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

50639 Products showing for Fuses & Circuit Breakers

104 of 999+
Eaton 20A Ceramic Cartridge Fuse, 10 x 38mm
  • RS Stock No. 703-8392P
  • Mfr. Part No. C10G20
Per stuk (geleverd in een doos)
€ 1,277(exc. VAT)
Schneider Electric, ComPacT NSX MCCB 4P 100A, Breaking Capacity 36 kA, Fixed Mount
  • RS Stock No. 254-6287
  • Mfr. Part No. C10F4
Per stuk
€ 331,71(exc. VAT)
Eaton, Eaton Moeller series NZM MCCB Molded Case Circuit Breaker 3P 160A, Breaking Capacity 5 kA, Plug In
  • RS Stock No. 231-141
  • Mfr. Part No. 113346 NZMH2-S160-SVE
Per stuk
€ 1.307,95(exc. VAT)
Eaton 32A Rail Mount Fuse Holder for A2 Fuse, 1P, 690V ac
  • RS Stock No. 221-617
  • Mfr. Part No. RS32P
Per stuk
€ 31,41(exc. VAT)
Littelfuse Inline Fuse Holder for ATO Fuse, 32V dc
  • RS Stock No. 787-4372
  • Mfr. Part No. 277.6306.0001
Per stuk
€ 10,59(exc. VAT)
Phoenix Contact 1 Phase Surge Protector, 40kA, On Base Element Mount
  • RS Stock No. 201-6716
  • Mfr. Part No. 2905347
Per stuk
€ 80,14(exc. VAT)
Eaton NZM-RTR Cover for use with CI44, CI45, CI48, NZM2-XR, NZM2-XRD, NZM3-XR
  • RS Stock No. 251-486
  • Mfr. Part No. 194557 NZM-RTR
Per stuk
€ 60,70(exc. VAT)
ABB F200 RCCB, 25A, 4 Pole, 30mA, Type A
  • RS Stock No. 488-6426
  • Mfr. Part No. 2CSF204101R1250 - F204A-25/0.03
Per stuk
€ 202,61(exc. VAT)
Better World
Schneider Electric iID RCCB, 40A, 2 Pole, 30mA, Type B-EV, 230V ac
  • RS Stock No. 248-3714
  • Mfr. Part No. A9Z51240
Per stuk
€ 938,83(exc. VAT)
Better World
Schneider Electric Acti 9 A9N1 MCB, 3P, 125A Curve D
  • RS Stock No. 219-8302
  • Mfr. Part No. A9N18514
Per stuk
€ 478,51(exc. VAT)
Mersen 250A Rail Mount Fuse Holder for NH1 Fuse, 3P, 690V ac
  • RS Stock No. 768-3772
  • Mfr. Part No. S229878
Per stuk
€ 192,08(exc. VAT)
Better World
Schneider Electric Acti 9 3 Phase Busbar, 415V ac, 18mm Pitch
  • RS Stock No. 776-2742
  • Mfr. Part No. A9XPH412
Per stuk
€ 27,39(exc. VAT)
Siemens SENTRON Phase Barrier for use with 3VA4/5 125
  • RS Stock No. 269-7077
  • Mfr. Part No. 3VA9132-0WA00
Per stuk (in een verpakking 2)
€ 7,22(exc. VAT)
Schneider Electric RCBO, 40A Current Rating, 1P Poles, Type C, Acti9 Range
  • RS Stock No. 245-139
  • Mfr. Part No. A9D05840
Per stuk
€ 191,44(exc. VAT)
WJ Furse Lightning Earth Inspection Pit W. 300mm x 300mm H. 158mm 5000kg
  • RS Stock No. 124-2510
  • Mfr. Part No. 7TCA083320R0011 PT205
Per stuk
€ 55,13(exc. VAT)
Schneider Electric, ComPacT New Generation MCCB 4P 100A, Fixed Mount
  • RS Stock No. 260-7743
  • Mfr. Part No. C16B42D100
Per stuk
€ 852,63(exc. VAT)
RS PRO HBC, LBC Fuse Kit
  • RS Stock No. 420-252
1 kit
€ 70,56(exc. VAT)
ABB Motor Operator, For Use With XT2, XT4 Circuit Breaker
  • RS Stock No. 192-0893
  • Mfr. Part No. 1SDA066466R1
Per stuk
€ 605,24(exc. VAT)
Allen Bradley 140G for use with Circuit Breaker
  • RS Stock No. 261-2873
  • Mfr. Part No. 140G-G-RMB
Per stuk
€ 114,84(exc. VAT)
Eaton 3.15A F Ceramic Cartridge Fuse, 5 x 20mm
  • RS Stock No. 169-9424
  • Mfr. Part No. S501-3.15-R
1 zak met 1000
€ 304,72(exc. VAT)
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