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Long-time pick-up adjustment type Ir (thermal protection)
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Adjustable 9 settings
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[Ir] long-time protection pick-up adjustment range
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160...400 A
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Long-time protection delay adjustment type tr
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Adjustable
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[tr] long-time protection delay adjustment range
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15…400 s at 1.5 x Ir
0.35…11 s at 7.2 x Ir
0.5…16 s at 6 x Ir
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Thermal memory
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20 minutes before and after tripping
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Short-time protection pick-up adjustment type Isd
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Adjustable
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[Isd] Short-time protection pick-up adjustment range
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1.5...10 x Ir
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Short-time protection delay adjustment type tsd
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Adjustable
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[tsd] Short-time protection delay adjustment range
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0…0.4 s
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Instantaneous protection pick-up adjustment type Ii
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Adjustable
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[Ii] instantaneous protection pick-up adjustment range
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4800 A Compact NSX630
1.5...12 x In Compact NSX400
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Earth-leakage protection
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Integrated
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Earth-leakage protection class
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Class A
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Earth-leakage protection sensitity adjustment type IΔn
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Adjustable
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[IΔn] earth-leakage protection sensitivity adjustment range
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1 A
500 mA
3 A
300 mA
10 A
5 A
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Earth-leakage protection specific mode
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OFF using the IΔn rotary switch
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Earth-leakage protection time delay adjustement type Δt
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Adjustable
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[Δt] Earth-leakage protection time delay adjustment range
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60 ms
150 ms
500 ms
1 s
0 ms
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Neutral protection settings
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0.5 x Ir (3t + N/2)
1 x Ir (4t)
1.6 x Ir (3t + OSN)
No protection (3t)
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Zone selective interlocking ZSI
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Without
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Local signalling
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Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
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Display type
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LCD display
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Type of measurement
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Energy meter
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Communication of data
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Maximeters/minimeters
Maintenance indicators
Time-stamped histories and event tables
Earth leakage current
Energy metering
Protection and alarm settings
Test reports
Instantaneous and demand values
Demand current and power
Power quality
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REACh Declaration