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

1 of 999+
Temporarily out of stock
Better World
Schneider Electric iDPN Residual Current Circuit Breaker, 32A, 1+N Pole, 300mA, Type C, 400V
  • RS Stock No. 790-7315
  • Mfr. Part No. A9D42632
Each
PHP15,867.32(exc. VAT)
In Stock
ABB, SACE Tmax XT MCCB Molded Case Circuit Breaker 3P 400A, Breaking Capacity 70 kA, Fixed Mount
  • RS Stock No. 231-9327
  • Mfr. Part No. 1SDA100345R1 XT5N 400 TMA 400-4000 3pFF
Each
PHP63,871.13(exc. VAT)
In Stock
RS PRO PC Board Non Resettable Fuse 6.3A, 250V ac
  • RS Stock No. 911-3568
Each (In a Pack of 10)
PHP6.674(exc. VAT)
Temporarily out of stock
Mersen Surge Protector
  • RS Stock No. 251-3636
  • Mfr. Part No. 83020183 / STPT2-40K275V-2P-TE GROUND MONITORING
Each
PHP8,791.84(exc. VAT)
In Stock
Eaton 1A Ceramic Cartridge Fuse, 10 x 38mm
  • RS Stock No. 703-8368
  • Mfr. Part No. C10G1
Each (In a Pack of 10)
PHP62.343(exc. VAT)
In Stock
Schneider Electric Enclosure
  • RS Stock No. 466-0527
  • Mfr. Part No. 13441
Each
PHP6,629.32(exc. VAT)
In Stock
Eaton 440mA F Melamine Cartridge Fuse, 10 x 35mm
  • RS Stock No. 459-7918
  • Mfr. Part No. DMM-B-44-100-R
Each (In a Pack of 5)
PHP3,973.952(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)
In Stock
Penta Fiberglass Earth Set Max. Conductor Size Cable CC 70mm² / terre 35mm² 317.5mm
  • RS Stock No. 248-9889
  • Mfr. Part No. KPIMT49S
Each
PHP87,807.12(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 2A Ceramic Cartridge Fuse, 10 x 38mm
  • RS Stock No. 188-6956
  • Mfr. Part No. D213098
Each (In a Pack of 10)
PHP83.931(exc. VAT)
In Stock
Siemens SENTRON 2 Phase Busbar, 27mm Pitch
  • RS Stock No. 187-5177
  • Mfr. Part No. 5ST3640
Each
PHP668.11(exc. VAT)
In Stock
Eaton Single Phase Surge Protector, 40kA, 1.4kV, DIN Rail Mount
  • RS Stock No. 120-388
  • Mfr. Part No. 167594 SPCT2-280/2
Each
PHP16,520.65(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60N MCB, 2P, 6A Curve D, 100 → 130V AC, 12 → 144V DC, 6 kA Breaking Capacity
  • RS Stock No. 734-9652
  • Mfr. Part No. A9F75206
Each
PHP9,827.64(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60H MCB, 3P, 32A Curve C, 440V AC, 100 → 133V DC, 10 kA Breaking Capacity
  • RS Stock No. 791-3398
  • Mfr. Part No. A9F54332
Each
PHP6,512.33(exc. VAT)
Temporarily out of stock
Contactum Contactum 3 Phase Distribution Board, 12 Way, 125 A
  • RS Stock No. 201-0752
  • Mfr. Part No. DDB125PIR12
Each
PHP23,973.34(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 3P 175A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 148-018
  • Mfr. Part No. 3VA5217-7ED31-1AA0
Each
PHP115,478.31(exc. VAT)
In Stock
Better World
Schneider Electric TeSys for use with TeSys GV-U
  • RS Stock No. 211-2540
  • Mfr. Part No. GVAPL01
Each
PHP6,075.30(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)
In Stock
Siemens SIRIUS 3 Phase Busbar Protector, 690V
  • RS Stock No. 755-2971
  • Mfr. Part No. 3RV2925-5EB
Each
PHP2,176.17(exc. VAT)
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