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

33483 Products showing for Fuses & Circuit Breakers

3 of 999+
Temporarily out of stock
Eaton xEffect FAZ MCB, 2P, 30A Curve D, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-572
  • Mfr. Part No. 102193 FAZ-D30/2-NA
Each
PHP12,316.23(exc. VAT)
Temporarily out of stock
Z-R23 ICS-R16 MCB, 16A, 240V AC, 24V DC
  • RS Stock No. 261-954
  • Mfr. Part No. ICS-R16D024B100 Z-R23/16-10
1 Pack of 2
PHP3,807.84(exc. VAT)
Temporarily out of stock
Better World
ABB, Tmax XT MCCB 3P 100A, Fixed Mount
  • RS Stock No. 236-7494
  • Mfr. Part No. 1SDA067769R1 XT2S 160 MA 100 FF
Each
PHP25,387.97(exc. VAT)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 630A, Fixed Mount
  • RS Stock No. 260-8199
  • Mfr. Part No. C63F32D630
Each
PHP316,254.70(exc. VAT)
Temporarily out of stock
ABB S802C MCB, 2P, 50A Curve C, 415V AC, 25 kA Breaking Capacity
  • RS Stock No. 140-468
  • Mfr. Part No. 2CCS882001R0504
Each
PHP8,322.17(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 175A, Breaking Capacity 10 kA, Fixed Mount
  • RS Stock No. 148-035
  • Mfr. Part No. 3VA5217-7GF41-0AA0
Each
PHP160,179.54(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60N MCB, 3P, 32A Curve C, 100 → 130V AC, 12 → 144V DC, 6 kA Breaking Capacity
  • RS Stock No. 734-9166
  • Mfr. Part No. A9F77332
Each
PHP10,983.75(exc. VAT)
Temporarily out of stock
Schneider Electric Multi9 M9F1 MCB, 4P, 32A Curve C, 440V AC, 250V DC, 6 kA Breaking Capacity
  • RS Stock No. 212-009
  • Mfr. Part No. M9F11432
Each
PHP18,043.90(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 3 Phase Distribution Board, 16 Way, 250 A
  • RS Stock No. 244-940
  • Mfr. Part No. SE48B250
Each
PHP52,246.39(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 K60H MCB Mini Circuit Breaker, 2P, 10A Curve B, 400V AC, 10000 A Breaking Capacity
  • RS Stock No. 588-879
  • Mfr. Part No. A9K11210
Each
PHP936.67(exc. VAT)
In Stock
Mersen 32A Rail Mount Fuse Holder for 10 x 38mm Fuse, 2P, 690V ac
  • RS Stock No. 189-5335
  • Mfr. Part No. H1062699 / CMC102
Each
PHP817.24(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric, Compact MCCB 3P 220A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 212-0276
  • Mfr. Part No. LV433577
Each
PHP186,324.43(exc. VAT)
Limited stock
RS PRO F, T Fuse Kit
  • RS Stock No. 893-8537
Each
PHP6,742.00(exc. VAT)
Temporarily out of stock
Schneider Electric, Compact MCCB 3P 800A, Fixed Mount
  • RS Stock No. 247-1787
  • Mfr. Part No. 33380
Each
PHP271,709.43(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric, PowerPact MCCB Molded Case Circuit Breaker 3P 15A
  • RS Stock No. 221-0893
  • Mfr. Part No. BDL36015LU
Each
PHP25,479.03(exc. VAT)
Temporarily out of stock
ABB S802N MCB, 2P, 25A Curve D, 690V AC, 36 kA Breaking Capacity
  • RS Stock No. 141-138
  • Mfr. Part No. 2CCS892001R0251
Each
PHP12,516.68(exc. VAT)
Temporarily out of stock
ABB S800C MCB, 3P, 20A Curve D, 240V AC, 25 kA Breaking Capacity
  • RS Stock No. 141-229
  • Mfr. Part No. 2CCS883001R0201
Each
PHP14,461.15(exc. VAT)
Temporarily out of stock
ABB System Pro M Compact S200 M UC MCB, 2P, 60A, Type Z, 400V AC, 440V DC, 10 kA Breaking Capacity
  • RS Stock No. 200-075
  • Mfr. Part No. 2CDS272061R0588
Each
PHP37,686.13(exc. VAT)
Temporarily out of stock
Phoenix Contact 1 Phase Surge Protector, 40kA, 1200V (Volts), DIN Rail Mount
  • RS Stock No. 131-477
  • Mfr. Part No. 2910352
Each
PHP19,551.51(exc. VAT)
Temporarily out of stock
RS PRO Three Phase Industrial Surge Protector, 50kA, 2kV, DIN Rail Mount
  • RS Stock No. 101-805
Each
PHP6,134.19(exc. VAT)
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