Littelfuse Fuses

Littelfuse fuses are engineered to deliver dependable overcurrent protection for electrical and electronic systems across industrial, automotive, and commercial applications. Designed to interrupt excessive current flow quickly and accurately, these fuses help prevent damage to sensitive components, wiring, and equipment. RSP Supply carries a full line of Littelfuse fuses to support safe and reliable circuit protection in a wide range of operating environments.

Manufactured to meet strict global safety and performance standards, Littelfuse fuses are available in numerous voltage (24V - 1500V)and current ratings to match specific system requirements. Their precision design ensures a predictable response to overcurrent and short-circuit conditions, making them well-suited for protecting control panels, machinery, power distribution equipment, and electronic devices. By isolating faults before they escalate, Littelfuse fuses help maintain system uptime and reduce the risk of costly damage.

In automotive and transportation applications, Littelfuse fuses are widely used to protect vehicle wiring, electronic control units, and onboard electrical systems. These fuses are designed to perform reliably under harsh conditions such as vibration, temperature extremes, and continuous operation. Littelfuse also offers specialized fuse solutions for electric and hybrid vehicles, supporting accurate current protection and efficient power distribution in modern vehicle designs.

Found 7344 items
Normally In Stock
Littelfuse BLN030 Fuse Class Midget 30 Amps
Free U.S Ground shipping
$11.09
$9.24
Normally In Stock
Littelfuse JTD080ID Fuse Class J 80 Amps
Free U.S Ground shipping
$140.58
$117.15
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Littelfuse LMF02.8 Fuse Inline Fuses 2.8 Amps
Free U.S Ground shipping
$28.46
$23.72
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Littelfuse LMF01.6 Fuse Inline Fuses 1.6 Amps
Free U.S Ground shipping
$28.46
$23.72
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Littelfuse JLLS250 Fuse Class RK5 250 Amps
Free U.S Ground shipping
$300.97
$250.81
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Littelfuse JTD040ID Fuse Class J 40 Amps
Free U.S Ground shipping
$65.53
$54.61
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Littelfuse JTD01.5ID Fuse Class J 1.5 Amps
Free U.S Ground shipping
$45.77
$38.14
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Littelfuse SLC060 Fuse Class G 60 Amps
Free U.S Ground shipping
$41.86
$34.88
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Littelfuse 225003P Glass Fuse - 3 Amp, 250 VAC
Free U.S Ground shipping
$5.03
$4.19
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Littelfuse 235001P Glass Fuse - 1 Amp, 250 VAC
Free U.S Ground shipping
$4.45
$3.71
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Littelfuse 0362010.H Glass Fuse - 10 Amp, 32 VAC
Free U.S Ground shipping
$0.92
$0.77
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Littelfuse 0477012.MXP 5x20mm Fuse - 12 Amp, 500 VAC/400 VDC
Free U.S Ground shipping
$6.67
$5.56
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Littelfuse SPF001 Fuse Solar 1 Amps
Free U.S Ground shipping
$17.36
$14.47
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Littelfuse LKEY001 Storage Case
Free U.S Ground shipping
$110.27
$91.89
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Littelfuse 22903.5P Glass Fuse - 3.5 Amp, 250 VAC
Free U.S Ground shipping
$7.75
$6.46
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Littelfuse JTD010ID Fuse Class J 10 Amps
Free U.S Ground shipping
$39.53
$32.94
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Littelfuse JTD175ID Fuse Class J 175 Amps
Free U.S Ground shipping
$278.54
$232.12
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Littelfuse JTD350ID Fuse Class J 350 Amps
Free U.S Ground shipping
$638.84
$532.37
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Littelfuse JTD003ID Fuse Class J 3 Amps
Free U.S Ground shipping
$39.53
$32.94
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Littelfuse JTD012ID Fuse Class J 12 Amps
Free U.S Ground shipping
$41.33
$34.44
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Littelfuse FLSR100ID Fuse Class RK5 100 Amps
Free U.S Ground shipping
$130.42
$108.68
Normally In Stock
Littelfuse FLU.44 Fuse Multimeter Fuses Amps
Free U.S Ground shipping
$25.03
$20.86
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Littelfuse JTD030ID Fuse Class J 30 Amps
Free U.S Ground shipping
$39.53
$32.94
Normally In Stock
Littelfuse JTD060ID Fuse Class J 60 Amps
Free U.S Ground shipping
$71.10
$59.25
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Littelfuse JTD070ID Fuse Class J 70 Amps
Free U.S Ground shipping
$140.58
$117.15
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Littelfuse FLNR.100 Fuse Class RK5 0.1 Amps
Free U.S Ground shipping
$25.81
$21.51
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Littelfuse FLNR010 Fuse Class RK5 10 Amps
Free U.S Ground shipping
$14.69
$12.24
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Littelfuse SPF025 Fuse Solar 25 Amps
Free U.S Ground shipping
$18.82
$15.68
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Littelfuse JTD090ID Fuse Class J 90 Amps
Free U.S Ground shipping
$140.58
$117.15
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Littelfuse KLNR010 Fuse Class RK1 10 Amps
Free U.S Ground shipping
$48.28
$40.23
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Littelfuse 031303.2MXP 3AB/3AG (6.3x32mm) Fuse - 3.2 Amp, 250 VAC
Free U.S Ground shipping
$4.54
$3.78
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Littelfuse MIN003 Automotive Fuse - 3 Amp, 32 VAC
Free U.S Ground shipping
$2.32
$1.93
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Littelfuse H217001P Fuse - 1 Amp, 250 VAC
Free U.S Ground shipping
$2.81
$2.34
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Littelfuse KLKD.100 Fuse Class Midget 0.1 Amps
Free U.S Ground shipping
$36.50
$30.42
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Littelfuse KLSR030 Fuse Class RK1 30 Amps
Free U.S Ground shipping
$63.91
$53.26
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Littelfuse JTD600ID Fuse Class J 600 Amps
Free U.S Ground shipping
$1005.22
$837.68
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Littelfuse KLNR003 Fuse Class RK1 3 Amps
Free U.S Ground shipping
$44.33
$36.94
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Littelfuse KLSR110 Fuse Class RK1 110 Amps
Free U.S Ground shipping
$528.74
$440.62
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Littelfuse KLSR350 Fuse Class RK1 350 Amps
Free U.S Ground shipping
$1045.14
$870.95
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Littelfuse LLNRK.100 Fuse Class RK1 0.1 Amps
Free U.S Ground shipping
$37.78
$31.48
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Littelfuse LLNRK030 Fuse Class RK1 30 Amps
Free U.S Ground shipping
$25.42
$21.18
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Littelfuse LLNRK080 Fuse Class RK1 80 Amps
Free U.S Ground shipping
$100.56
$83.80
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Littelfuse LLSRK050ID Fuse Class RK1 50 Amps
Free U.S Ground shipping
$99.58
$82.98
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Littelfuse LLSRK350ID Fuse Class RK1 350 Amps
Free U.S Ground shipping
$822.53
$685.44
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Littelfuse LLSRK1.12 Fuse Class RK1 1.125 Amps
Free U.S Ground shipping
$85.22
$71.02
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Littelfuse LMF.600 Fuse Inline Fuses 0.6 Amps
Free U.S Ground shipping
$28.46
$23.72
Normally In Stock
Littelfuse LMF.800 Fuse Inline Fuses 0.8 Amps
Free U.S Ground shipping
$28.46
$23.72
Normally In Stock
Littelfuse LMF003 Fuse Inline Fuses 3 Amps
Free U.S Ground shipping
$28.46
$23.72

