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

Fuses - PCB
Fuses - PCB

46283 Products showing for Fuses & Circuit Breakers

1 / 999+
In Stock
ABB Earth & Neutral Terminal Bar for use with Miniature Circuit Breaker
  • RS Stock No. 232-0026
  • Mfr. Part No. GJI2320131R0001 SZ-KLB 8
Subtotal (1 box of 1 unit)
MYR45.35
MYR45.35/box
In Stock
Schurter 12A T Ceramic Cartridge Fuse, 6.3 x 32 mm
  • RS Stock No. 703-2666
  • Mfr. Part No. 8020.0603.G
Subtotal (1 pack of 10 units)
MYR53.50
MYR5.35/unit
Stock information currently inaccessible
Panasonic Non-Resettable Fuse 750mA, 32V dc
  • RS Stock No. 759-4776
  • Mfr. Part No. ERBRE0R75V
Subtotal (1 pack of 10 units)
MYR9.23
MYR0.923/unit
In Stock
SIBA 8A F Glass Cartridge Fuse, 6.3 x 32 mm
  • RS Stock No. 783-3380
  • Mfr. Part No. 70-059-60/8A
Subtotal (1 pack of 10 units)
MYR17.03
MYR1.703/unit
In Stock
Eaton 2A British Standard Fuse A1 550V ac, 44.5 mm
  • RS Stock No. 415-109
  • Mfr. Part No. NIT2
Subtotal (1 pack of 5 units)
MYR220.91
MYR44.182/unit
In Stock
Eaton 4A Ceramic Cartridge Fuse, 14 x 51 mm
  • RS Stock No. 703-8412
  • Mfr. Part No. C14G4
Subtotal (1 pack of 10 units)
MYR123.42
MYR12.342/unit
In Stock
Littelfuse 250A 68.58 x 19.05 x 10.67 mm, Panel Single Terminal Fuse Fuse Block, 32V
  • RS Stock No. 878-3946
  • Mfr. Part No. 02980900Z
Subtotal (1 unit)
MYR99.26
MYR99.26/unit
In Stock
Siemens 16A D2 Diazed Fuse, gG, 500V ac/dc
  • RS Stock No. 167-680
  • Mfr. Part No. 5SB2611
Subtotal (1 pack of 25 units)
MYR111.62
MYR111.62/pack
In Stock
ABB Tmax XT Partition for use with XT1-XT3
  • RS Stock No. 236-6871
  • Mfr. Part No. 1SDA075922R1
Subtotal (1 unit)
MYR88.88
MYR88.88/unit
In Stock
Schneider Electric TransferPacT TransferPacT Electronic Circuit Breaker 63A 230V, DIN Rail Type AC
  • RS Stock No. 272-7578
  • Mfr. Part No. TA10D2L0633TPE
Subtotal (1 unit)
MYR10,847.88
MYR10,847.88/unit
In Stock
Schneider Electric, ComPact NSX, I-Line MCCB 3-Pole 250A, Breaking Capacity 36 kA, Panel
  • RS Stock No. 654-704
  • Mfr. Part No. IL2503P36
Subtotal (1 unit)
MYR6,070.71
MYR6,070.71/unit
In Stock
RS PRO Earthing Kit
  • RS Stock No. 528-983
Subtotal (1 unit)
MYR102.98
MYR102.98/unit
In Stock
Hinode Electric Co Ltd 125A Bolted Tag Fuse 660V, 77 mm
  • RS Stock No. 103-4251
  • Mfr. Part No. 660GH-125
Subtotal (1 unit)
MYR188.33
MYR188.33/unit
Last RS stock
Mersen 10A FF Ceramic Cartridge Fuse, 10 x 38 mm
  • RS Stock No. 136-0600
  • Mfr. Part No. A1014576 / FR10GR69V10
Subtotal (1 unit)
MYR59.88
MYR59.88/unit
In Stock
Eaton 16A Bottle Fuse, 400V
  • RS Stock No. 228-717
  • Mfr. Part No. 16NZ01 FUSE D01 16A 400 VAC T GL/GG E14
Subtotal (1 pack of 10 units)
MYR65.92
MYR65.92/pack
In Stock
Littelfuse Automotive Fuse Kit
  • RS Stock No. 219-9562
  • Mfr. Part No. 00950011XXN
Subtotal (1 unit)
MYR353.55
MYR353.55/unit
In Stock
Eaton 5A Tan Car Fuse, 32V dc
  • RS Stock No. 848-2554
  • Mfr. Part No. ATC-5
Subtotal (1 unit)
MYR5.24
MYR5.24/unit
Temporarily out of stock
Eaton xEffect xEffect Miniature Circuit Breaker, 2-Pole, 10A, Type C, 415V ac AC, 60 V dc DC, 10 kA Breaking Capacity
  • RS Stock No. 847-3245
  • Mfr. Part No. 102167 FAZ-C10/2-NA
Subtotal (1 unit)
MYR673.75
MYR673.75/unit
In Stock
ABB DDA202 Series Residual Current Device, 40A, 2-Pole, 30 mA, Type AC 400V ac
  • RS Stock No. 231-9887
  • Mfr. Part No. 2CSB202001R1400 DDA202 AC-40/0.03
Subtotal (1 unit)
MYR735.05
MYR735.05/unit
In Stock
Better World
ABB ComPact Home SH200 Miniature Circuit Breaker, 2-Pole, 6A, Type C, 440V ac AC, 6 kA Breaking Capacity
  • RS Stock No. 231-9655
  • Mfr. Part No. 2CDS212001R0064 SH202-C 6
Subtotal (1 box of 1 unit)
MYR271.85
MYR271.85/box
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