (1L+N, 2L, 3L, 3L+N) is
displayed.
Press the key «Read» repeatedly to scroll the
possible values and select the type of network.
5. Press «Prog» to confirm and switch to the next
setting.
6. On three-phase installations, the type of
installation is displayed as «Balanced/
Unbalanced» (Bl, Unbl).
Press the key «Read» to scroll the values and
select the type of installation.
7. Press «Prog» to confirm.
8. Press the Prog key during 3 sec. to exit the
programming mode.
Display of readings
The various datas can be
scrolled by pressing the Key
«Read».
The Default display will
indicate power consumption
according to the current tariff.
The EC376 provides
detailed display of the total
consumptions according to
tariff (T1, T2, T3 or T4) and in
total (T).
Note
:
the information
on
the display indicates that the
corresponding phase (1,2,3) is
under voltage.
* exemplo
de visualização, o código é transmitido na declaração de conformidade MID.
* ejemplo
de visualización, el código se indica en la declaración de conformidad MID.
* voorbeeld
van display, de code staat ingevuld in de MID conformiteitsverklaring.
* esempio
di visualizzazione, il codice è inserito nella dichiarazione di conformità MID.
Identification
of metrological
software
* Anzeigebeispiel,
der Code ist auf der MID-Konformitätserklärung angegeben.
* display example, the code is to be found on the declaration of MID compliance.
Events
counter C1
Events
counter C2
* exemple
Instantaneous
power
Total energy
meter for reactive
energy
Read-only
transformation
report
Read-only system
with or without
neutral
Read-only
balanced or
unbalanced system
To reset the partial meter
- Press the scrolling key several times in order to
display partial energy.
- Press the reset button during 3 sec.
The partial meters (active and reactive energy) will
be set to zero.
Note:
the information
on the display indicates
that the corresponding phase (1, 2,3) is under
voltage.
Connection test and error displaying
The energymeter must be under voltage and the
measured circuit must be loaded.
Press the «reading» key during 3s to enter into the
connection test mode.
Err 0 = no error
Err 1 = CT phase 1 inverted
Err 2 = CT phase 2 inverted
Err 3 = CT phase 3 inverted
Err 4 = V1 and V2 voltages inverted
Err 5 = V2 and V3 voltages inverted
Err 6 = V3 and V1 voltages inverted
Err 7 = V1 and N inverted
Err 8 = V2 and N inverted
Err 9 = V3 and N inverted.
Press the «reading» key during 3s to leave the
connection test mode.
This function can only be used if the installation
power factor is between 0.6 and 1 and 20% of
Imax on each phase.
Programming
MANUAL Mode
This mode enables manual configuration of all
JBUS/MODBUS communication parameters:
Address, Speed, Parity, Stop bit.
AUTO Mode
This mode enables automatic configuration of
most of the communication parameters (Speed,
Parity, Stop bit).
Only the communication address for the EC366
has to be entered. The mode only functions under
the following conditions:
• Communication speed between 9600 and 38400
baud.
• JBUS/MODBUS frame format:
- 8 bits + 2 stop + no parity,
- 8 bits + 1 stop + parity.
Programming menu
Modo MANUAL / AUTO
Valor TC
Endereço
Velocidade
Paridade
Bit de Stop
Tipo de rede
Modo MANU / AUTO
Valor TC
Dirección
Velocidad
Paridad
Bit de Parada
Tipo de red
AUTO / MANU Modus
Waarde ST
Adres
Snelheid
Pariteit
Stop Bit
Netwerktype
Modo MANU / AUTO
Valore TC
Indirizzo
Velocità
Bit di Stop
Tipo di rete
AUTO- / HANDBETRIEB
SW-Wert
Adresse
Geschwindigkeit
Parität
Stoppbit
Stromnetzart
MANUAL / AUTO mode
CT value
Address
Speed
Stop bit
System type
MANUAL / AUTO mode
System type
CT value
Address
Speed
Parity
Stop bit
Access to programming mode
LED
PROG
X1 (5s)
PROG
PROG
x1 (0125)
x2 (0150)
x3 (0160)
x4 (0200)
x5 (0250)
x6 (0300)
x7 (0400)
x8 (0500)
x9 (0600)
x10 (0700)
x11 (0750)
x12 (0800)
x13 (1000)
x14 (1200)
x15 (1250)
x16 (1500)
x17 (1600)
x18 (2000)
x19 (2500)
x20 (3000)
x21 (0010)
x22 (0025)
x23 (0030)
x24 (0040)
x25 (0050)
x26 (0060)
x27 (0075)
x28 (0100)
MOVE ON TO
THE NEXT MENU
CT VALUE
reset
reset
reset
System type
reset
reset
X1 ( 1Ln )
X2 ( 2L )
X3 ( 3L )
X4 ( 3Ln )
X1 ( bl )
X2 ( Ubl )
Tipo de rede
Tipo de red
Netwerktype
Unbalanced system
3/4 wires with 3 CT
(3NBL/4NBL)
Balanced system
4 wires with 1 CT (4BL)*
Tipo di rete
Stromnetzart
System type
SYSTEM TYPE
Balanced single phase system
with 1 CT (1BL)
Balanced two phase system
with 1 CT (2BL)*
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PROG
PROG
Savety instructions
This device is to be installed only by a professional
electrician fitter according to local applicable
installation standards.
