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MCB 4P 20kA C-32A 4M NRN432
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Complete your system
Optional accessories
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AOB type AC 7 products available -
AOB type AC/A-SEL 5 products available -
AOB type A-HI 4 products available
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Modular phase busbar 1 products available -
Terminal cover 1 products available
Complete your system
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BE464
Earth leakage add-on block 4P 63A 100mA AC Class
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BG464Earth leakage add-on block 4P 63A 500mA AC Class
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BFC840Earth leakage add-on-block with double output 4P 40A 300mA AC class
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BFC863Earth leakage add-on-block with double output 4P 63A 300mA AC class
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BDC840
Earth leakage add-on-block with double output 4P 40A 30mA AC class
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BD441Earth leakage add-on block 4P 40A 30mA AC Class
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BF441Earth leakage add-on block 4P 40A 300mA AC Class
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BFH840
Earth leakage add-on-block with double output 4P 40A 300mA A high immunity class
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BDH840Earth leakage add-on-block with double output 4P 40A 30mA A high immunity class
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BFH863
Earth leakage add-on-block with double output 4P 63A 300mA high immunity class
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BD440Earth leakage add-on block 4P 40A 30mA A high immunity Class
Technical properties
Electric current
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Rated current32 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 400 V AC IEC 60947-220 kA
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Rated ultimate short-circuit breaking capacity Icu under 230 V AC IEC 60947-240 kA
Architecture
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Type of pole4P
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
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 Ue415 - 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 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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Air humidity protectionFor all climates
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Operating temperature-25 - 70 °C
Power
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Total power loss under IN16.50 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
Downloads
More documentation
