KRPSD22S - KRPSD Single Shot Timers Series

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The KRPS Series is a factory programmed time delay relay available with 1 of 15 functions and measures only 2 inches square. The KRPS offers a wide range of fixed, onboard, or externally adjustable time delays. The output relay contacts offer a full 10A rating with complete isolation. Its microcontroller timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock, vibration, and humidity. The KRPS Series is a cost effective approach for OEM applications that require small size, isolation, accuracy, and long life. Special time ranges and functions are available.


See datasheet for operation details.

Property (Mouseover for details) Value
Input Voltage (V) 12 or 48 V dc
Input Tolerance (%) -15% - 20%
Input DC Ripple (%) ≤10%
Output Type Isolated relay contacts
Output Form SPDT
Output Load Rating (VA) 10 A resistive @ 125 V ac; 5 A resistive @ 230 V ac and 28 V dc; 1/4 hp @ 125 V ac
Time Delay Type Microcontroller
Time Delay Range 1 - 100 s onboard adjustable
Time Delay Tolerance (%) ±2%
Reset Time (ms) ≤150
Initiate Time (ms) ≤40; 750 operations per minute
Repeat Accuracy (%) ±0.5% or 20 ms whichever is greater
Setpoint vs Ambient Temperature and Operating Voltage (%) ≤±2%
Switching Voltage Maximum (V) 250
Undervoltage Trip Voltage ±2%
Insulation Resistance ≥100
Isolation Voltage (V) ≥1500 Vrms input to output
Circuitry Encapsulated
Polarity DC units are reverse polarity protected
Life Electrical: 1 x 10⁵; Mechanical: 1 x 10⁷
Power Consumption ≤2 W
Termination Type 0.25 in. (6.35 mm) male quick connect terminals
Mounting Method Surface mount with 1 #10 (M5 x 0.8) screw
Operating Temperature -40° to 60°C (-40° to 140°F)
Storage Temperature (F/C) -40° to 80°C (-40° to 176°F)
Humidity 95% relative : non-condensing
Dimensions 2 H x 2 W in. (50.8 x 50.8 mm)
Weight (lbs/g) 0 Kg
Dimensions 2 H x 2 W in. (50.8 x 50.8 mm)
To request product environmental information, please complete the Product Environmental Information Request Form.