Miniature Circuit Breaker 1P 8A C Curve 14kA IP20 DIN Rail 18mm
Schneider Electric

Schneider Electric M9F42108 Miniature Circuit Breaker 1P 8A C Curve 14kA IP20 DIN Rail 18mm

  • MPN: M9F42108
  • PPN: SCH-M9F42108
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    $46.02

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    Spec sheet

    Description

    Miniature Circuit Breaker 1P 8A C Curve 14kA IP20 DIN Rail 18mm

    Features

    • Designed specifically as a UL 489 miniature circuit breaker, the M9F42108 is engineered for branch circuit protection in industrial control panels and automation systems. Unlike standard supplementary protectors, this 1-pole, 8-amp breaker provides the high-level safety performance required for heavy-duty applications, ensuring your panel build-outs easily pass North American regulatory inspections.
    • Featuring a "C" trip curve, this breaker is optimized for circuits with moderate inrush currents, such as small motors, lighting ballasts, and control transformers. It provides a strategic delay to prevent nuisance tripping during equipment startup while maintaining a rapid thermal-magnetic response to protect sensitive downstream components from short circuits and thermal overloads.
    • The compact 18mm width and snap-on DIN rail mounting allow for high-density installation in crowded control cabinets. Its modular architecture simplifies both initial wiring and future system expansions, while the IP20-rated terminals and clear "OFF/ON" visual status window ensure safer, faster troubleshooting for maintenance technicians and industrial electricians.

    Documentation & Downloads

    Specifications

    Additional

    Rated Current
    8 A 25 C EN/IEC 60947-2
    Breaking Capacity
    3 kA to 20 kA Icu various voltages EN/IEC 60947-2, GB 14048.2, UL 489, CSA
    Insulation Voltage
    500 V AC EN/IEC 60947-2
    Mechanical Durability
    20000 cycles
    Poles
    1P
    Width
    18 mm
    Depth
    72 mm
    Tightening Torque
    2.5 N.m top or bottom
    Degree of Protection
    IP20 IEC 60529
    Operating Temperature
    -30 to 70 C
    Control Type
    Toggle
    Color
    Grey (RAL 7035)
    Product Certifications
    IEC, CCC, CSA, UL
    Tripping CurveC
    Rated Operational Voltage240 V AC 50/60 Hz, 415 V AC 50/60 Hz, 60 V DC
    Impulse Withstand Voltage6 kV EN/IEC 60947-2
    Electrical Durability10000 cycles
    MountingDIN rail clip-on
    Height103 mm
    Wire Stripping Length14 mm for top or bottom connection
    Connection TypeTunnel type terminal top or bottom, rigid or flexible with/without ferrule AWG 18-8
    Pollution Degree3 EN/IEC 60947-2
    Storage Temperature-40 to 80 C
    Suitability for IsolationYes EN/IEC 60947-2
    Country of OriginFrance
    Halogen ContentHalogen free

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