Specifications
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
