The Hager MCB 3P 6/10kA C-50A 3M is a three-pole C-curve 50A breaker for dependable overload and short-circuit protection in three-phase panels. Breaking capacity 6/10kA (IEC 60898-1) plus Ics 15kA and Icu 20kA at 230V, 10kA at 400V (IEC 60947-2). Rated 400V AC, Ui 500V, Uimp 6kV. Compact 3 modules with screw/biconnect terminals up to 35 mm², 2.8 Nm, IP20, 360° mounting—ideal for commercial/industrial use.
EAN
3250614628344
Packaging
4
Switch 16AX 2-gang 2-way 250V Knight Black Matt 2-button Flush 35mm NFN350
Complete your system
Optional accessories
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Terminal cover 1 products available -
Modular phase busbar 3 products available -
AOB type A-HI 2 products available -
AOB type AC 3 products available -
Protective cap/strip for phase busbar 1 products available
Complete your system
Technical properties
Electric current
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Rated current50 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 AC IEC 60947-210 kA
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Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-210 kA
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Rated current -15°C60.86 A
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Rated current -10°C59.75 A
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Rated current -5°C58.62 A
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Rated current at 0°C57.47 A
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Rated current 5°C56.29 A
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Rated current 10°C55.09 A
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Rated current 15°C53.86 A
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Rated current at 20°C52.61 A
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Rated current 25°C51.32 A
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Rated current 30°C50 A
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Rated current 35°C48.48 A
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Rated current at 40°C46.91 A
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Rated current at 45°C45.29 A
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Rated current at 50°C43.60 A
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Rated current 55°C41.85 A
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Rated current 60°C40.02 A
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Rated current 65°C38.11 A
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Rated current 70°C36.09 A
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Rated service breaking capacity Ics AC according to IEC 60947-275 %
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Rated service breaking capacity Ics AC according to IEC 60898-16 kA
Architecture
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Type of pole3P
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CurveC
Capacity
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Number of modules3
Main electrical attributes
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Rated short-circuit breaking capacity Icn AC according to IEC 60898-16 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 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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Class of energy limitation I²t3
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Operating temperature-25 - 70 °C
Power
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Total power loss under IN15.40 W
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 datasheet
Hager Product data sheet NFN350
MCB 3P 6/10kA C-50A 3M
PDF -
Declaration of conformity
UKCA Declaration of Conformity
Declaration of conformity en-GB 2025-11-13
PDF813,16 kB
More documentation