The Hager MCB 1P 25kA B-25A 1M safeguards circuits against overloads and short circuits. Rated 25 A with B-curve for lighting/resistive loads, it offers 25 kA Icu (Ics 7.5 kA @230 V) and 10 kA Icn. Suits 240-415 V AC, 50-60 Hz. Compact 1 module (17.5 mm), IP20, 6 kV impulse. Screw/biconnect terminals 1-35 mm², 360° mounting. Durable (20,000 mech/4,000 elec). Ideal for high fault level boards.
EAN
3250614645488
Packaging
1 Piece
MCB 1P 16A 25kA Curve B 1 Module NQN125
Phase out product: please contact your electrical wholesaler for availability
Technical properties
Electric current
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Rated current25 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 ultimate short-circuit breaking capacity Icu AC IEC 60947-225 kA
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
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 Ue240 - 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 IN3.37 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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Width17.50 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 NQN125
MCB 1P 25kA B-25A 1M
PDF -
Declaration of conformity
UKCA Declaration of Conformity
Declaration of conformity en-GB 2024-10-02
PDF653,93 kB
More documentation