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

201 of 999+
Eaton Dummy Tray for use with Pasco Paco
  • RS Stock No. 132-462
  • Mfr. Part No. 1713607 LPC-PHM-DUMMY
Each
PHP1,475.08(exc. VAT)
Schneider Electric Power Pact Mounting Adapter for use with H-Frame Mechanical Lugs, J-Frame Mechanical Lugs
  • RS Stock No. 212-0286
  • Mfr. Part No. S37446
Each
PHP8,541.89(exc. VAT)
Schneider Electric Altivar Process Modular Busbar, 380 → 480V
  • RS Stock No. 578-334
  • Mfr. Part No. VW3A98ABMDCE
Each
PHP13,788.56(exc. VAT)
Schneider Electric, ComPacT New generation MCCB 4P 100A, Breaking Capacity 440 V, Fixed Mount
  • RS Stock No. 205-204
  • Mfr. Part No. C16B47E100
Each
PHP391,851.66(exc. VAT)
Hager HMX MCB, 4P, 40A, 400V AC, 50 Breaking Capacity
  • RS Stock No. 602-242
  • Mfr. Part No. HMX440
Each
PHP59,131.47(exc. VAT)
Siemens, SENTRON MCCB 4P 225A, Breaking Capacity 7 kA, Fixed Mount
  • RS Stock No. 147-800
  • Mfr. Part No. 3VA5222-5GC41-0AA0
Each
PHP135,535.33(exc. VAT)
Mersen 16A Offset Tag Fuse, 9.4 x 47mm
  • RS Stock No. 209-6421
  • Mfr. Part No. H1065689 / BLST24V16
Each (In a Pack of 10)
PHP254.335(exc. VAT)
Siemens SENTRON 5SY Circuit Breaker, 3P, 10A Curve D, 440V AC, 60V DC, 30 kA Breaking Capacity
  • RS Stock No. 664-357
  • Mfr. Part No. 5SY7310-8
Each
PHP12,987.14(exc. VAT)
ABB DDA200 RCD, 25A, 2 Pole, 300mA, Type AC
  • RS Stock No. 183-3649
  • Mfr. Part No. 2CSB202001R3250
Each
PHP6,854.11(exc. VAT)
Schneider Electric TransferPacT Extension Terminal for use with Circuit Breaker
  • RS Stock No. 276-2391
  • Mfr. Part No. TPSCON36
Each
PHP9,695.87(exc. VAT)
Littelfuse 10A Red Blade Car Fuse, 32V dc
  • RS Stock No. 787-4104P
  • Mfr. Part No. 0297010.WXNV
Each (Supplied in a Bag)
PHP15.345(exc. VAT)
Schneider Electric 24V ac/dc Undervoltage Release Circuit Trip for use with TeSys GV4
  • RS Stock No. 589-867
  • Mfr. Part No. GV4AU027
Each
PHP7,203.87(exc. VAT)
Eaton xEffect FAZ MCB, 3P, 4A Curve C, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-588
  • Mfr. Part No. 102242 FAZ-C4/3-NA
Each
PHP16,348.33(exc. VAT)
Eaton xEffect FAZ MCB, 3P, 1A Curve B, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 246-121
  • Mfr. Part No. 132712 FAZ-B1/3-NA
Each
PHP12,096.30(exc. VAT)
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 800A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 249-442
  • Mfr. Part No. 3VA6580-7HL32-0AA0
Each
PHP398,078.19(exc. VAT)
Eaton xEffect FAZ MCB, 3P, 32A Curve D, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-487
  • Mfr. Part No. 102314 FAZ-D32/3-RT
Each
PHP17,667.93(exc. VAT)
Eaton IZMX Electronic Circuit Breaker 3.2kA IZMX/INX, 3 channels , Withdrawable
  • RS Stock No. 132-878
  • Mfr. Part No. 183748 IZMX40H3-V32W-1
Each
PHP1,526,965.02(exc. VAT)
Eaton RCCB, 40A, 2 Pole, 30mA, Type A, 230V ac
  • RS Stock No. 230-1065
  • Mfr. Part No. 109274 PFGCM-40/2/003-A
Each
PHP5,016.12(exc. VAT)
Schneider Electric Acti9 K60H MCB Mini Circuit Breaker, 2P, 32A Curve C, 400V AC, 10000 A Breaking Capacity
  • RS Stock No. 588-893
  • Mfr. Part No. A9K12232
Each
PHP1,138.62(exc. VAT)
Eaton xEffect FAZ MCB, 2P, 30A Curve D, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-584
  • Mfr. Part No. 102233 FAZ-D30/2-RT
Each
PHP12,536.16(exc. VAT)
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