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

38107 Products showing for Fuses & Circuit Breakers

9 of 999+
Limited stock
Eaton 63A Centred Tag Fuse NH000 500V ac
  • RS Stock No. 703-8649
  • Mfr. Part No. 63NHG000B
Subtotal (1 unit)
PHP546.38(exc. VAT)
PHP546.38/unit
Stocked by manufacturer
Schneider Electric Multi9 M9F1 Miniature Circuit Breaker, 2-Pole, 2A, Type D, 440V ac AC, 125 V dc DC, 6 kA Breaking
  • RS Stock No. 212-128
  • Mfr. Part No. M9F12202
Subtotal (1 unit)
PHP11,828.52(exc. VAT)
PHP11,828.52/unit
In Stock
Schneider Electric Opale Opale mini 1 Phase Distribution Board 4 Way
  • RS Stock No. 301-8593
  • Mfr. Part No. 13394
Subtotal (1 unit)
PHP968.92(exc. VAT)
PHP968.92/unit
Stocked by manufacturer
Siemens SENTRON 5SY4 Circuit Breaker, 2-Pole, 20A, Type B, Type C, 400V ac AC, 60 V dc DC, 10 kA Breaking Capacity
  • RS Stock No. 153-528
  • Mfr. Part No. 5SY4220-6
Subtotal (1 unit)
PHP6,251.84(exc. VAT)
PHP6,251.84/unit
Stocked by manufacturer
Better World
Siemens Residual Current Circuit Breaker with Overload Protection, 32A Current Rating, 2-Pole, 30 mA Trip Sensitivity,
  • RS Stock No. 151-1211
  • Mfr. Part No. 5SU1356-6KK32
Subtotal (1 unit)
PHP4,177.10(exc. VAT)
PHP4,177.10/unit
Temporarily out of stock
ABB, SACE Tmax XT, XT3N Molded Case Circuit Breaker 3-Pole 150A, Breaking Capacity 10 kA, Fixed
  • RS Stock No. 231-9325
  • Mfr. Part No. 1SDA075115R1 XT3N 225 TMF 150-1500 3p F
Subtotal (1 unit)
PHP47,276.15(exc. VAT)
PHP47,276.15/unit
In Stock
Siemens 100A NH Fuse NH000 500V ac
  • RS Stock No. 396-102
  • Mfr. Part No. 3NA3830
Subtotal (1 pack of 3 units)
PHP4,026.45(exc. VAT)
PHP1,342.15/unit
In Stock
RS PRO NF12 Series Residual Current Circuit Breaker, 25A, 2-Pole, 30 mA, Type A 230V ac
  • RS Stock No. 284-2367
Subtotal (1 unit)
PHP3,083.68(exc. VAT)
PHP3,083.68/unit
In Stock
Better World
Schneider Electric Support for use with Compact NSX 100/160/250
  • RS Stock No. 221-1175
  • Mfr. Part No. LV429275
Subtotal (1 unit)
PHP1,390.40(exc. VAT)
PHP1,390.40/unit
In Stock
Better World
Schneider Electric, ComPact NSX, C25F Circuit Breaker 3-Pole 250A, Breaking Capacity 36 kA
  • RS Stock No. 254-6357
  • Mfr. Part No. C25F3TM250
Subtotal (1 unit)
PHP137,803.00(exc. VAT)
PHP137,803.00/unit
Stocked by manufacturer
Eaton 63A Fuse Holder for 125 x 90 mm, 1P-Pole, 550V
  • RS Stock No. 228-758
  • Mfr. Part No. 63ENSF 63A 550V FUSE HOLDER
Subtotal (1 pack of 5 units)
PHP9,561.59(exc. VAT)
PHP9,561.59/pack
In Stock
Better World
Schneider Electric, ComPact NSX100B, ComPacT NSX Molded Case Circuit Breaker 3-Pole 50A, Breaking Capacity 25 kA
  • RS Stock No. 254-6279
  • Mfr. Part No. C10B3TM050
Subtotal (1 unit)
PHP39,170.26(exc. VAT)
PHP39,170.26/unit
In Stock
Littelfuse 10A Red Car Fuse, 32V dc
  • RS Stock No. 787-4104
  • Mfr. Part No. 0297010.WXNV
Subtotal (1 pack of 10 units)
PHP172.26(exc. VAT)
PHP17.226/unit
Limited stock
Better World
Schneider Electric, PowerPact, PowerPacT Molded Case Circuit Breaker 3-Pole 100A, Breaking Capacity 14 kA, Fixed
  • RS Stock No. 212-0149
  • Mfr. Part No. BDL36100LU
Subtotal (1 unit)
PHP72,449.10(exc. VAT)
PHP72,449.10/unit
In Stock
Schneider Electric TeSys TeSyS GB2 Thermal Circuit Breaker - 1-Pole, DIN Rail, 6A Current Rating, 1.5 kA, 110V ac, 48 V
  • RS Stock No. 312-3689
  • Mfr. Part No. GB2CB12
Subtotal (1 unit)
PHP2,784.09(exc. VAT)
PHP2,784.09/unit
Temporarily out of stock
Better World
Schneider Electric, ComPact NSX100F, C10F Circuit Breaker 3-Pole 100A, Breaking Capacity 36 kA, Fixed
  • RS Stock No. 254-6286
  • Mfr. Part No. C10F3TM100
Subtotal (1 unit)
PHP66,233.32(exc. VAT)
PHP66,233.32/unit
In Stock
Better World
Schneider Electric Surge Protector, 200 A, 1000 V
  • RS Stock No. 219-8276
  • Mfr. Part No. A9L40281
Subtotal (1 unit)
PHP15,039.82(exc. VAT)
PHP15,039.82/unit
In Stock
Eaton 20A Cartridge Fuse, 14 x 51 mm
  • RS Stock No. 229-189
  • Mfr. Part No. C14G20S CYL FUSE >STR >14 x 51 20A GG 690V AC
Subtotal (1 pack of 10 units)
PHP6,280.52(exc. VAT)
PHP6,280.52/pack
Stocked by manufacturer
Schneider Electric, ComPact, ComPacT NSX Molded Case Circuit Breaker 3-Pole 250A, Breaking Capacity 50 kA
  • RS Stock No. 260-7935
  • Mfr. Part No. C25N32D250
Subtotal (1 unit)
PHP159,135.46(exc. VAT)
PHP159,135.46/unit
In Stock
Siemens Wire Connector for use with 3VA5
  • RS Stock No. 269-7081
  • Mfr. Part No. 3VA9133-0JD10
Subtotal (1 pack of 3 units)
PHP6,204.51(exc. VAT)
PHP2,068.17/unit
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