MCB 3P 10kA/15kA D-3A 3M NDN303A
EAN-Nr.
3250614619199
Packaging
4 Pieces
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Complete your system
Optional accessories
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Locking interlocking functions 1 products available -
Under voltage coil 2 products available -
Shunt release 2 products available -
Modular phase busbar 2 products available -
Auxiliaries contact block 2 products available -
Protective cap/strip for phase busbar 1 products available
Complete your system
Technical characteristics
Electric current
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Rated current3 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°C3,57 A
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Rated current at -20°C3,52 A
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Rated current -15°C3,47 A
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Rated current -10°C3,42 A
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Rated current -5°C3,37 A
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Rated current at 0°C3,32 A
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Rated current 5°C3,27 A
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Rated current 10°C3,22 A
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Rated current 15°C3,17 A
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Rated current at 20°C3,11 A
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Rated current 25°C3,06 A
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Rated current 30°C3 A
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Rated current 35°C2,93 A
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Rated current at 40°C2,85 A
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Rated current at 45°C2,77 A
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Rated current at 50°C2,69 A
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Rated current 55°C2,60 A
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Rated current 60°C2,52 A
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Rated current 65°C2,43 A
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Rated current 70°C2,33 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
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Grid distance60 mm
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 IN6,60 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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Product data sheet
UK_PD_TDS_TransformerMotorprotection.pdf
Technical data sheet recommending MCB's for single phase and three phase transformers.
PDF204,90 kB -
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