Fuses & Circuit Breakers

Although they work in different ways, fuses and circuit breakers broadly have the same purpose; to protect electrical appliances and electrical circuits from short circuits, and excessive current (called overcurrent or overload).

Fuses

Fuses are relatively low cost electrical safety devices. If too much current enters the circuit, the fuse will burn out (sometimes called blowing out). When the fuse blows out it breaks the circuit. This protects the attached devices and allows you to touch devices without being electrocuted. When the fuse blows, it must be replaced before using the device or appliance again.

Circuit breakers

Circuit breakers work in a similar way to fuses, but they are resettable. Once a fault is detected (this is typically a short circuit or an excessive amount of current flowing through the circuit) the circuit breaker will interrupt the flow of current. When the circuit breaker trips, it's simply a case of flicking a switch to reset the circuit breaker. As soon as you've reset the circuit breaker, it is ready to use again.

Circuit Breakers
Circuit Breakers
Earth & Lightning Protection
Earth & Lightning Protection
Fuse Holders & Accessories
Fuse Holders & Accessories
Fuses
Fuses

49110 Products showing for Fuses & Circuit Breakers

25 of 999+
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  • Mfr. Part No. 0287020.PXCN
Each (In a Pack of 10)
SGD0.455(exc. GST)
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  • Mfr. Part No. BAO63
Each
SGD19.70(exc. GST)
  • RS Stock No. 848-3030
  • Mfr. Part No. BK-GMA-4-R
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SGD0.69(exc. GST)
  • RS Stock No. 851-1485
  • Mfr. Part No. AGX-1-2
Each
SGD6.15(exc. GST)
  • RS Stock No. 668-5963
Each (In a Pack of 10)
SGD0.565(exc. GST)
  • RS Stock No. 630-846
  • Mfr. Part No. A085376Q
1 Box of 10
SGD22.56(exc. GST)
  • RS Stock No. 922-7248
  • Mfr. Part No. 274418 Z-IS/SPE-1TE
Each
SGD22.88(exc. GST)
Better World
  • RS Stock No. 850-8628
  • Mfr. Part No. EZ9F66110
Each
SGD15.71(exc. GST)
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  • Mfr. Part No. 1SDA100345R1 XT5N 400 TMA 400-4000 3pFF
Each
SGD1,463.28(exc. GST)
Better World
  • RS Stock No. 160-068
  • Mfr. Part No. 3RV2431-4PA10
Each
SGD396.74(exc. GST)
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  • Mfr. Part No. CDC140F
Each
SGD375.34(exc. GST)
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  • Mfr. Part No. 5SD420
Each (In a Pack of 5)
SGD14.54(exc. GST)
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  • Mfr. Part No. L200754
Each (In a Pack of 10)
SGD4.732(exc. GST)
  • RS Stock No. 922-6891
  • Mfr. Part No. 102081 FAZ-C3/1-NA
Each
SGD80.95(exc. GST)
  • RS Stock No. 250-4776
  • Mfr. Part No. 2CDL701302R1320
1 Box of 10
SGD83.15(exc. GST)
Better World
  • RS Stock No. 271-9589
  • Mfr. Part No. 3VA10402ED360AA0
Each
SGD517.29(exc. GST)
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  • Mfr. Part No. OSD100
Each
SGD35.84(exc. GST)
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  • Mfr. Part No. 0218004.MXP
Each (In a Pack of 10)
SGD1.08(exc. GST)
  • RS Stock No. 257-817
  • Mfr. Part No. 279140 FAZ-C16/2-DC
Each
SGD357.00(exc. GST)
  • RS Stock No. 746-8181
  • Mfr. Part No. 2CDS273001R0251 S203M-D25
Each
SGD133.14(exc. GST)
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