MCB 1P 10kA/15kA B-40A 1M NBN140A
EAN-Nr.
3250614618086
Packaging
12 Pieces
Price
£24.04
/ piece
*
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Complete your system
Optional accessories
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Mechanic accessories for low-voltage components 1 products available -
Auxiliaries contact block 2 products available -
Shunt release 2 products available -
Under voltage coil 1 products available -
Locking interlocking functions 2 products available
Complete your system
-
LZ060
Heat dissipation insert
£9.96 / piece*
-
MZ201
Auxiliary contact 1C+1O 6A 240V AC
£68.07 / piece* -
MZ202Alarm contact 1C+1O 6A 240V AC
£92.10 / piece*
-
MZ203
Shunt trip 230-415V AC 110-130V DC
£68.72 / piece* -
MZ204Shunt trip 24-48V AC 12-48V DC
£68.07 / piece*
-
MZ206
Under voltage release 230V AC
£68.72 / piece*
-
MZN175
Padlockable locking kit for MCB, RCCB and RCBO
£9.58 / piece* -
MZN176Locking wire for modular product
£9.24 / piece*
Technical characteristics
Electric current
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Rated current40 A
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Rated service breaking capacity Ics under 230 V AC according to IEC 60947-27.50 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 60947-215 kA
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Rated current -25°C60.16 A
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Rated current at -20°C58.43 A
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Rated current -15°C56.70 A
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Rated current -10°C55.35 A
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Rated current -5°C53.24 A
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Rated current at 0°C51.51 A
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Rated current 5°C49.78 A
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Rated current 10°C48.06 A
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Rated current 15°C46.33 A
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Rated current at 20°C44.60 A
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Rated current 25°C42.87 A
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Rated current 30°C40 A
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Rated current 35°C39.41 A
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Rated current at 40°C37.69 A
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Rated current at 45°C35.96 A
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Rated current at 50°C34.99 A
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Rated current 55°C32.50 A
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Rated current 60°C30.77 A
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Rated current 65°C29.04 A
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Rated current 70°C27.31 A
Architecture
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Type of pole1P
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CurveB
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
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Nominal tightening torque top terminal2.80 - 2.80 Nm
-
Nominal tightening torque down terminal2.80 - 2.80 Nm
Voltage
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Rated operational voltage Ue230 - 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 Uimp6,000 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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Class of energy limitation I²t3
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Operating temperature-25 - 70 °C
Power
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Total power loss under IN3.71 W
Endurance
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Electric endurance in number of cycles4,000
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Number of mechanical operations20,000
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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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 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
