Littelfuse

ECSL41A

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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
ECSL41A
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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
0.150 - 7s adjustable
Trip Delay Sensing on Startup (s)
Factory fixed 0-6s: +40% -0%
Trip Delay vs Temperature
±15%
Trip Point Range
2-20A 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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