The KRDI 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 KRDI Series is a cost effective approach for OEM applications that require small size, isolation, reliability, and long life. Operation (Interval) Upon application of input voltage, the time delay begins. The output relay energizes during the time delay. At the end of the time delay, the output de-energizes and remains de-energized until input voltage is removed. Reset: Removing input voltage resets the time delay and the output. Pre-order 6-8 Weeks Specifications Time Delay Range 0.1s - 100m in 5 adjustable ranges or fixed Repeat Accuracy ±0.5% or 20ms, whichever is greater Tolerance (Factory Calibration) ≤ ± 5% Reset Time ≤ 150ms Initiate Time ≤ 40ms; Time Delay vs Temp. & Voltage ≤ ±5% Input Voltage 12, 24 or 110VDC; 24, 120 or 230VAC Tolerance 12VDC & 24VDC/AC -15% - 20%110VDC, 120 or 230VAC -20% - 10% AC Line Frequency/DC Ripple 50/60 Hz / ≤ 10% Power Consumption AC ≤ 2VA; DC ≤ 2W Output Type Isolated relay contacts Form SPDT Rating (at 40°C) 10A resistive @ 125VAC;5A resistive @ 230VAC & 28VDC;1/4 hp @ 125VAC Max. Switching Voltage 250VAC Life (Operations) Mechanical - 1 x 10⁷ ; Electrical - 1 x 10⁵ Protection Polarity DC units are reverse polarity protected Circuitry Encapsulated Isolation Voltage ≥ 1500V RMS input to output Insulation Resistance ≥ 100 MΩ Mechanical Mounting Surface mount with one #10 (M5 x 0.8) screw Dimensions H 50.8 mm (2”)W 50.8 mm (2”)D 30.7 mm (1.21”) Termination 0.25 in. (6.35 mm) male quick connect terminals Environmental Operating/Storage Temperature -20° to 60°C / -40° to 85°C Humidity 95% relative, non-condensing Weight ≅ 2.6 oz (74 g)
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