McMaster-Carr logo
    Filter by
    Number of Poles
    Mounting Location
    Breakthrough Current @ Voltage
    Depth Behind Panel
    DFARS Specialty Metals
    Electrical Connection
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Frequency
    Manual Reset Style
    Maximum Temperature
    Minimum Temperature
    Mount Type
    Panel Cutout Diameter
    Reset Type
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    UL File Number
    Circuit Breaker Interruption Type
    Specifications Met
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    1 Product

    Panel-Mount Equipment Circuit Breakers

    Mount these breakers, also known as supplemental protectors, through panels downstream from a branch circuit breaker to protect a single piece of equipment. These breakers can also be used as on/off switches. All are thermal, so they use the heat generated in overcurrent situations to trip the breaker.
    Toggle-Switch Style—Screw-On Mount
    Image of Product. Front orientation. Circuit Breakers. Panel-Mount Equipment Circuit Breakers, Toggle Switch Manual Reset.
    UL 1077—They are rated UL 1077 for protection against overloads and short circuits.
    Breakthrough Current @ Voltage—Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
    Current,
    A
    Voltage
    Freq., Hz
    Breakthrough Current @ Voltage
    For Panel
    Cutout Dia.
    Dp. Behind
    Panel
    Mounting Fasteners
    Included
    Quick-Disconnect
    Tab Wd.
    Temp. Range,
    ° F
    Specs.
    Met
    Certification
    Each
    1 Pole
    4/1075V DC
    250V AC
    50/601,000 amp @ 250V AC
    800 amp @ 75V DC
    1/4"2.42"Yes0.25"-20 to 140UL 1077UL Recognized Component
    0000000000000
    Panel-Mount Circuit Breaker, Toggle Style, Screw-on Mount, 1 Pole, 4/10A
    EachIn stock
     
    back to top