MCB 4P 10kA/15kA D-25A 4M NDN425A
EAN
3250614619410
Packaging
3
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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 1 other products available
Complete your system
Technical properties
Electric current
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Rated current25 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°C32,08 A
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Rated current at -20°C31,44 A
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Rated current -15°C30,79 A
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Rated current -10°C30,15 A
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Rated current -5°C29,51 A
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Rated current at 0°C28,86 A
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Rated current 5°C28,22 A
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Rated current 10°C27,58 A
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Rated current 15°C26,93 A
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Rated current at 20°C26,29 A
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Rated current 25°C25,64 A
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Rated current 30°C25 A
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Rated current 35°C24,36 A
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Rated current at 40°C23,71 A
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Rated current at 45°C23,07 A
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Rated current at 50°C22,43 A
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Rated current 55°C21,78 A
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Rated current 60°C21,14 A
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Rated current 65°C20,49 A
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Rated current 70°C19,85 A
Architecture
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Type of pole4P
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CurveD
Capacity
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Number of modules4
Main electrical attributes
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Rated short-circuit breaking capacity Icn AC according to IEC 60898-110 kA
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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
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
Installation, mounting
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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
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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Operating temperature-25 - 70 °C
Power
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Total power loss under IN14,75 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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Width70 mm
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Depth70 mm
Environmental value
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Certifications and documents
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