Do not plug in or unplug this product when it is live.
Its use is only permitted within the limits shown and
stated in the installation instructions. The device and
the equipement connected to can be destroyed by
loads exceeding the values stated.
543 622
Total energy
meter
for Tariff 1
ENERGY METER
T=T1+T2+T3+T4
Total
energy meter
Total energy
meter
for Tariff 2
Total energy
meter
for Tariff 3
Total energy
meter
for Tariff 4
GB
6E 5555E
1
6E 5555E
WEEE
Symbol Information
Korrekte Entsorgung dieses Produkts
(Elektromüll).
e
(Anzuwenden in den Ländern der Europäischen Union und anderen
europäischen Ländern mit einem separaten Sammelsystem).
Die Kennzeichnung auf dem Produkt bzw. auf der dazugehörigen Literatur gibt
an, dass es nach seiner Lebensdauer nicht zusammen mit dem normalen Hausmüll
entsorgt werden darf. Entsorgen Sie dieses Gerät bitte getrennt von anderen Abfällen,
um der Umwelt bzw. Der menschlichen Gesundheit nicht durch unkontrollierte
Müllbeseitigung zu schaden. Recyceln Sie das Gerät, um die nachhaltige
Wiederverwertung von stofflichen Ressourcen zu fördern.
Private Nutzer sollten den Händler, bei dem das Produkt gekaut wurde, oder die
zuständigen Behörden kontaktieren, um in Erfahrung zu bringen, wie sie das Gerät auf
umweltfreundliche Weise recyceln können.
Gewerbliche Nutzer sollten sich an ihren Lieferanten wenden und die Bedingungen
des Verkaufsvertrags konsultieren. Dieses Produkt darf nicht zusammen mit anderem
Gewerbemüll entsorgt werden.
Comment éliminer ce produit
(déchets d’équipements électriques et électroniques).
a
(Applicable dans les pays de l’Union Européenne et aux autres pays
européens disposant de systèmes de collecte sélective).
Ce symbole sur le produit ou sa documentation indique qu’il ne doit pas être éliminé
en fin de vie avec les autres déchets ménagers. L’élimination incontrôlée des déchets
pouvant porter préjudice à l’environnement ou à la santé humaine, veuillez le séparer
des autres types de déchets et le recycler de façon responsable. Vous favoriserez ainsi
la réutilisation durable des ressources matérielles.
Les particuliers sont invités à contacter le distributeur leur ayant vendu le produit
ou à se renseigner auprès de leur mairie pour savoir où et comment ils peuvent se
débarrasser de ce produit afin qu’il soit recyclé en respectant l’environnement.
Les entreprises sont invitées à contacter leurs fournisseurs et à consulter les
conditions de leur contrat de vente. Ce produit ne doit pas être éliminé avec les autres
déchets commerciaux.
Correct Disposal of This product
(Waste Electrical & Electronic Equipment).
z
(Applicable in the European Union and other European countries with separate
collection systems).
This marking shown on the product or its literature indicates that it hould not be
disposed with other household wasted at the end of its working life. To prevent
possible harm to the environment or human health from uncontrolled waste disposal,
please separate this from other types of wastes and recycle it responsibly to promote
the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this
product, or their local government office, for details of where and how they can take
this item for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions
of the purchase contract. This product should not be mixed with other commercial
wastes of disposal.
