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.

50915 Products showing for Fuses & Circuit Breakers

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  • RS Stock No. 237-6102
  • Mfr. Part No. 1SDA066596R1 KLC XT1 RONIS TYPE C
Each
£84.08(exc. VAT)
  • RS Stock No. 738-2841
  • Mfr. Part No. 0451.062MRL
Each (In a Pack of 10)
£3.754(exc. VAT)
Better World
  • RS Stock No. 187-3281
  • Mfr. Part No. 5SV1316-6KK10
Each
£101.90(exc. VAT)
  • RS Stock No. 124-2504
  • Mfr. Part No. 7TCA083670R0632 LK207-6
Each
£218.73(exc. VAT)
  • RS Stock No. 337-7993
  • Mfr. Part No. 155.0892.6301
Each
£9.85(exc. VAT)
Better World
  • RS Stock No. 746-7835
  • Mfr. Part No. 2CDS251001R0131 S201-D13
Each
£17.22(exc. VAT)
  • RS Stock No. 611-0614
Each (In a Pack of 10)
£1.101(exc. VAT)
  • RS Stock No. 847-3563
  • Mfr. Part No. 278898 FAZ-D25/3
Each
£99.98(exc. VAT)
  • RS Stock No. 703-8664
  • Mfr. Part No. 160NHG00B
Each
£6.35(exc. VAT)
  • RS Stock No. 203-2041
  • Mfr. Part No. 3NW6004-1
Each (In a Pack of 10)
£3.575(exc. VAT)
Better World
  • RS Stock No. 790-8737
  • Mfr. Part No. A9F55432
Each
£192.46(exc. VAT)
  • RS Stock No. 304-2439
  • Mfr. Part No. J300020
Each
£121.54(exc. VAT)
  • RS Stock No. 769-3750
  • Mfr. Part No. 05710007L
Each
£17.45(exc. VAT)
  • RS Stock No. 893-8530
Each
£62.71(exc. VAT)
  • RS Stock No. 418-726
  • Mfr. Part No. SSD10
Each (In a Pack of 5)
£2.486(exc. VAT)
  • RS Stock No. 276-8717
  • Mfr. Part No. A9C15907
Each
£177.67(exc. VAT)
  • RS Stock No. 248-5516
  • Mfr. Part No. FB03A1PL
Each
£36.81(exc. VAT)
  • RS Stock No. 221-5599
  • Mfr. Part No. 3-128-212
Each
£8.95(exc. VAT)
  • RS Stock No. 247-2874
  • Mfr. Part No. R212075
1 Box of 10
£104.48(exc. VAT)
  • RS Stock No. 260-745
  • Mfr. Part No. FNQ-R-2
1 Pack of 10
£414.00(exc. VAT)
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