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.

34933 Products showing for Fuses & Circuit Breakers

10 of 999+
  • RS Stock No. 260-8090
  • Mfr. Part No. C40F32D400
Each
$7,402.97(exc. GST)
  • RS Stock No. 377-2146
  • Mfr. Part No. 3821160041
Each (In a Pack of 10)
$2.993(exc. GST)
  • RS Stock No. 228-675
  • Mfr. Part No. C14M2 CYLINDRICAL FUSE 14 x 51 2A AM 690V AC
1 Pack of 10
$51.94(exc. GST)
  • RS Stock No. 123-4791
  • Mfr. Part No. 4000-71001-0410004
Each
$49.62(exc. GST)
  • RS Stock No. 850-7133
  • Mfr. Part No. BK-HKP-E-R
Each
$34.33(exc. GST)
Better World
  • RS Stock No. 608-8242
  • Mfr. Part No. GV2G454
Each
$105.68(exc. GST)
  • RS Stock No. 249-5878
  • Mfr. Part No. 4 034 32
Each
$10.34(exc. GST)
  • RS Stock No. 189-5338
  • Mfr. Part No. G1062721 / CUS101
Each
$18.76(exc. GST)
  • RS Stock No. 541-3366P
  • Mfr. Part No. 0451.750HL
Each (Supplied on a Reel)
$1.896(exc. GST)
  • RS Stock No. 221-3660
Each (In a Pack of 5)
$30.648(exc. GST)
Better World
  • RS Stock No. 272-937
  • Mfr. Part No. GV3P65
Each
$1,251.49(exc. GST)
  • RS Stock No. 263-109
  • Mfr. Part No. SC32P
1 Pack of 10
$358.60(exc. GST)
  • RS Stock No. 176-9378
  • Mfr. Part No. SM 110 A0
Each (In a Pack of 5)
$2.952(exc. GST)
Better World
  • RS Stock No. 254-6357
  • Mfr. Part No. C25F3TM250
Each
$2,863.75(exc. GST)
  • RS Stock No. 203-2114
  • Mfr. Part No. 3NW7013-4
Each (In a Pack of 12)
$20.444(exc. GST)
  • RS Stock No. 377-0465
  • Mfr. Part No. K200707
Each (In a Pack of 5)
$2.882(exc. GST)
  • RS Stock No. 229-109
  • Mfr. Part No. C14G4
1 Pack of 10
$45.29(exc. GST)
  • RS Stock No. 738-2829
  • Mfr. Part No. 0326015.MXP
Each (In a Pack of 10)
$3.044(exc. GST)
  • RS Stock No. 435-916
  • Mfr. Part No. A9F44220
Each
$80.80(exc. GST)
  • RS Stock No. 787-4158P
  • Mfr. Part No. 0287004.PXCN
Each (Supplied in a Bag)
$0.534(exc. GST)
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