Correcte verwijdering van dit product
(elektrische & elektronische afvalapparatuur).
i
Dit merkteken op het product of het bijbehorende informatiemateriaal duidt erop
dat het niet met ander huishoudelijk afval verwijderd moet worden aan het einde van
zijn gebruiksduur. Om mogelijke schade aan het milieu of de menselijke gezondheid
door ongecontroleerde afvalverwijdering te voorkomen, moet u dit product van andere
soorten afval scheiden en op een verantwoorde manier recyclen, zodat het duurzame
hergebruik van materiaalbronnen wordt bevorderd.
Huishoudelijke gebruikers moeten contact opnemen met de winkel waar ze dit
product hebben gekocht of met de gemeente waar ze wonen om te vernemen waar
en hoe ze dit product milieuvriendelijk kunnen laten recyclen.
Zakelijke gebruikers moeten contact opnemen met hun leverancier en de algemene
voorwaarden van de koopovereenkomsten nalezen. Dit product moet niet worden
gemengd met ander bedrijfsaval voor verwijdering.
Correcte verwijdering van dit product
(elektrische & elektronische afvalapparatuur).
ù
Dit merkteken op het product of het bijbehorende informatiemateriaal duidt erop
dat het niet met ander huishoudelijk afval verwijderd mag worden aan het einde van
zijn gebruiksduur. Om mogelijke schade aan het milieu of de menselijke gezondheid
door ongecontroleerde afvalverwijdering te voorkomen, moet u dit product van andere
soorten afval scheiden en op een verantwoorde manier recyclen, om het duurzame
hergebruik van grondstoffen te bevorderen.
Particuliere gebruikers moeten contact opnemen met de winkel waar ze dit product
hebben gekocht of met de gemeente waar ze wonen om te vernemen waar en hoe ze
dit product milieuvriendelijk kunnen laten recyclen.
Bedrijven moeten contact opnemen met hun leverancier en de algemene
voorwaarden van de koopovereenkomsten nalezen. Dit product moet niet worden
gemengd met ander bedrijfsaval voor verwijdering.
Tämän tuotteen oikea käsittely
(Jäte sähköinen ja elektroniset laitteistot).
p
(Sovellettavissa Euroopanunionissa ja muissa Euroopan maissa erillisillä
keräysjärjestelmillä.)
Tämä tuotteessa tai sen dokumenteissa näytetty merkintä kertoo, että tuotetta ei
tulisi hävittää muun kotitalousjätteen kanssa laitteen käyttöiän päätyttyä. Mahdollisen
ympäristölle tai ihmisille aiheutuvan haitan estämiseksi, erottele tämä muuntyyppisistä
jätteistä ja kierrätä se vastuullisesti edistääksesi materiaalivarantojen jatkuvaa
uudelleenkäyttöä.
Kotitalouskäyttäjien tulisi ottaa yhteyttä joko laitteen myyneeseen jälleenmyyjään
tai paikallisiin viranomaisiin, saadakseen lisätietoja siitä minne ja miten tämä tuote
voidaan toimittaa kierrätettäväksi ympäristöystävällisesti.
Ammattikäyttäjien tulisi ottaa yhteyttä heidän toimittajaan ja tarkistaa
ostosopimukseen littyvät säännöt ja ehdot. Tätä tuotetta ei pitäisi sekoittaa muiden
talousjätteiden kanssa hävitettäessä.
Korrekt avfallshantering av produkten
(elektriska och elektroniska produkter).
s
Denna markering på produkten och i manualen anger att den inte bör sorteras
tillsammans med annat hushållsavfall när dess livstid är över. Till förebyggande av
skada på miljö och hälsa bör produkten hanteras separat för ändamålsenlig återvinning
av dess beståndsdelar.
Hushållsanvändare bör kontakta den återförsäljare som sålt produkten eller sin
kommun för vidare information om var och hur produkten kan återvinnas på ett
miljösäkert sätt.
Företagsanvändare bör kontakta leverantören samt verifiera angivna villkor i
köpekontraktet. Produkten bör inte hanteras tillsammans med annat kommersiellt
avfall.
Hvordan kaste dette produktet
(elektrisk og elektronisk avfall).
o
(Gjelder i EU og i andre europeiske land med selektiv avfallssortering).
