Miniature Circuit Breaker 1P 20A 10kA Curve C biconnect 1 Module NT120C
Technical properties
Electric current
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Rated current20 A
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Rated short-circuit breaking capacity Icn under 230 V AC according to IEC 60898-110 kA
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Rated current -15°C23,20 A
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Rated current -10°C22,80 A
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Rated current -5°C22,50 A
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Rated current at 0°C22,20 A
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Rated current 5°C21,80 A
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Rated current 10°C21,50 A
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Rated current 15°C21,10 A
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Rated current at 20°C20,70 A
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Rated current 25°C20,40 A
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Rated current 30°C20 A
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Rated current 35°C19,60 A
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Rated current at 40°C19,20 A
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Rated current at 45°C18,80 A
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Rated current at 50°C18,40 A
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Rated current 55°C18 A
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Rated current 60°C17,60 A
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Rated current 65°C17,20 A
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Rated current 70°C16,80 A
Architecture
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Type of pole1P
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CurveC
Capacity
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Number of modules1
Main electrical attributes
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Rated short-circuit breaking capacity Icn AC according to IEC 60898-110 kA
Installation, mounting
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Nominal tightening torque top terminal2,80 - 2,80 Nm
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Nominal tightening torque down terminal2,80 - 2,80 Nm
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Nominal tightening torque2,80 - 2,80 Nm
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Type of bottom connection for modular devicesbiconnect
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Type of top connection for modular devicesScrew terminal
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360° mounting position possibleYes
Voltage
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Rated operational voltage Ue240 - 415 V
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Type voltage supplyAC
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Rated insulation voltage Ui500 V
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Rated impulse withstand voltage Uimp4000 V
Frequency
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Frequency50 - 60 Hz
Connection
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Cross-section of input and output with screws, for massive conductors1 - 35 mm²
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Cross-section of input and output with screws, for flexible conductors1 - 25 mm²
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Cross-section of input with screws, for flexible conductors1 - 25 mm²
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Cross-section of input with screws, for massive conductors1 - 35 mm²
Safety
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Ingress Protection (IP) classIP20
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Grid distance35 mm
Use conditions
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Degree of pollution according to IEC 60664 / IEC 60947-22
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Class of energy limitation I²t3
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Air humidity protectionFor all climates
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Operating temperature-25 - 70 °C
Power
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Total power loss under IN2,70 W
Connectivity
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Top connection alignment for modular devicesAligned terminal
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Down connection alignment for modular devicesAligned terminal
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Type of connectionScrew terminal
Dimensions
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Height83 mm
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Width17,50 mm
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Depth70 mm
Environmental value
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Certifications and documents
Downloads
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Product image
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Product datasheet
Hager Product data sheet NT120C
MCB 1P 10kA C-20A 1M
PDF -
Declaration of conformity
EU Declaration of Conformity
Declaration of conformity en-GB 2024-10-02
PDF650,27 kB
UKCA Declaration of Conformity
Declaration of conformity en-GB 2024-10-02
PDF653,93 kB
More documentation