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KRDM220
2x2 D.O.M. W/RELAY | Series: KRDM
The KRDM Series is a compact time delay relay measuring only 2 in. (50.8 mm) square. Its solid-state timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock, vibration, and humidity. The KRDM Series is a cost effective approach for OEM applications that require small size, isolation, reliability, and long life.
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.
| Property | Value |
|---|---|
Input Voltage (V) | 24 V ac/dc |
Output Form | SPDT |
Time Delay Range (s) | 0.1 - 10 s onboard adjustable |
Dimensions | 2 H x 2 W in. (50.8 x 50.8 mm) |
Circuitry | Encapsulated |
Humidity | 95% relative : non-condensing |
Input AC Line Frequency (Hz) | 50/60 |
Input DC Ripple | ≤10% |
Input Tolerance (%) | -15% - 20% |
Insulation Resistance (Ω) | ≥100 |
Isolation Voltage | ≥1500 Vrms input to output |
Life | Electrical: 1 x 10⁵; Mechanical: 1 x 10⁷ |
Mounting Method | Surface mount with 1 #10 (M5 x 0.8) screw |
Operating Temperature Max (°C) | 60 |
Operating Temperature Maximum Fahrenheit | 140 |
Operating Temperature Minimum Celsius | -20 |
Operating Temperature Minimum Fahrenheit | -4 |
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; 1/4 hp @125 V ac @ 40°C |
Output Type | Isolated relay contacts |
Polarity | DC units are reverse polarity protected |
Power Consumption | AC: ≤2 VA; DC: ≤2 W |
Recycle Time | ≤150 |
Repeat Accuracy (%) | ±0.5% or 20 ms whichever is greater |
Setpoint vs. Ambient Temperature and Operating Voltage | ≤±5% |
Storage Temperature Maximum Celsius | 85 |
Storage Temperature Maximum Fahrenheit | 185 |
Storage Temperature Minimum Celsius | -40 |
Storage Temperature Minimum Fahrenheit | -40 |
Switching Voltage Maximum (V) | 250 |
Termination Type | 0.25 in. (6.35 mm) male quick connect terminals |
Time Delay Tolerance (%) | ±5% |
KRDM220 Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| KRDM220 | 2x2 D.O.M. W/RELAY | View More |
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