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.

34912 Products showing for Fuses & Circuit Breakers

56 of 999+
  • RS Stock No. 233-0609
  • Mfr. Part No. BK4-HTC-528M
Each (In a Pack of 10)
$2.164(exc. VAT)
  • RS Stock No. 153-2961
  • Mfr. Part No. 7TCA083210R0004 CR105
Each (In a Pack of 10)
$22.552(exc. VAT)
  • RS Stock No. 537-5719
  • Mfr. Part No. 260174 NZM2-XTVDV
Each
$348.98(exc. VAT)
  • RS Stock No. 272-7580
  • Mfr. Part No. TA10D3L0634TPE
Each
$6,404.94(exc. VAT)
  • RS Stock No. 284-5906
  • Mfr. Part No. 4400.0017
Each
$29.17(exc. VAT)
  • RS Stock No. 230-6643
  • Mfr. Part No. A9D32620
Each
$85.69(exc. VAT)
  • RS Stock No. 541-3120
  • Mfr. Part No. 0217010.MXP
Each (In a Pack of 10)
$0.649(exc. VAT)
  • RS Stock No. 850-8678
  • Mfr. Part No. EZ916BKIT
Each
$10.80(exc. VAT)
  • RS Stock No. 247-3999
Each (In a Pack of 10)
$2.891(exc. VAT)
Better World
  • RS Stock No. 514-0096
  • Mfr. Part No. 2CDS251001R0277 S201-K2
Each
$73.15(exc. VAT)
  • RS Stock No. 668-6051
Each (In a Pack of 10)
$0.958(exc. VAT)
  • RS Stock No. 169-9498
  • Mfr. Part No. SR-5-2A-BK
Each (In a Bag of 200)
$1.745(exc. VAT)
  • RS Stock No. 736-1431
  • Mfr. Part No. 50-199-06/11A
Each
$31.34(exc. VAT)
  • RS Stock No. 630-860
  • Mfr. Part No. D085379Q
1 Box of 10
$32.98(exc. VAT)
  • RS Stock No. 630-844
  • Mfr. Part No. Z090550Q
1 Box of 10
$15.04(exc. VAT)
  • RS Stock No. 413-490
  • Mfr. Part No. NSD10
Each (In a Pack of 5)
$40.142(exc. VAT)
  • RS Stock No. 261-972
  • Mfr. Part No. SMD20
1 Pack of 20
$555.56(exc. VAT)
  • RS Stock No. 180-084
1 Pack of 10
$71.45(exc. VAT)
  • RS Stock No. 328-459
  • Mfr. Part No. 5SV3314-6KK13
Each
$234.33(exc. VAT)
  • RS Stock No. 182-1683
  • Mfr. Part No. CHM3DIU
Each
$395.27(exc. VAT)
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