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    • NQN363
    The Hager MCB 3P 15kA B-63A 3M miniature circuit breaker protects three-phase circuits against overloads and short circuits. Rated 63 A with B-curve for standard/resistive final circuits, it offers 15 kA Icu (230/400 V), 10 kA Icn (IEC 60898-1), and 7.5 kA Ics. 415 V AC, 50/60 Hz. Compact 3 modules (52.5 mm). Screw/biconnect terminals for 1-35 mm². IP20, -25 to 70 °C. 20,000 mech/4,000 electrical ops.
    EAN
    3250614645822
    VPE
    1 piece

    Miniature circuit breaker 3P 20A Curve B Icu 25kA 415V AC 3 Modules NQN363

    Phase out product: please contact your electrical wholesaler for availability

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    Miniature circuit breaker 3P 20A Curve B Icu 25kA 415V AC 3 Modules

    NQN363

    • Accessories
    • Technical characteristics
    • catalog.pageproduct.title_sustainability.h2
    • Documentations

    product.page.accessories.title

    product.page.accessories.associated-products

    • Terminal cover 1 product.page.accessories.products-available
    • Modular phase busbar 3 product.page.accessories.products-available
    • AOB type A-HI 2 product.page.accessories.products-available
    • AOB type AC 2 product.page.accessories.products-available
    • Protective cap/strip for phase busbar 1 product.page.accessories.products-available

    product.page.accessories.title-modal

    • Terminal cover
    • Modular phase busbar
    • AOB type A-HI
    • AOB type AC
    • Protective cap/strip for phase busbar
    • MZN120

      Terminal shield / screw shield for MCB

      €0.00  / *
    • KDN363A

      Insulated busbar 3P 63A fork 10mm² 12M

      €0.00  / *
    • KDN363B

      Insulated busbar 3P 63A fork 10mm² 57M

      €0.00  / *
    • KDN380B

      Insulated busbar 3P 80A fork 16mm² 57M

      €0.00  / *
    • BF363

      Earth leakage add-on block 3P 63A 300mA A high immunity Class

      €0.00  / *
    • BD363

      Earth leakage add-on block 3P 63A 30mA A high immunity Class

      €0.00  / *
    • BD364

      Earth leakage add-on block 3P 63A 30mA AC Class

      €0.00  / *
    • BG364

      Earth leakage add-on block 3P 63A 500mA AC Class

      €0.00  / *
    • KZN023

      Endcap for busbars KDN 2 poles and 3 poles

      €0.00  / *

    Technical characteristics

    Elec­tric current
    • Rated current IN
      63 A
    • Rated service breaking capa­city Ics under 230 V AC according to IEC 60947-2
      15 kA
    • Rated ulti­mate short-­cir­cuit breaking capa­city Icu AC IEC 60947-2
      15 kA
    • Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 400 V AC IEC 60947-2
      15 kA
    • Rated current at -15°C
      76.19 A
    • Rated current at -10°C
      74.72 A
    • Rated current at -5°C
      73.26 A
    • Rated current at 0°C
      71.79 A
    • Rated current at 5°C
      70.33 A
    • Rated current at 10°C
      68.86 A
    • Rated current at 15°C
      67.4 A
    • Rated current at 20°C
      65.93 A
    • Rated current at 25°C
      64.47 A
    • Rated current at 30°C
      63 A
    • Rated current at 35°C
      60.85 A
    • Rated current at 40°C
      58.7 A
    • Rated current at 45°C
      56.55 A
    • Rated current at 50°C
      54.4 A
    • Rated current at 55°C
      52.25 A
    • Rated current at 60°C
      50.1 A
    • Rated current at 65°C
      47.95 A
    • Rated current at 70°C
      45.8 A
    • Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 230 V AC IEC 60947-2
      30 kA
    Archi­tec­ture
    • Type of pole
      3P
    • Curve
      B
    Capa­city
    • Number of modules
      3
    Install­a­tion, mounting
    • Nominal tight­ening torque top terminal
      2.80 - 2.80 Nm
    • Nominal tight­ening torque down terminal
      2.80 - 2.80 Nm
    • Nominal tight­ening torque
      2.80 - 2.80 Nm
    • Type of bottom connec­tion for modular devices
      bicon­nect
    • Type of top connec­tion for modular devices
      Screw terminal
    • 360° mounting posi­tion possible
      Yes
    Voltage
    • Rated oper­a­tional voltage Ue
      230 - 415 V
    • Type voltage supply
      AC
    • Rated insu­la­tion voltage Ui
      500 V
    • Rated impulse with­stand voltage Uimp
      6000 V
    Frequency
    • Frequency
      50 - 60 Hz
    Connec­tion
    • Cross-sec­tion of input and output with screws, for massive conductors
      1 - 35 mm²
    • Cross-sec­tion of input and output with screws, for flex­ible conductors
      1 - 25 mm²
    • Cross-sec­tion of input with screws, for flex­ible conductors
      1 - 25 mm²
    • Cross-sec­tion of input with screws, for massive conductors
      1 - 35 mm²
    Safety
    • Ingress Protec­tion (IP) class
      IP20
    Use condi­tions
    • Degree of pollu­tion according to IEC 60664 / IEC 60947-2
      2
    • Class of energy limit­a­tion I²t
      3
    • Air humidity protec­tion
      For all climates
    • Oper­ating temper­ature
      -25 - 70 °C
    Power
    • Power dissip­a­tion at IN
      19.90 W
    Connectivity
    • Type of connec­tion
      Screw terminal
    • Top connec­tion align­ment for modular devices
      Aligned terminal
    • Down connec­tion align­ment for modular devices
      Aligned terminal
    Dimen­sions
    • Height
      83 mm
    • Width
      52.50 mm
    • Depth
      70 mm
    Endur­ance
    • Elec­tric endur­ance in number of cycles
      4000

    catalog.pageproduct.title_sustainability.h2

    We are committed to bettering our environmental performance by reducing our footprint while acting as a sustainability enabler for our customers. Learn More

    catalog.pageproduct.sustainability_block.downloads_h3

    REACH declaration NQN363
    PDF
    RoHS report NQN363
    PDF

    Downloads

    • Image NQN363  | Hager UK

      Product Image NQN363

    • ProductECDeclaration

      Image Declaration of conformity en-US 2026-07-15  | Hager UK

      Declaration of conformity en-US 2026-07-15

      PDF
      274,42 kB
      Image UKCA Declaration of Conformity  | Hager UK

      UKCA Declaration of Conformity

      Declaration of conformity en-GB 2024-10-02

      PDF
      653,93 kB
    More documentation

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