C25N3TM200 Circuit breaker, ComPacT NSX250N, 50kA 415VAC, 3 poles, TMD trip unit 200A Schneider Electric c25w3tm250 image 150
C25N3TM250 | Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 3 poles, TMD trip unit 250A - Schneider Electric Original price was: ₹63,470.00.Current price is: ₹31,735.00. Excl. GST
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C25N6TM250 Circuit breaker, ComPacT NSX250N, 50kA 415VAC, 4 poles 3D neutral not protected , TMD trip unit 250A Schneider Ele
C25N6TM250 | Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 4 poles 3D (neutral not protected), TMD trip unit 250A - Schneider Electric Original price was: ₹80,720.00.Current price is: ₹38,745.60. Excl. GST
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C25F42D250 Circuit breaker, ComPacT NSX250F, 36kA 415VAC, 4 poles, MicroLogic 2.2 trip unit 250A Schneider Electric c25w42d25
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C25N42D250 | Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 4 poles, MicroLogic 2.2 trip unit 250A – Schneider Electric

SKU: C25N42D250

Original price was: ₹104,850.00.Current price is: ₹52,425.00. Excl. GST

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    Looking for the C25N42D250 | Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 4 poles, MicroLogic 2.2 trip unit 250A? This genuine Schneider Electric mccb from the ComPacT range is built for reliable circuit protection and isolation, combining proven reliability with full compliance to applicable IEC/IS standards. Key ratings include 250 A at 40 °C, 690 V AC 50/60 Hz, 4P. Order part number C25N42D250 from myelectric.in — a trusted Schneider Electric supplier offering competitive pricing, GST billing, and shipping across India and overseas.

    📋 Technical Specifications

    Product
    BrandSchneider Electric
    Part Number / SKUC25N42D250
    CategoryMCCB
    Main
    RangeComPacT
    Product nameComPacT NSX
    Device short nameNSX250N
    Product or component typeCircuit breaker
    Device applicationDistribution
    Poles description4P
    Protected poles description4D
    3D + N/2
    3D + N/2
    Neutral positionLeft
    [In] rated current250 A at 40 °C
    [Ue] rated operational voltage690 V AC 50/60 Hz
    Network typeAC
    Network frequency50/60 Hz
    Suitability for isolationYes conforming to EN/IEC 60947-2
    Utilisation categoryCategory A
    Breaking capacity90 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
    36 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
    35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
    10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
    85 kA Icu at 240 V AC 50/60 Hz conforming to UL 60947-4-1
    50 kA Icu at 480 V AC 50/60 Hz conforming to UL 60947-4-1
    15 kA Icu at 600 V AC 50/60 Hz conforming to UL 60947-4-1
    Breaking capacity codeN 50 kA 415 V AC
    Trip unit nameMicroLogic 2.2
    Trip unit technologyElectronic
    Trip unit protection functionsLSoI
    Control typeToggle
    Circuit breaker mounting modeFixed
    Complementary
    [Ui] rated insulation voltage800 V AC 50/60 Hz
    [Uimp] rated impulse withstand voltage8 kV
    [Ics] rated service breaking capacity90 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
    36 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
    35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
    10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
    Mechanical durability20000 cycles
    Electrical durability20000 cycles at 440 V In/2
    10000 cycles at 440 V In
    10000 cycles at 690 V In/2
    5000 cycles at 690 V In
    Power dissipation per pole17.6 W
    Mounting supportBackplate
    Mounting positionHorizontal and vertical
    Flat on the back
    Upside connectionFront
    Downside connectionFront
    Connection pitch35 mm
    Protection typeL : for overload protection (long time)
    So : for short time short-circuit protection with fixed delay
    I : for instantaneous short-circuit protection
    Trip unit rating250 A at 40 °C
    Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings
    [Ir] long-time protection pick-up adjustment range100…250 A
    Long-time protection delay adjustment type trFixed
    [tr] long-time delay adjustment range400 s at 1.5 x Ir
    16 s at 6 x Ir
    11 s at 7.2 x Ir
    Neutral protection setting0.5 x Ir (3D + N/2)
    1 x Ir (4D)
    No protection (3D)
    Thermal memory20 minutes before and after tripping
    Short-time protection pick-up adjustment type IsdAdjustable 9 settings
    [Isd] Short-time protection pick-up adjustment range1.5…10 x Ir
    Short-time protection delay adjustment type tsdFixed
    Instantaneous protection pick-up adjustment type IiFixed
    [Ii] instantaneous protection pick-up adjustment range3000 A
    Earth-leakage protectionWithout
    Zone selective interlocking ZSIWithout
    Number of slots5 slot(s)
    Local signallingFlashing LED (green) for ready to operate
    LED 105 % Ir (red) for overload
    LED 90 % Ir (orange) for overload
    Width (W)140 mm
    Height (H)161 mm
    Depth (D)86 mm
    Product weight2.8 kg
    Environment
    StandardsEN/IEC 60947-2
    Overvoltage categoryIII
    Electrical shock protection classClass II on front face
    Pollution degree3 conforming to IEC 60664-1
    IP degree of protectionIP40 conforming to IEC 60529
    IK degree of protectionIK07 conforming to IEC 62262
    Ambient air temperature for operation-25…70 °C
    Ambient air temperature for storage-50…85 °C
    Relative humidity0…95 %
    Operating altitude0…2000 m without derating
    2000 m…5000 m with derating
    Packing Units
    Unit Type of Package 1PCE
    Number of Units in Package 11
    Package 1 Height14.200 cm
    Package 1 Width15.000 cm
    Package 1 Length19.500 cm
    Package 1 Weight2.634 kg
    Unit Type of Package 2S03
    Number of Units in Package 26
    Package 2 Height30.000 cm
    Package 2 Width30.000 cm
    Package 2 Length40.000 cm
    Package 2 Weight16.180 kg
    Contractual warranty
    Warranty (in months)18

