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Circuit Protection: Fuses, Circuit Breakers, and Accessories

Fuses sold by Circuit Specialists are manufactured by Optifuse.  Fuse products include fuses, fuseclips, fuseholders, fuse blocks, circuit breakers, resettable fuses, and accessories.  When you combine low-cost fuses and fuse accessories sold here with our low-cost shipping options you'll see that we offer the lowest cost fuses in the industry.  Most of our products display cross-reference information from other major fuse manufacturers like Littelfuse and Bussman so you'll be sure to find the right fuse for the job.

If you're having trouble finding the fuse you need take a look at our handy Fuse Finder tool where you can input your specs and find the right fuse for the job.

Filters

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  • FSA-P-8A
    $0.22 - $1.24
    $0.22 - $1.24
    $0.22 - $1.24
    $0.22

    250V Glass Fuse Cartridges - 100mA to 30A - 6.3 x 32 mm - Fast Acting - FSA / FSA-P Series

    Optifuse

    32mm long and 6.3mm in diameter, this fuse is fast acting with a glass body and is UL Listed/Recognized. Available with or without axial leads. Co...

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    $0.22 - $1.24
    $0.22 - $1.24
    $0.22 - $1.24
    $0.22
  • TSC-P-9A
    $0.31 - $1.97
    $0.31 - $1.97
    $0.31 - $1.97
    $0.31

    Optifuse Glass Fuse Cartridges - 100mA to 15A - 5 x 20 mm - Time Delay - TSC / TSC-P Series

    Optifuse

    20mm long and 5mm in diameter, this fuse is time lag with a glass body and is UL Listed. Available with or without axial leads Time lag fuses are ...

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    $0.31 - $1.97
    $0.31 - $1.97
    $0.31 - $1.97
    $0.31
  • AUTO MINI® BLADE, 32V 7.5A - LED
    $1.33 - $2.16
    $1.33 - $2.16
    $1.33 - $2.16
    $1.33

    32V Automotive Blade Fuses - MINI Style - LED Indicating Light - APM-I Series

    Optifuse

    Smaller than standard Regular (ATO/ATC style) blade fuses, this fuse can control more circuits by occupying less space. Comes with LED indication ...

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    $1.33 - $2.16
    $1.33 - $2.16
    $1.33 - $2.16
    $1.33
  • 3AB 1/4" X 1 1/4" - SLOW, 250V 8A
    $0.69 - $4.36
    $0.69 - $4.36
    $0.69 - $4.36
    $0.69

    Optifuse Ceramic Fuses - 100mA to 30A - Time Delay - 6.3 x 32mm - TCA / TCA-P Series

    Optifuse

    32mm long and 6.3mm in diameter, this fuse is time lag with a ceramic body and is UL Listed/Recognized. Available with or without axial leads Time...

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    $0.69 - $4.36
    $0.69 - $4.36
    $0.69 - $4.36
    $0.69
  • AUTO 1AG (1/4" X 5/8") - FAST, 7.5A
    $0.69 - $0.69
    $0.69
    $0.69 - $0.69
    $0.69

    250V Automotive Glass Fuses - 1AG (1/4" x 5/8") - Fast Acting - FSH Series

    Optifuse

    General purpose fuse, available in 32V and 125V ratings. Built of glass and with a fast acting design to open immediately during overcurrent event...

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    $0.69 - $0.69
    $0.69
    $0.69 - $0.69
    $0.69
  • ¼" x 1 ¼" FUSE GLASS BODY TIME-DELAY
    TSA-P-8A
    $0.30 - $2.56
    $0.30 - $2.56
    $0.30 - $2.56
    $0.30

    Optifuse Glass Fuse Cartridges - 200mA to 30A - 6.3 x 32 mm - Time Delay - TSA / TSA-P Series

    Optifuse

    ¼" x 1 ¼" FUSE GLASS BODY TIME-DELAY

    $0.30 - $2.56
    $0.30 - $2.56
    $0.30 - $2.56
    $0.30
  • SCA-P-8A
    $2.93 - $12.35
    $2.93 - $12.35
    $2.93 - $12.35
    $2.93

    Optifuse Ceramic Fuses - 200mA to 25A - Super Fast Acting - 6.3 x 32mm - SCA / SCA-P Series

    Optifuse

    32mm long and 6.3mm in diameter, this fuse is very fast acting, built of ceramic, and is UL Recognized. Available with or without axial leads The...

