Eaton CurrentWatch EAC Series sensors combine a current sensor and signal conditioning electronics in a single package for use in 120 V or 24 VAC/DC control power applications. They are average-responding sensors, intended for use in constant or on/off load applications with sinusoidal waveforms. The sensors are available in split-core enclosures with 4-20 mA analog outputs and feature field selectable ranges. The factory-calibrated ranges eliminate the need for time-consuming and inaccurate field settings.
Eaton CurrentWatch EAC Series sensors combine a current sensor and signal conditioning electronics in a single package for use in 120 V or 24 VAC/DC control power applications. They are average-responding sensors, intended for use in constant or on/off load applications with sinusoidal waveforms. The sensors are available in split-core enclosures with 4-20 mA analog outputs and feature field selectable ranges. The factory-calibrated ranges eliminate the need for time-consuming and inaccurate field settings.
WARNING!
IN ORDER TO AVOID ELECTRIC SHOCK OR OTHER POSSIBLE INJURY:
• DO NOT USE THIS PRODUCT FOR HUMAN SAFETY APPLICATIONS. IT
WAS NOT DESIGNED, TESTED, OR RECOMMENDED FOR THIS USE.
• DO NOT USE THIS PRODUCT IN HAZARDOUS LOCATIONS (E.G. EXPLOSIVE
ATMOSPHERES). IT WAS NOT DESIGNED, TESTED, OR RECOMMENDED
FOR THIS USE.
• ENSURE THE PRODUCT IS PROPERLY WIRED TO THE CORRECT POWER
SUPPLY FOR THE APPLICATION. REFER TO THE SPECIFICATIONS AND
WIRING DIAGRAMS IN THIS PUBLICATION.
Models Covered In This Publication
Catalog Number Description
EACP0420120SP 120 VAC Power Supply, 2/5 A Range, 4-20 mA
Output
EACP1420120SP 120 VAC Power Supply, 10/20/50 A Range, 4-20
mA Output
EACP2420120SP 120 VAC Power Supply, 100/150/200 A Range, 4-20
mA Output
EACP042024USP 24 VAC/DC Power Supply, 2/5 A Range, 4-20 mA
Output
EACP142024USP 24 VAC/DC Power Supply, 10/20/50 A Range, 4-20
mA Output
EACP242024USP 24 VAC/DC Power Supply, 100/150/200 A Range,
4-20 mA Output
CurrentWatch™ EAC Series Current Sensors
Powered AC Current Sensors, 120 VAC or
24 VAC/DC, 4-20 mA Output
Instructions Publication P51918
Effective July 2017
Supersedes March 2014
Instruction Leaflet
Montageanweisung
Notice d’installation
Instrucciones de montaje
Istruzioni per il montaggio
安装说明
Инструкция по монтажу
Montagehandleiding
Montagevejledning
Οδηγίες εγκατάστασης
Instruções de montagem
Monteringsanvisning
Asennusohje
Návod k montáži
Paigaldusjuhend
Szerelési utasítás
Montāžas instrukcija
Montavimo instrukcija
Instrukcja montażu
Navodila za montažo
Návod na montáž
Монтажни инструкции
Instrucţiuni de montaj
Upute za montažu
Electric current! Danger to life!
Only skilled or instructed persons may
carry out the following operations.
Lebensgefahr durch elektrischen Strom!
Nur Elektrofachkräfte und elektrotechnisch
unterwiesene Personen dürfen die im Folgenden
beschriebenen Arbeiten ausführen.
Tension électrique dangereuse !
Seules les personnes qualifiées et averties doivent
exécuter les travaux ci-après.
¡Corriente eléctrica! ¡Peligro de muerte!
El trabajo a continuación descrito debe ser realizado
por personas cualificadas y advertidas.
Tensione elettrica: Pericolo di morte!
Solo persone abilitate e qualificate possono eseguire
le operazioni di seguito riportate.
触电危险！
只允许专业人员和受过专业训练的人员进行下列工作。
Электрический ток! Опасно для жизни!
Только специалисты или проинструктированные
лица могут выполнять следующие операции.
Levensgevaar door elektrische stroom!
Uitsluitend deskundigen in elektriciteit en
elektrotechnisch geïnstrueerde personen is het
toegestaan, de navolgend beschreven
werkzaamheden uit te voeren.
Livsfare på grund af elektrisk strøm!
Kun uddannede el-installatører og personer der
e instruerede i elektrotekniske arbejdsopgaver,
må udføre de nedenfor anførte arbejder.
en
de
fr
es
it
zh
ru
nl
da
Προσοχή, κίνδυνος ηλεκτροπληξίας!
Οι εργασίες που αναφέρονται στη συνέχεια θα
πρέπει να εκτελούνται μόνο από ηλεκτρολόγους
και ηλεκτροτεχνίτες.
Perigo de vida devido a corrente eléctrica!
Apenas electricistas e pessoas com formação
electrotécnica podem executar os trabalhos
que a seguir se descrevem.
