Non Resettable Fuses | 250V Fuses | RS
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    Non Resettable Fuses

    Non-resettable fuses are single-use circuit protection devices that break a circuit when a fault is detected, offering protection to vital components. This type of fuse is designed to be mounted directly onto a printed circuit board (PCB). This type of fuse is for single use, with the fuse body and two wires that extend outside the body.

    How do non-resettable fuses work?

    Non-resettable fuses perform the role of a simple circuit breaker in a circuit. When a fault such as overcurrent or a short circuit is detected, the metal strip inside the fuse melts, stopping the flow of current and preventing damage to the circuit and any other connected devices. Once the fuse has blown, it must be replaced as it is non-resettable.

    These fuse types are often used in motors, where if overheating occurs, the power is cut before any permanent component damage occurs.

    Types of non-resettable fuses

    Non-resettable fuses can differ by their voltage and current rating, their size and their level of resistance, measured in ohms. Their body material can also vary widely, from thermoplastic to glass ceramic. This type of fuse can have a range of maximum and minimum operating temperatures.

    1774 Products showing for Non Resettable Fuses

    R 49,394
    Each (In a Pack of 5)
    RS PRO
    25A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 250 V ac
    -55°C
    +125°C
    -
    RS PRO
    315mA
    Radial
    250V ac
    T
    Nylon
    8.5mm
    -
    -
    8mm
    4.3mm
    5.08mm
    35 A
    -40°C
    +85°C
    -
    RS PRO
    20A
    -
    63V
    Fast Acting
    Ceramic
    -
    3.1mm
    1.6mm
    0.9mm
    -
    -
    100 A @ 63 V dc
    -55°C
    +125°C
    -
    RS PRO
    1.5A
    -
    63V
    Fast Acting
    Ceramic
    -
    3.1mm
    1.6mm
    0.9mm
    -
    -
    100 A @ 63 V dc
    -55°C
    +125°C
    -
    R 49,394
    Each (In a Pack of 5)
    RS PRO
    35A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 250 V ac
    -55°C
    +125°C
    -
    R 42,582
    Each (In a Pack of 5)
    RS PRO
    20A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 250 V ac
    -55°C
    +125°C
    -
    R 42,582
    Each (Supplied in a Box)
    RS PRO
    20A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 250 V ac
    -55°C
    +125°C
    -
    R 26,282
    Each (In a Pack of 5)
    RS PRO
    30A
    -
    125V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 125 V ac
    -55°C
    +125°C
    -
    R 18,554
    Each (In a Pack of 5)
    RS PRO
    4A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    50 A @ 250 V ac
    -55°C
    +125°C
    -
    R 25,304
    Each (Supplied in a Box)
    RS PRO
    0.5A
    -
    250V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    50 A @ 250 V ac
    -55°C
    +125°C
    -
    R 23,444
    Each (In a Pack of 5)
    RS PRO
    20A
    -
    125V
    -
    Ceramic Tube Non Transparent
    -
    10.1mm
    3.1mm
    3.1mm
    -
    -
    100 A @ 125 V ac
    -55°C
    +125°C
    -
    R 2,302
    Each (Supplied in a Box)
    RS PRO
    7A
    -
    125V
    SB
    Ceramic Tube Non Transparent
    -
    6.1mm
    2.6mm
    2.6mm
    -
    -
    50 A @ 125 V ac / dc
    -55°C
    +125°C
    -
    RS PRO
    20A
    -
    80V
    -
    Ceramic
    -
    7.3mm
    4mm
    5.8mm
    -
    -
    -
    -55°C
    +125°C
    -
    R 2,478
    Each (Supplied in a Box)
    RS PRO
    1.5A
    -
    125V
    F
    Ceramic Tube Non Transparent
    -
    6.1mm
    2.6mm
    2.6mm
    -
    -
    50 A @ 125 V ac/dc
    -55°C
    +125°C
    -
    R 2,302
    Each (In a Pack of 20)
    RS PRO
    7A
    -
    125V
    SB
    Ceramic Tube Non Transparent
    -
    6.1mm
    2.6mm
    2.6mm
    -
    -
    50 A @ 125 V ac / dc
    -55°C
    +125°C
    -
    RS PRO
    8A
    Radial
    250V ac
    T
    Thermoplastic
    -
    8.35mm
    4.3mm
    7.7mm
    22mm
    5.08mm
    80 A @ 250 V ac
    -55°C
    +125°C
    -
    RS PRO
    1.5A
    -
    63V
    Fast Acting
    Ceramic
    -
    1.6mm
    0.8mm
    0.8mm
    -
    -
    35 A @ 63 V dc
    -55°C
    +125°C
    -
    RS PRO
    5A
    Radial
    250V
    F
    Thermoplastic
    -
    8.35mm
    4.3mm
    7.7mm
    22mm
    5.08mm
    50 A @ 250 V ac
    -55°C
    +125°C
    -
    RS PRO
    200mA
    Radial
    250V
    F
    Thermoplastic
    -
    8.35mm
    4.3mm
    7.7mm
    22mm
    5.08mm
    35 A @ 250 V ac
    -55°C
    +125°C
    -
    RS PRO
    250mA
    Radial
    250V ac
    F
    Thermoplastic
    8.35mm
    -
    -
    7.7mm
    22mm
    5.08mm
    35 A @ 250 V ac
    -55°C
    +125°C
    -
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