Dette symbolet på produktet eller på produktets dokumentasjon betyr at det
utrangerte produktet ikke skal kastes sammen med vanlig husholdningsavfall.
Ukontrollert eliminering av avfall kan virke skadelig på miljøet eller være helsefarlig
for mennesker. Produktet skal derfor skilles fra andre typer avfall, og skal resirkuleres
på en ansvarlig måte. Du vil på den måten også prioritere varig gjenbruk av materielle
ressurser.
Dersom du er en privatperson, oppfordrer vi deg til å ta kontakt med den som
har solgt deg produktet, eller innhente informasjon fra dine lokale myndigheter om
hvordan produktet kan destrueres på en miljøansvarlig måte.
Bedrifter oppfordres til å kontakte sin leverandør og forholde seg til betingelsene i
salgskontrakten. Produktet skal ikke elimineres sammen med annet forretningsavfall.
Technical characteristics
Consumption
< 10 VA or 2 W
Supply
Autosupplied
Frequency
50/60Hz (+/- 2Hz)
Savings of measures are made regularly in
EEPROM
Tension
230V phase/neutre
- 400VAC phase/
phase (+/- 15%)
Compliance
European EMC Directive No. 2004/108/EC
(15/12/2004)
LV Directive No. 2006/95/EC Dated 12 December
2006
Communication
RS485
2 wires +
shielding / half
duplex
Protocole
JBUS/MODBUS
®
,
RT U mode
Speed
4800 / 9600 /
19200 / 38400
Bauds
Galvanic insulation
4 kV 1 min 50Hz
List of available functions
Cf. JBUS/
MODBUS
communication
table
Backup
Energy registers
In non-volatile
memory
Clock
On battery
Load curve*
In non-volatile
memory
* data only available on the COM
Mechanical characteristics
Modular casing : 4 M (72 mm)
Protection degree (casing)
IP20
Protection degree (front part)
IP 50/IK 03
Insulation class
II
RS485 connection terminals
Flexible: 1 to 6 mm²
Rigid: 1.5 to 10 mm²
Nominal tightening torque
1.5 N.m
Environment
Storage temperature
-25 °C to +70 °C
Working temperature
-10 °C to +55 °C
Mechanical environment: M1
M1
Electromagnetic environment
E2
Humidity
95% RH without
condensation
Installation
Indoors, must
be installed in an
IP51 box
Correct Disposal of This product
(Waste Electrical & Electronic
Equipment).
(Applicable in the European Union and other
European countries with separate collection
systems).
This marking shown on the product or its literature
indicates that it hould not be disposed with other
household wasted at the end of its working life. To
prevent possible harm to the environment or human
health from uncontrolled waste disposal, please
separate this from other types of wastes and recycle it
responsibly to promote the sustainable reuse of material
resources.
Household users should contact either the retailer where
they purchased this product, or their local government
office, for details of where and how they can take this
item for environmentally safe recycling.
Business users should contact their supplier and check
the terms and conditions of the purchase contract. This
product should not be mixed with other commercial
wastes of disposal.
reset
reset
X1 ( 1Ln )
X2 ( 2L )
X3 ( 3L )
X4 ( 3Ln )
X1 ( bl )
X2 ( Ubl )
* A utilização de 1 ou 2TC reduz de 0,5% a precisão da fase cuja corrente é deduzida por cálculo vectorial.
* El uso de 1 o 2 TC disminuye de un 0,5% la precisión de la fase cuya corriente se deduce mediante cálculo vectorial.
*
Bij gebruik van 1 of 2 ST daalt de nauwkeurigheid van de fase waarvan de stroom wordt bepaald door vectorrekening met 0,5%.
* L’utilizzo di 1 o 2 TC diminuisce dello 0,5% la precisione della fase la cui corrente è dedotta per calcolo vettoriale.
* Bei Einsatz von 1 oder von 2 SW wird die Präzision derjenige Phase um 0,5% verringert, deren Strom durch Vektorrechnung abgezogen wird.
* Using 1 or 2 CT reduces accuracy by 0.5% for the phase whose current is deduced by vector calculation.
* L’utilisation de 1 ou 2 TC diminue de 0,5% la précision de la phase dont le courant est déduit par calcul vectoriel.
Conformité MID
Unbalanced system
3 wires with 2 CT (3NBL)*
Balanced system
3 wires with 1 CT (3BL)*
PROG
PROG