Livsfara genom elektrisk ström!
Endast utbildade elektriker och personer som
undervisats i elektroteknik får utföra de arbeten
som beskrivs nedan.
Hengenvaarallinen jännite!
Vain pätevät sähköasentajat ja opastusta saaneet
henkilöt saavat suorittaa seuraavat työt.
Nebezpečí úrazu elektrickým proudem!
Níže uvedené práce smějí provádět pouze
osoby s elektrotechnickým vzděláním.
Eluohtlik! Elektrilöögioht!
Järgnevalt kirjeldatud töid tohib teostada ainult
elektriala spetsialist vői elektrotehnilise
instrueerimise läbinud personal.
Életveszély az elektromos áram révén!
Csak elektromos szakemberek és elektrotechnikában
képzett személyek végezhetik el a következőkben leírt
munkákat.
Elektriskā strāva apdraud dzīvību!
Tālāk aprakstītos darbus drīkst veikt tikai
elektrospeciālisti un darbam ar elektrotehniskām
iekārtām instruētās personas!
el
pt
sv
fi
cs
et
hu
lv
Pavojus gyvybei dėl elektros srovės!
Tik elektrikai ir elektrotechnikos specialistai gali
atlikti žemiau aprašytus darbus.
Porażenie prądem elektrycznym stanowi
zagrożenie dla życia!
Opisane poniżej prace mogą przeprowadzać tylko
wykwalifikowani elektrycy oraz osoby odpowiednio
poinstruowane w zakresie elektrotechniki.
Življenjska nevarnost zaradi
električnega toka!
Spodaj opisana dela smejo izvajati samo
elektrostrokovnjaki in elektrotehnično poučene osebe.
Nebezpečenstvo ohrozenia života
elektrickým prúdom!
Práce, ktoré sú nižšie opísané, smú vykonávat’
iba elektroodborníci a osoby s elektrotechnickým
vzdelaním.
Опасност за живота от електрически ток!
Операциите, описани в следващите раздели,
могат да се извършват само от
специалисти-електротехници и инструктиран
електротехнически персонал.
Atenţie! Pericol electric!
Toate lucrările descrise trebuie efectuate numai
de personal de specialitate calificat şi de persoane
cu cunoştiinţe profunde în electrotehnică.
Opasnost po život uslijed električne struje!
Radove opisane u nastavku smiju obavljati samo
stručni električari i osobe koje su prošle
elektrotehničku obuku.
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292000411
Introduction
The CurrentWatch™ EAC Series Powered
combines a current sensor and signal con-
ditioning electronics in a single package
for use in 120 V line-voltage or 24 VAC/DC
control power applications. The combina-
tion of these devices results in a single
unit with higher accuracy, fewer individual
terminations and a space-saving simplified
installation.
The EAC Series family of powered current
sensors are available in split-core enclosures with 4-20 mA analog
outputs. These sensors are average responding and intended for use
in constant or on/off load applications with sinusoid waveforms.
Eaton’s current sensor family encompasses a broad range of
products for cost-effective monitoring, status, and predictive main-
tenance. Downtime and costly repairs can be avoided by utilizing
Eaton’s products and technologies in your control systems.
Quick Install Guide
The below steps can be followed to quickly install a CurrentWatch
EAC Series Powered sensor.
1. Run the wire to be monitored through the aperture
2. Mount the sensor to a surface if needed
3. Connect output wiring, using up to 12 AWG copper wires
4. Choose the correct range by positioning the Range Jumper
Installation
Considerations for all EACP Series models…
•
These sensors can be located in the same environment as
motors, contactors, heaters, pull-boxes and other electrical enclo-
sures
•
Mounting can be done in any position or hung directly on a wire
with a wire tie
•
Be sure to leave at least 1.0 in. (25.4 mm) distance between sen-
sor and other magnetic devices
Considerations for split-core models only…
•
Press the tab in the direction
shown in the diagram to the right.
•
After placing the wire in the
aperture, press the hinged portion
firmly downward until a click is
heard and the tab pops out fully.
•
Keep split-core contact areas
clean. Silicon grease is factory applied on the mating surfaces to
prevent rust and improve performance. Be careful not to allow
grit or dirt into the grease in the contact area, particularly on core
mating surfaces of split core models. Sensor operation could be
impaired if mating surfaces do not have good contact. Check visu-
ally before closing.
Range Selection
The CurrentWatch EAC Series Powered sensors feature field select-
able ranges. The ranges are factory calibrated, eliminating time con-
suming and innacurate field setting of zero or span.
Setting Range
1. Determine the normal operating amperage of your monitored
current.
2. Select the range this is equal to or slightly higher than the nor-
mal operating amperage.
3. Place the Range Jumper in the appropriate position.
To open:
Press tab inward
towards hinge
Important:
Keep contact areas clean
Output Wiring
Connect control or monitoring wires to the sensor. Use up to 12
AWG copper wire and tighten terminals to 9 in.-lbs / 1.02 N·m maxi-
mum torque.
