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

33493 Products showing for Fuses & Circuit Breakers

120 of 999+
Better World
  • RS Stock No. 271-9385
  • Mfr. Part No. 3VA1163-4ED12-0AA0
Each
PHP10,834.84(exc. VAT)
  • RS Stock No. 140-327
  • Mfr. Part No. 2CCS864001R1845
Each
PHP49,271.15(exc. VAT)
  • RS Stock No. 300-087
  • Mfr. Part No. 5SD7490-6
Each
PHP3,003.33(exc. VAT)
  • RS Stock No. 655-036
  • Mfr. Part No. LV847514
Each
PHP8,093.73(exc. VAT)
  • RS Stock No. 276-8973
  • Mfr. Part No. R9PRA440
Each
PHP18,105.84(exc. VAT)
  • RS Stock No. 236-7321
  • Mfr. Part No. 1SDA067500R1 Ekip LS/I In=100A XT4 3p
Each
PHP42,174.11(exc. VAT)
  • RS Stock No. 147-716
  • Mfr. Part No. 3VA5180-5ED21-1AA0
Each
PHP27,902.50(exc. VAT)
  • RS Stock No. 219-8383
  • Mfr. Part No. LV433276
Each
PHP95,040.32(exc. VAT)
Better World
  • RS Stock No. 776-3253
  • Mfr. Part No. A9F87232
Each
PHP15,753.26(exc. VAT)
  • RS Stock No. 328-300
  • Mfr. Part No. 5SL6425-6
Each
PHP8,990.63(exc. VAT)
  • RS Stock No. 237-6086
  • Mfr. Part No. 1SDA066468R1 MOE XT2-XT4 480...525VAC
Each
PHP58,512.63(exc. VAT)
  • RS Stock No. 237-6046
  • Mfr. Part No. 1SDA066298R1 KL-D RONIS FP W XT2-XT4
Each
PHP10,744.07(exc. VAT)
  • RS Stock No. 738-3080
  • Mfr. Part No. 0259.250T
Each
PHP363.78(exc. VAT)
  • RS Stock No. 127-746
  • Mfr. Part No. 183453 IZMX16H4-P08F-1
Each
PHP709,164.73(exc. VAT)
  • RS Stock No. 506-961
  • Mfr. Part No. RGEF1000
Each (In a Pack of 5)
PHP61.776(exc. VAT)
  • RS Stock No. 200-306
  • Mfr. Part No. 2CDS382001R0984
Each
PHP19,798.44(exc. VAT)
  • RS Stock No. 253-133
  • Mfr. Part No. 195324 BPM-O-1100/8-P-EP
Each
PHP67,079.47(exc. VAT)
Better World
  • RS Stock No. 328-374
  • Mfr. Part No. 5SL6008-7KL
Each
PHP5,564.30(exc. VAT)
  • RS Stock No. 147-424
  • Mfr. Part No. 3VA5211-6EC31-2AA0
Each
PHP117,114.88(exc. VAT)
  • RS Stock No. 182-1635
  • Mfr. Part No. 80ET
Each
PHP1,477.48(exc. VAT)
Results per page