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    $2.93 - $12.35
    $2.93 - $12.35
    $2.93 - $12.35
    $2.93
  • AUTO 8AG (1/4" X 1") - FAST, 8A
    $0.45 - $0.69
    $0.45 - $0.69
    $0.45 - $0.69
    $0.45

    250V Automotive Glass Fuses - 8AG (1/4" x 1") - Fast Acting - FSX Series

    Optifuse

    General purpose fuse, available in 32V and 125V ratings. Built of glass and with a fast acting design to open immediately during overcurrent event...

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    $0.45 - $0.69
    $0.45 - $0.69
    $0.45 - $0.69
    $0.45
  • AUTO GLASS SFE - FAST, 9A
    $0.97 - $1.16
    $0.97 - $1.16
    $0.97 - $1.16
    $0.97

    32V Automotive Glass Fuses - SFE Style - Fast Acting - FSO Series

    Optifuse

    Engineered to specifications set by the Society of Fuse Engineers, this fuse is for automotive applications and is only rated to interrupt 32VDC, ...

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    $0.97 - $1.16
    $0.97 - $1.16
    $0.97 - $1.16
    $0.97
  • REGULAR AUTOMOTIVE BLADE FUSES 32 VDC
    REGULAR AUTOMOTIVE BLADE FUSES 32 VDC
    $0.02 - $505.44
    $0.02 - $505.44
    $0.02 - $505.44
    $0.02

    32V Automotive Blade Fuses - Regular (ATO/ATC Style) - APR Series

    Optifuse

    Regular Automotive Blade Fuse 32 VDC - 7.5 Amp Fast Acting/Blade Mounting A cost-effective standard automotive fuse for use in automotive, battery...

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    $0.02 - $505.44
    $0.02 - $505.44
    $0.02 - $505.44
    $0.02
  • TSF-P-9A
    $0.45 - $0.66
    $0.45 - $0.66
    $0.45 - $0.66
    $0.45

    Optifuse 100mA to 15A Glass Cartridge Fuses - 3.6 x 10 mm - Time Delay - 250VAC - TSF / TSF-P Series

    Optifuse

    10mm long and 3.6mm in diameter, this fuse is time lag with a glass body and is UL Listed. Available with or without axial leads Time lag fuses ar...

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    $0.45 - $0.66
    $0.45 - $0.66
    $0.45 - $0.66
    $0.45
  • TSE-P-9A
    Save up to 36% Save %
    $0.53
    $0.34 - $1.26
    $0.53
    $0.34 - $1.26
    $0.34 - $1.26
    $0.34

    Optifuse Glass Cartridge Fuses - 200mA to 10A - Time Delay - 5 x 15 mm - TSE / TSE-P Series

    Optifuse

    15mm long and 5mm in diameter, this fuse is time lag with a glass body and is UL Listed/Recognized. Available with or without axial leads Time l...

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    $0.53
    $0.34 - $1.26
    $0.53
    $0.34 - $1.26
    $0.34 - $1.26
    $0.34
    Save up to 36% Save %
  • TPK-R-9A
    $13.86 - $27.45
    $13.86 - $27.45
    $13.86 - $27.45
    $13.86

    Optifuse UL Class M Fuses - 1A to 30A - Time Delay - TPK-R Series

    Optifuse

    Time Delay UL Class CC fuse intended for general purpose branch circuit protection (UL 248–4). They are standalone circuit protectors that requi...

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    $13.86 - $27.45
    $13.86 - $27.45
    $13.86 - $27.45
    $13.86
  • 5 x 20 mm FUSE CERAMIC BODY TIME-DELAY (N. AMER. STD)
    TCC-P-8A
    $1.40 - $4.01
    $1.40 - $4.01
    $1.40 - $4.01
    $1.40

    Optifuse Ceramic Fuses - 1A to 20A - Time Delay - 5 x 20mm - TCC / TCC-P Series

    Optifuse

    20mm long and 5mm in diameter, this fuse is time lag with a ceramic body and is UL Listed. Available with or without axial leads Time lag fuses ar...

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    $1.40 - $4.01
    $1.40 - $4.01
    $1.40 - $4.01
    $1.40
  • 5 x 20 mm FUSE GLASS BODY MEDIUM TIME-DELAY w/AXIAL LEADS (N. AMER. STD)
    $0.44 - $1.48
    $0.44 - $1.48
    $0.44 - $1.48
    $0.44

    Optifuse Glass Cartridge Fuses - 100mA to 15A - Medium Time Delay - 5 x 20mm - MSC / MSC-P

    Optifuse

    20mm long and 5mm in diameter, this fuse is medium time lag with a glass body and is UL Listed. Available with or without axial leads. While not a...

