Littelfuse

KRDM420

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Description

Operation (Delay-on-Make) Upon application of input voltage, the time delay begins. The output is de-energized before and during the time delay. At the end of the time delay, the output relay energizes and remains energized until input voltage is removed. Reset: Removing input voltage resets the time delay and output.
Part Number
KRDM420
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Specifications

Input Voltage (V)
120VAC
Input Tolerance (%)
-20% - 10%
Input AC Line Frequency (Hz)
50/60Hz
Output Type
Isolated relay contacts
Output Form
SPDT
Output Load Rating (VA)
10A resistive @ 125VAC; 5A resistive @ 230VAC and 28VDC; 1/4hp @ 125VAC; 1/4hp @ 125VAC @ 40oC
Time Delay Range
0.1 - 10s onboard adjustable
Time Delay Tolerance (%)
±5%
Recycle Time (ms)
≤150ms
Repeat Accuracy (%)
±0.5% or 20ms whichever is greater
Setpoint vs Ambient Temperature and Operating Voltage (%)
≤ ±5%
Switching Voltage Maximum (V)
250VAC
Insulation Resistance
≥100 MΩ
Isolation Voltage (V)
≥1500V RMS input to output
Circuitry
Encapsulated
Life
Mechanical - 1 x 107; Electrical - 1 x 105
Power Consumption
≤2VA
Termination Type
0.25 in. (6.35mm) male quick connect terminals
Mounting Method
Surface mount with one #10 (M5 x 0.8) screw
Operating Temperature
-20° to 60°C (-4°F to 140°F)
Storage Temperature (F/C)
-40° to 85°C (-40°F to 185°F)
Humidity
95% relative non-condensing
Dimensions
2.00 x 2.00 x 1.21 in. (50.8 x 50.8 x 30.7mm)
Weight (lbs/g)
≅2.6oz (74g)
Sample capable
No

Documents

Data Sheet

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