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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 onboard adjustments for current sensing mode, trip point, and trip delay. Detects over or undercurrent events like locked rotor, loss of load, an open heater or lamp load, or proves an operation is taking place or has ended.
Operation
Input voltage must be supplied at all times for proper operation. When a fault is sensed throughout the trip delay, the output relay is energized. When the current returns to the normal run condition or zero, the output and the delay are reset. If a fault is sensed and then corrected before the trip delay is completed, the relay will not energize and the trip delay is reset to zero.
- Built-in toroidal current sensing
- Encapsulated
- Adjustable mode, trip point and trip delay
- 10A, SPDT isolated relay output
- Eliminates need to install stand-alone current transformer and provides isolation from monitored circuit
- Protects against shock, vibration, and humidity
- Provides flexibility for use in many applications
- Allows control of AC voltage loads
ECS Parts
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| 24 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -15 - 20% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 0.5 - 5 adjustable | ≅±5% | Peak detection | ||||||
| 24 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -15 - 20% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection | ||||||
| 24 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -15 - 20% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 5 - 50 adjustable | ≅±5% | Peak detection | ||||||
| 24 Vdc | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | -15 - 20% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 0.5 - 5 adjustable | ≅±5% | Peak detection | |||||||
| 24 Vdc | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | -15 - 20% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection | |||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 0.5 - 5 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 0.5 - 5 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 0.5 - 5 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.150 - 7 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection | ||||||
| 120 Vac | Isolated SPDT | 0.25 in. (6.35 mm) male quick connect terminals (5) | 3.5 H x 2.5 W x 1.75 D in. (88.9 x 63.5 x 44.5 mm) | 0 Kg (kilogram) | 95% non-condensing | 50 / 60 | -20 - 10% | ≥100 | 10 A resistive @ 240 Vac; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | Electromechanical relay | ≤75 ms | 45/500 | Over or undercurrent; switch selectable on the unit or factory fixed | Maximum: Steady - 50A turns; Inrush - 300A turns for 10s | Guaranteed range | Toroid; through-hole wiring | Analog | 0.5 - 50 s adjustable | Factory fixed 0 - 6 s: +40%; -0% | ±15% | ±5% | 2 - 20 adjustable | ≅±5% | Peak detection |
