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

35151 Products showing for Fuses & Circuit Breakers

1730 of 999+
Schurter 8A F Ceramic Cartridge Fuse, 6.3 x 32mm
  • RS Stock No. 830-4287P
  • Mfr. Part No. 8020.5077.G
Each (Supplied in a Box)
$1.121(exc. GST)
Wickmann 2.6A Resettable Fuse, 16V dc
  • RS Stock No. 174-0392
  • Mfr. Part No. RF1184-000
1 Reel of 7500
$9,796.88(exc. GST)
Siemens, SENTRON MCCB 3P 600A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 249-760
  • Mfr. Part No. 3VA6560-5HN36-0AA0
Each
$8,498.89(exc. GST)
Schneider Electric EasyPact Electronic Circuit Breaker 32A, Fixed
  • RS Stock No. 122-362
  • Mfr. Part No. LV510502
Each
$288.94(exc. GST)
Schneider Electric, PowerPact MCCB 3P 150A, Breaking Capacity 18 kA, DIN Rail Mount
  • RS Stock No. 432-914
  • Mfr. Part No. NJGL36150
Each
$6,942.72(exc. GST)
Better World
Siemens, Sentron MCCB Molded Case Circuit Breaker 4P 250A, Breaking Capacity 3 kA
  • RS Stock No. 245-377
  • Mfr. Part No. 3VA6225-0KT41-0AA0
Each
$11,077.69(exc. GST)
Siemens ALPHA Distribution Board
  • RS Stock No. 272-0285
  • Mfr. Part No. 8GK1061-3KK40
Each
$3,778.47(exc. GST)
Siemens, SENTRON MCCB 4P 1.25kA, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 270-4884
  • Mfr. Part No. 3VA2612-6HK42-0AA0
Each
$21,921.21(exc. GST)
Better World
Siemens, SENTRON MCCB 4P 100A, Breaking Capacity 150 kA, Fixed Mount
  • RS Stock No. 270-3606
  • Mfr. Part No. 3VA2010-8HM46-0AA0
Each
$3,681.08(exc. GST)
ABB SMISSLINE Busbar for Smissline TP
  • RS Stock No. 246-2322
  • Mfr. Part No. 2CCF800234R0001
Each
$22.99(exc. GST)
Schneider Electric EasyPact Electronic Circuit Breaker 100A, Plug In
  • RS Stock No. 122-433
  • Mfr. Part No. LV516450P
Each
$515.92(exc. GST)
RS PRO Non-Resettable Surface Mount Fuse 6A, 63V ac/dc
  • RS Stock No. 764-9393P
Each (Supplied on a Reel)
$0.18(exc. GST)
Schurter 8A F Melamine Cartridge Fuse, 10 x 38mm
  • RS Stock No. 712-4762P
  • Mfr. Part No. 0090.0008
Each (Supplied in a Bag)
$33.04(exc. GST)
Schneider Electric ComPacT New Generation Electronic Circuit Breaker 16A 500V ComPacT NSX, Fixed
  • RS Stock No. 130-548
  • Mfr. Part No. C10M2TM016
Each
$1,252.25(exc. GST)
RS PRO 6A aR Ceramic Cartridge Fuse, 10 x 38mm
  • RS Stock No. 199-246
1 Pack of 10
$421.73(exc. GST)
Circuit-breaker/thermal 10 A
  • RS Stock No. 577-466
  • Mfr. Part No. 2-5700-IG2-P10-DD-10A
Each
$36.65(exc. GST)
Circuit-breaker/thermal 10 A
  • RS Stock No. 577-274
  • Mfr. Part No. 4410.0015
Each
$27.23(exc. GST)
Schneider Electric Flexible Elbow Busbar Trunking, 1.2m, 400A, Canalis Series
  • RS Stock No. 340-959
  • Mfr. Part No. KSA400DLR43F
Each
$4,148.38(exc. GST)
Omron Busbar
  • RS Stock No. 111-3539
  • Mfr. Part No. PYDN-7.75-040Y
Each
$9.10(exc. GST)
Fuse - Strip 60 w/ Housing 48VDC, 40A
  • RS Stock No. 522-964
  • Mfr. Part No. 157.5701.5401
1 Pack of 50
$1,740.04(exc. GST)
1
1730
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