United-Kingdom 
MCB 1P+N 3kA C-20A 1M MFN720A
Price
£54.93
/ piece
*
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Complete your system
Optional accessories
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Locking interlocking functions 1 products available -
Mechanic accessories for low-voltage components 1 products available
Complete your system
-
MZN175
Padlockable locking kit for MCB, RCCB and RCBO
£10.06 / piece*
-
LZ060
Heat dissipation insert
£10.46 / piece*
Technical characteristics
Architecture
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Type of pole1P+N
Electric current
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Rated current20 A
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Rated service breaking capacity Ics AC according to IEC 60898-13 kA
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Rated short-circuit breaking capacity Icn under 230 V AC according to IEC 60898-13 kA
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Min./max. threshold value of the AC thermal operation1.13 - 1.45 A
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Rated current -25°C25.30 A
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Rated current at -20°C24.90 A
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Rated current -15°C24.40 A
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Rated current -10°C24 A
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Rated current -5°C23.50 A
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Rated current at 0°C23 A
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Rated current 5°C22.60 A
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Rated current 10°C22.10 A
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Rated current 15°C21.60 A
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Rated current at 20°C21.10 A
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Rated current 25°C20.50 A
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Rated current 30°C20 A
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Rated current 35°C19.50 A
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Rated current at 40°C18.90 A
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Rated current at 45°C18.30 A
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Rated current at 50°C17.70 A
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Rated current 55°C17.10 A
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Rated current 60°C16.40 A
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Rated current 65°C15.70 A
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Rated current 70°C15 A
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Correction factor of rating current for 2 devices placed side by side1
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Correction factor of rating current for 3 devices placed side by side0.95
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Correction factor of rating current for 4 and 5 devices placed side by side0.90
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Correction factor of rating current for 6 devices placed side by side0.85
Main electrical attributes
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Rated short-circuit breaking capacity Icn AC according to IEC 60898-13 kA
Installation, mounting
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Nominal tightening torque down terminal1.90 - 1.90 Nm
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Nominal tightening torque top terminal1.90 - 1.90 Nm
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Type of top connection for modular devicesScrew terminal
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Type of bottom connection for modular devicesScrew terminal
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Nominal tightening torque1.90 - 1.90 Nm
Voltage
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Rated operational voltage Ue230 - 240 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 Uimp4,000 V
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Max. operating voltage253 V
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Overvoltage category according to IEC 60947-13
Frequency
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Frequency50 - 60 Hz
Capacity
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Number of modules1
Power
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Total power loss under IN4.40 W
Use conditions
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Operating temperature-25 - 70 °C
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Max. Altitude2,000 m
Endurance
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Electric endurance in number of cycles1,000
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Number of mechanical operations20,000
Safety
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Ingress Protection (IP) classIP20
Connectivity
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Type of connectionScrew terminal
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Top connection alignment for modular devicesShifted terminal
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Down connection alignment for modular devicesShifted terminal
Connection
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Cross-section of input with screws, for massive conductors1 - 25 mm²
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Cross-section of input with screws, for flexible conductors1 - 16 mm²
Dimensions
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Height84.70 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 datasheet
Hager Product data sheet MFN720A
MCB 1P+N 3kA C-20A 1M
PDF -
Declaration of conformity
Declaration
Declaration of conformity International 2021-07-16
PDF89,49 kB
More documentation