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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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18...40 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 9 settings
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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 I²t=off
0.1…0.4 s I²t=on
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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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1.5...12 x In Compact NSX250
1.5...15 x In Compact NSX100
1.5...15 x In Compact NSX160
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Ground-fault protection pick-up adjustment type Ig
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Adjustable
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[Ig] ground-fault protection pick-up adjustment range
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0.4...1 x In for In = 40 A
0.2...1 x In for In > 40 A
Ig enable on/off
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Ground-fault protection time delay adjustment type tg
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Adjustable
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[tg] ground-fault protection time delay adjustment range
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0…0.4 s I²t=off
0.1…0.4 s I²t=on
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Earth-leakage protection
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Without
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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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With
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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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Ammeter
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Communication of data
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Instantaneous and demand values
Time-stamped histories and event tables
Maximeters/minimeters
Demand current and power
Protection and alarm settings
Power quality
Energy metering
Maintenance indicators
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Electrical data recording
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Maintenance indicators
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EU RoHS Declaration