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

14 of 999+
  • RS Stock No. 541-3287
  • Mfr. Part No. 251002.NRT1L
Each (In a Pack of 10)
SGD2.278(exc. GST)
  • RS Stock No. 182-1434
  • Mfr. Part No. 170M1564D
Each (In a Box of 10)
SGD102.941(exc. GST)
Better World
  • RS Stock No. 212-0122
  • Mfr. Part No. A9F92225
Each
SGD208.59(exc. GST)
  • RS Stock No. 893-8562
  • Mfr. Part No. 20-209-08/160A
Each (In a Pack of 3)
SGD35.74(exc. GST)
Better World
  • RS Stock No. 482-875
  • Mfr. Part No. DF143NC
Each
SGD172.70(exc. GST)
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  • Mfr. Part No. 0216002.TXP
Each (In a Pack of 10)
SGD1.604(exc. GST)
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  • Mfr. Part No. K090537Q
1 Box of 10
SGD10.29(exc. GST)
  • RS Stock No. 188-7460
  • Mfr. Part No. Q217180
Each (In a Pack of 10)
SGD11.002(exc. GST)
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Each
SGD176.82(exc. GST)
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Each (In a Pack of 10)
SGD4.584(exc. GST)
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Each (In a Pack of 10)
SGD1.188(exc. GST)
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Each
SGD37.36(exc. GST)
  • RS Stock No. 769-0010
  • Mfr. Part No. 021501.6MXP
Each (In a Pack of 25)
SGD1.529(exc. GST)
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  • Mfr. Part No. 5ST3801
Each
SGD21.39(exc. GST)
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  • Mfr. Part No. 50-140-06/50A
Each
SGD36.27(exc. GST)
  • RS Stock No. 101-736
Each
SGD171.78(exc. GST)
  • RS Stock No. 769-0118
  • Mfr. Part No. 0215.250TXP
Each (In a Pack of 10)
SGD1.915(exc. GST)
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  • Mfr. Part No. 0 124 08
1 Box of 10
SGD43.92(exc. GST)
  • RS Stock No. 733-4864
  • Mfr. Part No. 3404.0112.22
Each (In a Bag of 5)
SGD0.798(exc. GST)
  • RS Stock No. 270-3069
  • Mfr. Part No. K227962
Each
SGD58.07(exc. GST)
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