FAQs

Q: What are Littelfuse fuses used for?
Littelfuse fuses are used to protect electrical circuits from overcurrent and short-circuit conditions by safely interrupting excessive current flow before damage occurs.

Q: Are Littelfuse fuses available in different ratings?
Yes, Littelfuse fuses are available in a wide range of voltage and current ratings to accommodate various electrical systems and application requirements.

Q: What industries commonly use Littelfuse fuses?
Littelfuse fuses are commonly used in industrial automation, manufacturing, automotive systems, power distribution, and electronic equipment applications.

Q: How do fuses differ from circuit breakers?
Fuses are single-use protective devices that must be replaced after an overcurrent event, while circuit breakers can be reset after tripping. Fuses are often simpler and highly reliable, making them well suited for individual circuit protection.

Q: Does Littelfuse manufacture products beyond fuses?
Yes, Littelfuse also manufactures products such as solid state relays, circuit protection devices, and power control components for industrial and automation applications.

Why Buy Littelfuse Fuses from RSP Supply

RSP Supply offers a comprehensive selection of Littelfuse fuses designed to meet the demands of industrial, automotive, and electrical systems. Our product offerings support precise circuit protection, broad compatibility, and long-term reliability. Customers rely on RSP Supply for trusted brands, technical expertise, and dependable solutions for overcurrent protection and electrical safety.