Littelfuse
ECS4HBH
1 / 1
Description
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.- Part Number
- ECS4HBH
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Specifications
- Input Voltage (V)
- 120VAC
- Input Tolerance (%)
- -20-10%
- Input AC Line Frequency (Hz)
- 50/60Hz
- Output Type
- Electromechanical relay
- Output Form
- Isolated SPDT
- Output Load Rating (VA)
- 10A resistive @ 240VAC; 1/4hp @ 125VAC; 1/2hp @ 250VAC
- Response Time (ms)
- ≤75ms
- Trip Delay Type
- Analog
- Trip Delay Range
- 0.5-50s adjustable
- Trip Delay Sensing on Startup (s)
- Factory fixed 0-6s: +40% -0%
- Trip Delay vs Temperature
- ±15%
- Trip Point Range
- 5-50A adjustable
- Trip Point Hysteresis (%)
- ±5%
- Trip Point vs Temperature
- ≅±5%
- Sensor Type
- Toroidal 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)
- 45/500Hz
- Insulation Resistance
- ≥100 MΩ
- Isolation Voltage (V)
- ≥2500V RMS input to output
- Circuitry
- Encapsulated
- Type of Detection
- Peak detection
- Life
- Mechanical - 1 x 106; Electrical - 1 x 105
- Termination Type
- 0.25 in. (6.35mm) 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°F to 140°F)
- Storage Temperature (F/C)
- -40° to 85°C (-40°F to 185°F)
- Humidity
- 95% relative non-condensing
- Dimensions
- 3.50 x 2.50 x 1.75 in. (88.9 x 63.5 x 44.5 mm)
- Weight (lbs/g)
- ≅6.4oz (181g)
Documents
Data Sheet
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