Cut Sheet

V8-T7-10 Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com
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7.2
Current and Voltage Sensors
CurrentWatch ECS Series
Technical Data and Specifications
ECS Series CurrentWatch Current Switches
Wiring Diagram
ECS Series CurrentWatch Current Switches
Normally open (NO) models shown
Dimensions
Approximate Dimensions in Inches (mm)
Solid-Core Housing Split Core Housing
Description Specification
Power supply Self-powered—no power supply needed
Output Magnetically isolated solid-state switch
Output rating NO version: 0.15A at 240 Vac/dc
NC version: 0.2A at 135 Vac/dc
Models ending Y1: 5.0A, 125 Vac, 30 Vdc
Off-state leakage <10 μA
Response time 120 ms
Setpoint range Solid-core housings: 1–150A
Split-core housings: 1.75–150A
Hysteresis 5% of setpoint
Description Specification
Overload Fixed setpoint, NO models: 6 sec. at 500A; 1 sec. at 1000A
All other models: 6 sec. at 400A; 1 sec. at 1000A
Maximum continuous Amps: 250A
Isolation voltage UL listed to 1270 Vac, tested to 5000 Vac
Frequency range 6–100 Hz
Sensing aperture Solid-core housings: 0.74 in (19 mm)
Split-core housings: 0.85 in (21.6 mm)
Housing UL94 V0 flammability rated
Environmental Operating temperature: –58° to 122°F (–50° to 50°C)
Humidity: 0–95% RH, non-condensing
AC or DC
Power
AC or DC
Load
Monitored Wire
Current Switch
3.50
(88.9)
3.03
(77.0)
0.93
(23.6)
0.19 Dia.
(4.8)
2.40
(61.0)
2.18
(55.4)
0.74 Dia.
(19)
0.85 (21.6)
0.85 (21.6)
3.53
(89.7)
2.40
(61)
3.04
(77.2)
0.19 Dia.
(4.8)
2.25
(57.2)
1.19
(30.2)