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

34963 Products showing for Fuses & Circuit Breakers

108 of 999+
Being discontinued
  • RS Stock No. 563-637
Each (In a Pack of 10)
$1.115(exc. GST)
Temporarily out of stock
  • RS Stock No. 890-3718
  • Mfr. Part No. 2905988
Each
$2,706.78(exc. GST)
In Stock
  • RS Stock No. 537-1521
Each (In a Pack of 10)
$0.501(exc. GST)
In Stock
  • RS Stock No. 746-8179
  • Mfr. Part No. 2CDS273001R0101 S203M-D10
Each
$191.33(exc. GST)
Temporarily out of stock
  • RS Stock No. 202-7115
  • Mfr. Part No. 5SD480
Each (In a Pack of 5)
$21.738(exc. GST)
Temporarily out of stock
Better World
  • RS Stock No. 159-652
  • Mfr. Part No. 3RV2411-1FA20-0DA0
Each
$318.29(exc. GST)
In Stock
Better World
  • RS Stock No. 746-7851
  • Mfr. Part No. 2CDS252001R0101 S202-D10
Each
$119.90(exc. GST)
In Stock
  • RS Stock No. 729-2751
  • Mfr. Part No. 2-5700-IG2-P10-DD-000040-4A
Each
$71.67(exc. GST)
In Stock
  • RS Stock No. 712-7486
  • Mfr. Part No. RKEF050
Each (In a Pack of 10)
$0.789(exc. GST)
Temporarily out of stock
  • RS Stock No. 117-005
  • Mfr. Part No. FP FC 054
Each
$71.65(exc. GST)
In Stock
  • RS Stock No. 181-8761
  • Mfr. Part No. 63NHG00B-690
Each
$17.81(exc. GST)
In Stock
  • RS Stock No. 413-349
  • Mfr. Part No. AAO16
Each (In a Pack of 5)
$14.03(exc. GST)
Temporarily out of stock
  • RS Stock No. 265-633
  • Mfr. Part No. 8US1251-5CM47
Each
$80.65(exc. GST)
In Stock
  • RS Stock No. 217-6361
  • Mfr. Part No. 2800858
Each
$88.23(exc. GST)
Temporarily out of stock
  • RS Stock No. 272-2296
  • Mfr. Part No. 220224 B3.1/3-PKZ4
Each
$92.60(exc. GST)
Currently unavailable
  • RS Stock No. 776-2544
  • Mfr. Part No. A9F08216
Each
$124.03(exc. GST)
In Stock
  • RS Stock No. 769-0168
  • Mfr. Part No. 52000001009
Each (In a Pack of 50)
$0.277(exc. GST)
Temporarily out of stock
  • RS Stock No. 161-935
  • Mfr. Part No. 3VA9054-0SB10
Each
$141.71(exc. GST)
In Stock
  • RS Stock No. 738-3194P
  • Mfr. Part No. 0FLU.440T
Each (Supplied in a Box)
$53.80(exc. GST)
Temporarily out of stock
  • RS Stock No. 256-855
  • Mfr. Part No. 280353 BC-U-1/8-ECO
Each
$88.52(exc. GST)
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