MCB 3P 10kA/15kA D-20A 3M NDN320A
EAN
3250614619250
Packaging
4
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Complete your system
Optional accessories
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Auxiliaries contact block 2 products available -
Shunt release 2 products available -
Under voltage coil 1 products available -
Phase separation functions 1 products available -
Locking interlocking functions 1 products available -
See more 3 other products available
Complete your system
Technical properties
Electric current
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Rated current20 A
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Rated service breaking capacity Ics under 230 V AC according to IEC 60947-215 kA
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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 ultimate short-circuit breaking capacity Icu under 230 V AC IEC 60947-230 kA
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Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-215 kA
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Rated current -25°C24,78 A
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Rated current at -20°C24,38 A
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Rated current -15°C23,98 A
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Rated current -10°C23,57 A
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Rated current -5°C23,16 A
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Rated current at 0°C22,73 A
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Rated current 5°C22,30 A
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Rated current 10°C21,86 A
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Rated current 15°C21,41 A
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Rated current at 20°C20,95 A
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Rated current 25°C20,48 A
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Rated current 30°C20 A
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Rated current 35°C19,48 A
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Rated current at 40°C18,94 A
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Rated current at 45°C18,39 A
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Rated current at 50°C17,81 A
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Rated current 55°C17,22 A
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Rated current 60°C16,61 A
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Rated current 65°C15,98 A
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Rated current 70°C15,32 A
Architecture
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Type of pole3P
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CurveD
Capacity
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Number of modules3
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
Main electrical attributes
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Rated short-circuit breaking capacity Icn AC according to IEC 60898-110 kA
Voltage
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Rated operational voltage Ue400 - 400 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 Uimp6000 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
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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Operating temperature-25 - 70 °C
Power
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Total power loss under IN8,04 W
Endurance
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Electric endurance in number of cycles4000
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Number of mechanical operations20000
Connectivity
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Type of connectionScrew terminal
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Top connection alignment for modular devicesAligned terminal
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Down connection alignment for modular devicesAligned terminal
Dimensions
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Height83 mm
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Width52,50 mm
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Depth70 mm
Environmental value
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Certifications and documents
Downloads
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