Cut Sheet

Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com V8-T7-17
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7.4
Current and Voltage Sensors
CurrentWatch ECS7 Series
Technical Data and Specifications
ECS7 Series CurrentWatch Current Switches
Current Switch Operation
Underload Only Models Overload Only Models
Over/Underload Models
1
Note
1
Output is closed when current is within ±15% window.
Description Specification
Power supply Self-powered—no power supply needed
Output Magnetically isolated solid-state switch
Output rating Normally open (NO) models: 0.3A at 135 Vac/dc
Not polarity sensitive
Off-state leakage <10 μA
Response time 200 ms
Setpoint range Solid-core models: 1.5 to 150A
Split-core models: 2.8 to 150A
Setpoint Overload models: +15% of load
Underload models: –15% of load
Operating window: ±5% of setpoint
Hysteresis 5% of setpoint
Overload 500A at 6 sec., 1000A at 1 sec.
Isolation voltage UL listed to 1270 Vac, tested to 5000 Vac
Frequency range 6–100 Hz
Sensing aperture Solid-core models: 0.74 in (19 mm) dia.
Split-core models: 0.85 in (21.6 mm) sq.
Housing UL94 V0 flammability rated
Environmental Operating temperature: –58° to 122°F (–50° to 50°C)
Humidity: 0–95% RH, non-condensing
Amps
Output Open (LED Off)
Output Closed (LED Slow)
Output Open (LED Fast)
Calibration Point
Amps
Output Open
(LED Off)
Output Closed
(LED Slow)
115% of Calibration Point
Calibration Point
(LED Fast)
Amps
Output Open
Output Open
(LED Off)
Output Closed
(LED Slow)
115% of Calibration Point
(LED Fast)
85% of Calibration Point
(LED Slow)