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

33502 Products showing for Fuses & Circuit Breakers

148 of 999+
Schneider Electric TeSys Deca Electronic Circuit Breaker 2.5A GV2ME, DIN Rail Mount
  • RS Stock No. 276-1598
  • Mfr. Part No. GV2ME073
Each
PHP6,781.02(exc. VAT)
ABB F200 RCCB, 80A, 4 Pole, 30mA, Type AC, 230V ac
  • RS Stock No. 225-6116
  • Mfr. Part No. 2CSF204001R1800 F204 AC-80/0,03
Each
PHP23,309.69(exc. VAT)
Schneider Electric, ComPacT MCCB 4P 400A, Breaking Capacity 10 kA, Fixed Mount
  • RS Stock No. 347-121
  • Mfr. Part No. C40F44B400
Each
PHP664,845.56(exc. VAT)
Better World
Siemens, SENTRON MCCB 4P 100A, Breaking Capacity 110 kA, Fixed Mount
  • RS Stock No. 270-3983
  • Mfr. Part No. 3VA2110-7HM46-0AA0
Each
PHP104,130.98(exc. VAT)
Eaton 16A Bottle Fuse, 500V
  • RS Stock No. 228-624
  • Mfr. Part No. 16D27R FUSE D2 16A 500 VAC F GR E27
1 Pack of 5
PHP1,955.84(exc. VAT)
Siemens SENTRON Interlock for use with 3VA15
  • RS Stock No. 161-612
  • Mfr. Part No. 3VA9588-0VM10
Each
PHP41,640.59(exc. VAT)
Better World
Schneider Electric RCBO, 40A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type C, Acti9 Range
  • RS Stock No. 238-3339
  • Mfr. Part No. A9DV3640
Each
PHP20,966.79(exc. VAT)
Schneider Electric, PowerPact MCCB 1P 20A, Breaking Capacity 18 kA, Clip-On
  • RS Stock No. 429-479
  • Mfr. Part No. BDF16020
Each
PHP32,911.46(exc. VAT)
ABB Tmax XT Rotary Handle for use with Tmax XT
  • RS Stock No. 237-6093
  • Mfr. Part No. 1SDA066482R1 RHE_EM XT2-XT4 W
Each
PHP11,092.96(exc. VAT)
Bourns 2.6A Resettable Fuse, 16V
  • RS Stock No. 245-9153
  • Mfr. Part No. MF-LSMF260/16X-2
Each (On a Reel of 3000)
PHP25.982(exc. VAT)
ABB S302 MCB, 2P, 40A Curve K, 415V AC, 125V DC, 100 kA Breaking Capacity
  • RS Stock No. 200-300
  • Mfr. Part No. 2CDS382001R0557
Each
PHP23,342.79(exc. VAT)
Schneider Electric Resi9 Busbar, 230V ac, 18mm Pitch
  • RS Stock No. 275-8819
  • Mfr. Part No. R9PXH213
1 Box of 5
PHP4,257.29(exc. VAT)
Schneider Electric Acti9 3 Phase Distribution Board, 6 Way, 250 A
  • RS Stock No. 339-366
  • Mfr. Part No. SEA9BPN6
Each
PHP64,150.07(exc. VAT)
ABB Undervoltage Release Circuit Trip, System Pro M Compact Range
  • RS Stock No. 539-0083
  • Mfr. Part No. 2CSS200911R0002 S2C-UA 24 AC
Each
PHP6,825.36(exc. VAT)
ABB Tmax XT Cover for use with Tmax XT
  • RS Stock No. 231-9368
  • Mfr. Part No. 1SDA105025R1 HTC XT5 3p
Each
PHP4,249.67(exc. VAT)
Siemens 2A D01 Neozed Fuse, gG, 400V ac
  • RS Stock No. 622-0907
  • Mfr. Part No. 5SE2302
Each (In a Pack of 10)
PHP109.695(exc. VAT)
Littelfuse SMD Non Resettable Fuse 40A, 72V
  • RS Stock No. 895-1603
  • Mfr. Part No. 0456040.DR
Each (In a Pack of 10)
PHP279.972(exc. VAT)
Hager BF RCCB, 63A, 3P Pole, 300mA, Type AC
  • RS Stock No. 602-190
  • Mfr. Part No. BF364
Each
PHP27,847.98(exc. VAT)
Schneider Electric RCBO, 25A Current Rating, 4P Poles, 30mA Trip Sensitivity, Type C, Acti9 Range
  • RS Stock No. 130-868
  • Mfr. Part No. A9D57425
Each
PHP72,416.97(exc. VAT)
Eaton xEffect FAZ MCB, 1P, 4A Curve D, 240V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-478
  • Mfr. Part No. 102142 FAZ-D4/1-RT
Each
PHP5,600.95(exc. VAT)
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