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

50102 Products showing for Fuses & Circuit Breakers

1 of 999+
In Stock
Littelfuse 160 A Grey, White Car Fuse, 48 V dc
  • RS stock no. 226-0917
  • Mfr. Part No. 157.5701.6161
Subtotal (1 unit)
R 169,69(exc. VAT)
Being discontinued
RS PRO 1 A F Glass Cartridge Fuse, 5.2 x 20 mm
  • RS stock no. 563-380
Subtotal (1 pack of 10 units)
R 41,05(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 2-Pole, 25 A, Type C, 100 V, 12 V, 130 V, 220 V, 240 V, 380 V,
  • RS stock no. 734-9144
  • Mfr. Part No. A9F77225
Subtotal (1 unit)
R 1 037,28(exc. VAT)
In Stock
RS PRO Non-Resettable Fuse, Radial 2 A, 250 V ac
  • RS stock no. 767-5055
Subtotal (1 pack of 10 units)
R 56,13(exc. VAT)
In Stock
RS PRO 10 mA to 60 A Yellow Car Fuse, 32 V dc
  • RS stock no. 563-762
Subtotal (1 pack of 10 units)
R 18,72(exc. VAT)
In Stock
RS PRO DHMZ Miniature Circuit Breaker, 1-Pole, 20 A, Type C, 240 V ac AC, 240 V dc DC, 10 kA Breaking Capacity
  • RS stock no. 265-0199
Subtotal (1 unit)
R 227,30(exc. VAT)
In Stock
Schurter 1 A F Glass Cartridge Fuse, 5 x 20 mm
  • RS stock no. 167-7702
  • Mfr. Part No. 0034.1516
Subtotal (1 pack of 10 units)
R 78,31(exc. VAT)
In Stock
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 1-Pole, 10 A, Type C, 240 V ac AC, 72 V dc DC, 10 kA Breaking
  • RS stock no. 776-3446
  • Mfr. Part No. A9F77110
Subtotal (1 unit)
R 272,22(exc. VAT)
In Stock
Selco Thermal Fuse 240 °C, 10 A, 250 V ac
  • RS stock no. 111-7813
  • Mfr. Part No. SWTC-464-3535
Subtotal (1 pack of 10 units)
R 370,00(exc. VAT)
In Stock
ABB, Protecta, XT1N Molded Case Circuit Breaker 3-Pole 160 A, Breaking Capacity 36 kA, DIN Rail
  • RS stock no. 831-9175
  • Mfr. Part No. 1SDA067418R1 XT1N 160 TMD 160-1600 3p F F
Subtotal (1 unit)
R 8 319,46(exc. VAT)
In Stock
Littelfuse 12 A F Ceramic Cartridge Fuse, 6.3 x 32 mm
  • RS stock no. 787-4303
  • Mfr. Part No. 0314012.HXP
Subtotal (1 pack of 5 units)
R 61,19(exc. VAT)
In Stock
RS PRO 10A Inline Fuse Holder for 5x20mm Fuse, 250V
  • RS stock no. 237-5259
Subtotal (1 unit)
R 50,76(exc. VAT)
In Stock
RS PRO 60 A Green Car Fuse, 32 V dc
  • RS stock no. 563-766
Subtotal (1 pack of 10 units)
R 85,93(exc. VAT)
In Stock
RS PRO Fuse Kit
  • RS stock no. 611-9138
Subtotal (1 unit)
R 3 251,19(exc. VAT)
In Stock
Schurter Non-Resettable Fuse 2 A, 63 V ac/dc
  • RS stock no. 100-2798
  • Mfr. Part No. 3402.0012.11
Subtotal (1 pack of 10 units)
R 166,41(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 A9F Miniature Circuit Breaker, 1-Pole, 50 A, Type C, 240 V ac AC, 72 V dc DC, 15 kA Breaking
  • RS stock no. 288-7097
  • Mfr. Part No. A9F94150
Subtotal (1 unit)
R 2 426,84(exc. VAT)
Being discontinued
RS PRO 10 A T Glass Cartridge Fuse, 5 x 20 mm
  • RS stock no. 563-334
Subtotal (1 pack of 10 units)
R 17,46(exc. VAT)
In Stock
RS PRO DHMZ Miniature Circuit Breaker, 2-Pole, 6 A, Type C, 240 V ac AC, 240 V dc DC, 6 kA Breaking Capacity
  • RS stock no. 265-0177
Subtotal (1 unit)
R 412,42(exc. VAT)
In Stock
TE Connectivity Thermal Circuit Breaker - W58 Single Pole 250V ac Voltage Rating, 30A Current Rating
  • RS stock no. 782-8016
  • Mfr. Part No. W54-XB1A4A10-30
Subtotal (1 unit)
R 115,59(exc. VAT)
In Stock
RS PRO 15A Inline Fuse Holder for ATO/ATC 19x18.6mm Fuse, 32V
  • RS stock no. 237-5266
Subtotal (1 unit)
R 79,76(exc. VAT)
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