UR9HH is the Multilin UR family's ultra-low-power DI slice. It wakes up 24 dry-contacts with only 0.5 mW trigger energy, slashes rack power 38 %, and still delivers SIL 2 / 2 kVrms isolation—perfect for hydrogen-cooled generators, offshore platforms or any place that counts electrons instead of wasting them.
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Parameter Axis
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UR9HH Cloud Value
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Industry "Eye"
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Delta
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Trigger Energy
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0.5 mW / 2 mA
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3 mA avg.
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-33 %
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Isolation
|
2 kVrms surge
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1.5 kVrms
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+33 %
|
|
De-bounce
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0-65 ms, 1 ms step
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Fixed 10 ms
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6× flex
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Temp-Drift
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±0.15 % (-25-70 °C)
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±0.3 % typical
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2× better
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Power Draw
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1.1 W fully loaded
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1.8 W (UR9GH)
|
-39 %
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SIL Rating
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SIL 2 / SC 3 (TÜV)
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SIL 1 common
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2× margin
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1.Offshore night-shift — salt fog 3 000 h, no contact corrosion
2.Hâ‚‚-cooled pump — micro-switch whisper at 0.5 mW
3.Pumped-storage cave — 2 kV lightning ride-through, zero false pulse
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