ECS

ECS31AC

The ECS Series of single-phase AC current sensors is a universal, overcurrent or undercurrent sensing control. Its built-in toroidal sensor eliminates the inconvenience of installing a stand-alone current transformer. Includes

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  • Electrical Characteristics
    • Catalog # ECS31AC
    • Input Voltage (V) 24 Vdc
    • Input Tolerance (%) -15 - 20%
    • Output Type Electromechanical relay
    • Output Form Isolated SPDT
    • Output Load Rating (VA) 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac
    • Response Time (ms) ≤75 ms
    • Trip Delay Type Analog
    • Trip Delay Range 0.150 - 7 s adjustable
    • Trip Delay Sensing on Startup (s) Factory fixed 0 - 6 s: +40%; -0%
    • Trip Delay vs Temperature ±15%
    • Trip Point Range 2 - 20 adjustable
    • Trip Point Hysteresis (%) ±5%
    • Trip Point vs Temperature ≅±5%
    • Sensor Type Toroid; through-hole wiring
    • Sensor Mode Over or undercurrent; switch selectable on the unit or factory fixed
    • Sensor Tolerance Guaranteed range
    • Current Sensor Range Maximum: Steady - 50A turns; Inrush - 300A turns for 10s
    • Sensor Frequency (Hz) 45/500
    • Insulation Resistance ≥100
    • Type of Detection Peak detection
    • Termination Type 0.25 in. (6.35 mm) male quick connect terminals (5)
    • Mounting Method Surface mount with two #6 (M3.5 x 0.6) screws
    • Operating Temperature -40° to 60°C (-40° to 140°F)
    • Storage Temperature (F/C) -40° to 85°C (-40° to 185°F)
    • Humidity 95% non-condensing
    • Dimensions 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm)
    • Weight (lbs/g) 0 Kg
    • Check Stock Yes