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MCB Circuit Breaker 10kA 4 Pole 50A Characteristic B NBN450
local index:
ABB067HAGE
Catalog No:
NBN450
EAN code:
3250614614224
Price:
96,59 €
gross / pcs.
(including VAT 23%)
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Quantity pcs.
(multiplicity:
1
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Product description
MCB circuit breaker to protect the electrical installation against the effects of short circuits and overloads. It can also be used as a means of protection against electric shock - automatic shutdown in the event of a short-circuit with negligible impedance between the line conductor and the accessible conductive part or the protective conductor.
Technical data
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Characteristicb
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Depth [mm]70
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Tightening torque [Nm]2.8
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Rated current [A]50
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Level of securityIP20
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power loss [W]20.3
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Width [mm]70
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Height [mm]83
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Mechanical durability (number of cycles)20000
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Rated switching voltage [V]400
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Max/min value of the AC current of the protection activation3/5 In
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Input terminal capacitance (wire) [mm²]1/35
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Output terminal capacitance (wire) [mm²]1/35
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Rated current at 20°C [A]52.61
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Rated current at 40°C [A]46.91
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Rated current at 50°C [A]43.6
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Rated current at 60°C [A]40.02
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Rated current at 70°C [A]36.09
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Supply voltage typeAC
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Rated current correction factor for 3 devices installed side by side0.95
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Number of protected poles4
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Rated frequency [Hz]60
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Number of poles4
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Rated insulation voltage [V]500
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FamilyMCB
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Power dissipation [W]9
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Power loss per pole [W]5.4
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Connection typeWith a screw
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Electrical endurance (number of cycles)4000
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Operating temperature range [°C]from -25 to 60
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Number of modules4
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Input terminal capacity (cord) [mm²]1/25
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Output terminal capacity (cord) [mm²]1/25
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Ultimate short-circuit breaking capacity per pole for 400V [kA]3
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Rated current at 30°C [A]50
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Rated current at 45°C [A]45.29
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Rated current at 55°C [A]41.85
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Rated current at 65°C [A]38.11
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storage temperature [°C]from -25 to 80
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Rated current correction factor for 2 devices installed side by side1
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Rated surge voltage [V]6000
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PKWIU27.12.22.0
Other technical data
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Built-in depth70 mm
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Number of poles (total)4
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Rated current50 A
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Rated insulation voltage Ui500 V
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Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V10 kA
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Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V10 kA
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Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V15 kA
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Current limiting class3
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Over voltage category3
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Additional equipment possibleYes
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Degree of protection (IP)IP20
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Connectable conductor cross section multi-wired1 ... 25 mm²
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Release characteristicB
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Number of protected poles4
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Rated voltage400 V
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Rated impulse withstand voltage Uimp6 kV
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Voltage typeAC
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Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V30 kA
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Frequency50 ... 60 Hz
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Concurrently switching neutral conductorNo
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Pollution degree2
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Width in number of modular spacings4
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Ambient temperature during operating-25 ... 70 °C
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Connectable conductor cross section solid-core1 ... 35 mm²
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