Connection Notes:
•
Deadfront captive screw terminals
•
Use 12-22 AWG solid or stranded
•
Observe polarity
(-)
(+)
1 2
3 (-) 4 (+)
Power Output
Power Supply
(24V AC/DC or 120V AC)
Load
(Controller, Meter...)
Maximum Input Amps
Range
Maximum Amps
6 sec. 1 sec.
0-2 A 125 A 250 A
0-5 A 125 A 250 A
0-10 A 125 A 250 A
0-20 A 150 A 300 A
0-50 A 215 A 400 A
0-100 A 300 A 600 A
0-150 A 450 A 800 A
0-200 A 500 A 1,000 A
2
EATON www.eaton.com
CurrentWatch™ EAC Series Current Sensors
Powered AC Current Sensors, 120 VAC or
24 VAC/DC, 4-20 mA Output
Instructions Publication P51918
Effective July 2017
Specications
Specification Value
Power Supply Models Ending 120SP: 120 VAC
Models Ending 24USP: 24 VAC/DC, 40 V Max.
Output Signal 4-20 mA
Output Limit 23 mA
Response Time 100 ms (90% of Step Change)
Frequency Range 40-400 Hz
Accuracy 1% FS
Loading 500 ohms Max
Isolation Voltage UL Listed to 1,270 AC, Tested to 5,000 VAC
Sensing Aperture Solid Core Models: 0.75 in. (19 mm) dia.
Split Core Models: 0.85 in. (21.7 mm) sq.
Housing UL94 V0 Flammability Rated
Environmental Operating Temperature: -4 to +122°F (-20 to +50°C)
Humidity: 0-95% RH, Non-Condensing
Approvals None
Troubleshooting
Problem
Solution for Current
Output Models
Sensor has no
output
Power supply is not properly sized. Check power supply voltage
and current rating.
Polarity is not properly matched. Check and correct wiring
polarity.
For split core models, the core contact area may be dirty. Open
the sensor and clean the contact area.
Output signal is
too low
The range may be too high for the current being monitored.
Select a difference EACP Series model with lower range.
The load current is not sinusoidal. Select an EACR Series sen-
sor that works on distorted waveforms.
Monitored current is below minimum required. Loop the
monitored wire several times through the aperture until the
“sensed” current rises above minimum. (‘Sensed Amps’ is
equal to ‘Actual Amps’ multiplied by the ‘Number of Loops’).
Output signal is
always at 20 mA
The range may be too low for the current being monitored.
Select a different EACP Series sensor with a higher range.
Output signal is
always at 4 mA
Monitored load is not AC or is not on. Check that the monitored
load is AC and that it is actually on.
3
EATON www.eaton.com
Instructions Publication P51918
Effective July 2017
CurrentWatch™ EAC Series Current Sensors
Powered AC Current Sensors, 120 VAC or
24 VAC/DC, 4-20 mA Output
Eaton Industries GmbH
Hein-Moeller-Straße 7-11,
53115 Bonn, Germany
Eaton Corporation
W126 N7250 Flint Drive
Menomonee Falls,
WI 53051, USA
Contact your regional Eaton oce for additional technical support
Eaton is a registered trademark of
Eaton Corporation.
All other trademarks are property
of their respective owners.
Americas – Asia Pacic Europe – Middle East – Africa
Eaton Corporation
Electrical Sector – Sensors
+1.800.426.9184
www.eaton.com/sensors
Eaton Industries GmbH
Electrical Sector EMEA
+49 (0) 180 5 223822
www.eaton.eu/sensors
© 2017 by Eaton
All Rights Reserved
Printed in USA
Publication No. P51918 / 003
July 2017
CurrentWatch™ EAC Series Current Sensors
Powered AC Current Sensors, 120 VAC or
24 VAC/DC, 4-20 mA Output
Instructions Publication P51918
Effective July 2017
Eaton Industries GmbH
Hein-Moeller-Straße 7-11,
53115 Bonn, Germany
Eaton
W126 N7250 Flint Drive
Menomonee Falls,
WI 53051, USA
Eaton
Electrical Sector – Sensors
+1.800.426.9184
www.eaton.com/sensors
Eaton Industries GmbH
Electrical Sector EMEA
+49 (0) 180 5 223822
www.eaton.eu/sensors
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
Contact your regional Eaton office for additional technical support
Americas – Asia Pacific Europe – Middle East – Africa
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Eaton CurrentWatch EAC Series Owner's manual
- Type
- Owner's manual
- This manual is also suitable for
Eaton CurrentWatch EAC Series sensors combine a current sensor and signal conditioning electronics in a single package for use in 120 V or 24 VAC/DC control power applications. They are average-responding sensors, intended for use in constant or on/off load applications with sinusoidal waveforms. The sensors are available in split-core enclosures with 4-20 mA analog outputs and feature field selectable ranges. The factory-calibrated ranges eliminate the need for time-consuming and inaccurate field settings.
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