    ⚡ Key Features

    • 250 A frame rating — handles the full rated current continuously; designed for feeder and sub-distribution protection where fault levels exceed MCB capability.
    • Performance level N — breaking capacity 50 kA (normal high breaking, for industrial main distribution boards).
    • Micrologic 2.2 electronic trip unit — basic LSI protection — adjustable overload threshold (Ir) and instantaneous short-circuit (Im).
    • 4 Poles — three-phase + switched neutral (TN-S system) for full four-pole isolation per IEC 60364.
    • CompacT NSX form factor — 70mm wide per pole; designed for high-density LV switchboards with up to 3 units per standard 250mm busbar bay.
    • Rotary handle with padlocking points — LOTO compliant; handle locks in OFF position with up to 3 padlocks, preventing accidental energisation during maintenance.
    • Manufactured to IEC 60947-2 / IS 13947-2 — complies with the applicable Indian BIS and IEC international standards for this product category.
    • BIS certified, CE marked, RoHS compliant — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
    • Genuine authorised Schneider Electric product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
    • GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.

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    The following genuine accessories and compatible devices are designed to work with this product. Contact myelectric.in for pricing and availability:

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    ❓ Frequently Asked Questions

    Q: What load can the C25N42D250 protect at its rated 250 A?

    A: The C25N42D250 is rated to carry and protect circuits up to 250 A continuously. For motor loads, ensure the full-load current (FLC) of the motor does not exceed this rating. For resistive loads (heaters, lighting), the 250 A rating is used directly. Derate by 20% for ambient temperatures above 40°C.

    Q: What does the 50 kA breaking capacity on the C25N42D250 mean in practice?

    A: Breaking capacity (50 kA) is the maximum prospective short-circuit current the C25N42D250 can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 50 kA — this is checked using a fault level calculation or from the upstream transformer impedance data. Installing a breaker with insufficient breaking capacity is a serious safety violation.

    Q: Is the C25N42D250 suitable for use as a motor branch circuit protector (Type E coordination)?

    A: MCCBs used for motor branch circuit protection must be coordinated with the downstream overload relay for Type 2 coordination (no damage to contactor or relay on short-circuit). Verify the Schneider Electric coordination table for the specific contactor-overload-MCCB combination to confirm Type 1 or Type 2 coordination is achieved.

    Q: Can the C25N42D250 be motorised for remote switching and automation?

    A: Yes. Schneider Electric MCCBs in this series support rotary handle adaptation and motorised operating mechanisms as accessories, enabling remote ON/OFF switching via PLC, SCADA, or BMS. Motorised MCCBs are used for automatic load management and remote trip in automated distribution systems.

    Q: What trip unit type does the C25N42D250 use — thermal-magnetic or electronic?

    A: The C25N42D250 uses a MicroLogic electronic trip unit, offering adjustable protection functions: long-time overload (Ir), short-time (Isd), and instantaneous (Ii) settings, with optional earth fault protection. Electronic trip units provide superior accuracy over thermal-magnetic units.

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