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    $0.44 - $1.48
    $0.44 - $1.48
    $0.44 - $1.48
    $0.44
  • 5 x 20 mm FUSE GLASS BODY FAST-ACTING w/AXIAL LEADS (EUR.STD)
    $0.26 - $1.35
    $0.26 - $1.35
    $0.26 - $1.35
    $0.26

    Optifuse Glass Cartridge Fuses - 125mA to 20A - Fast Blow - 5 x 20mm - 250VAC - FSD / FSD-P Series

    Optifuse

    20mm long and 5mm in diameter, this fuse is fast acting with a glass body and is designed to meet European IEC standards (as well as being UL Reco...

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    $0.26 - $1.35
    $0.26 - $1.35
    $0.26 - $1.35
    $0.26
  • 5 x 20 mm FUSE CERAMIC BODY FAST-ACTING (EUR STD)
    5 x 20 mm FUSE CERAMIC BODY FAST-ACTING (EUR STD)
    $1.02 - $2.00
    $1.02 - $2.00
    $1.02 - $2.00
    $1.02

    Optifuse Ceramic Fuse Cartridges - 250mA to 16A - Fast Blow - 5 x 20mm - 250VAC - FCD / FCD-P Series

    Optifuse

    20mm long and 5mm in diameter, this fuse is fast acting with a ceramic body and is designed to meet European IEC standards (as well as being UL Re...

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    $1.02 - $2.00
    $1.02 - $2.00
    $1.02 - $2.00
    $1.02
  • 5 x 20 mm FUSE CERAMIC BODY FAST-ACTING w/AXIAL LEADS (N AMER STD)
    5 x 20 mm FUSE CERAMIC BODY FAST-ACTING (N. AMER. STD)
    $1.61 - $4.88
    $1.61 - $4.88
    $1.61 - $4.88
    $1.61

    Optifuse Ceramic Fuse Cartridges - 100mA to 20A - Fast Blow - 5 x 20mm - 250VAC

    Optifuse

    20mm long and 5mm in diameter, this fuse is fast acting with a ceramic body and is UL listed. Available with or without axial leads. Commonly used...

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    $1.61 - $4.88
    $1.61 - $4.88
    $1.61 - $4.88
    $1.61
  • UL 5X20MM GLASS - FAST, 250V 2A
    $1.15 - $1.15
    $1.15
    $1.15 - $1.15
    $1.15

    FSC-2A 5 x 20 mm FUSE GLASS BODY FAST-ACTING (N. AMER. STD)

    Optifuse
    20 in stock

    5 x 20 mm FUSE GLASS BODY FAST-ACTING (N. AMER. STD)

    $1.15 - $1.15
    $1.15
    $1.15 - $1.15
    $1.15
  • APR58-7.5A
    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90

    APR58-7.5A REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    Optifuse

    REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90
  • APR58-5A
    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90

    APR58-5A REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    Optifuse

    REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90
  • REGULAR (ATO/ATC�), 58V 500MA - UL
    $3.24 - $3.24
    $3.24
    $3.24 - $3.24
    $3.24

    Regular Automotive Blade Fuse 58 VDC - 500mA (APR58-500mA) - APR58-UL-500MA

    Optifuse

    Regular Automotive Blade Fuse 58 VDC - 500mA (APR58-500mA) Specifications: · Voltage: 58V DC Amperage: 500mA Material: Body – Fiber Glass Reinfo...

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    $3.24 - $3.24
    $3.24
    $3.24 - $3.24
    $3.24
  • APR58-40A
    $2.19 - $2.19
    $2.19
    $2.19 - $2.19
    $2.19

    APR58-40A REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    Optifuse

    REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    $2.19 - $2.19
    $2.19
    $2.19 - $2.19
    $2.19
  • APR58-25A
    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90

    APR58-25A REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    Optifuse

    REGULAR AUTOMOTIVE BLADE FUSES 58 VDC

    $1.90 - $1.90
    $1.90
    $1.90 - $1.90
    $1.90

Fuses sold by Circuit Specialists are manufactured by Optifuse.  Fuse products include fuses, fuseclips, fuseholders, fuse blocks, circuit breakers, resettable fuses, and accessories.  When you combine low-cost fuses and fuse accessories sold here with our low-cost shipping options you'll see that we offer the lowest cost fuses in the industry.  Most of our products display cross-reference information from other major fuse manufacturers like Littelfuse and Bussman so you'll be sure to find the right fuse for the job.

If you're having trouble finding the fuse you need take a look at our handy Fuse Finder tool where you can input your specs and find the right fuse for the job.

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