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

247 of 999+
Temporarily out of stock
ABB System Pro M Compact S200M MCB, 4P, 1A Curve D, 400V AC, 125V DC, 15 kA Breaking Capacity
  • RS Stock No. 201-239
  • Mfr. Part No. 2CDS274001R0011
Each
PHP41,190.87(exc. VAT)
Limited stock
Hager 2 Phase Busbar
  • RS Stock No. 144-4830
  • Mfr. Part No. KB263A
Each
PHP1,804.10(exc. VAT)
In Stock
Eaton 30A Green Blade Car Fuse, 32V dc
  • RS Stock No. 848-4403
  • Mfr. Part No. MAX-30
Each
PHP898.62(exc. VAT)
Temporarily out of stock
ABB S401M MCB, 1P, 10A Curve B, 12V AC, 10 kA Breaking Capacity
  • RS Stock No. 140-579
  • Mfr. Part No. 2CCS571001R0105
Each
PHP2,313.39(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 1P 125A, Breaking Capacity 14 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-530
  • Mfr. Part No. 3VA5112-4ED11-1AA0
Each
PHP37,842.28(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 160A, Breaking Capacity 200 kA, Fixed Mount
  • RS Stock No. 270-4067
  • Mfr. Part No. 3VA2116-0KQ32-0AA0
Each
PHP183,173.07(exc. VAT)
In Stock
ABB Kit for use with T5
  • RS Stock No. 289-1582
  • Mfr. Part No. 1SDA055041R1
Each
PHP12,598.76(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 2P 40A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 269-698
  • Mfr. Part No. 3VA5240-5ED61-0AA0
Each
PHP48,898.37(exc. VAT)
Temporarily out of stock
ABB S800S MCB, 2P, 20A Curve D, 240V AC, 50 kA Breaking Capacity
  • RS Stock No. 141-214
  • Mfr. Part No. 2CCS862001R0201
Each
PHP14,001.15(exc. VAT)
In Stock
Littelfuse SMD Non Resettable Fuse 375mA, 125V
  • RS Stock No. 738-2848
  • Mfr. Part No. 0452.375MRL
Each (In a Pack of 10)
PHP113.256(exc. VAT)
Temporarily out of stock
ABB System Pro M Compact S200 M UC MCB, 4P, 20A Curve C, 400V AC, 440V DC, 10 kA Breaking Capacity
  • RS Stock No. 200-818
  • Mfr. Part No. 2CDS274061R0204
Each
PHP42,952.51(exc. VAT)
In Stock
Schurter Surface Mount Fuse 50mA, 125V ac
  • RS Stock No. 270-7963
  • Mfr. Part No. 3413.0002.11
Each
PHP106.62(exc. VAT)
Temporarily out of stock
ABB Transfer Switches - Accessories Bridging Bars for use with Low-Voltage Switch Technology
  • RS Stock No. 259-9822
  • Mfr. Part No. 1SCA121325R1001
Each
PHP11,139.23(exc. VAT)
In Stock
RS PRO 40A British Standard Fuse, F2, 415V ac
  • RS Stock No. 521-2961
Each (In a Pack of 5)
PHP651.35(exc. VAT)
Temporarily out of stock
Legrand DPX-IS Adapter for use with DPX-IS250
  • RS Stock No. 266-0299
  • Mfr. Part No. 0 262 39
Each
PHP2,350.55(exc. VAT)
Temporarily out of stock
Eaton 160A Tag Fuse, 100 x 195mm, 690V
  • RS Stock No. 262-018
  • Mfr. Part No. EBH00013TBS5
Each
PHP6,443.69(exc. VAT)
Temporarily out of stock
Schneider Electric RCBO, 32A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type B, Easy9 Range
  • RS Stock No. 654-754
  • Mfr. Part No. EZ9TDA7632
Each
PHP15,418.44(exc. VAT)
Temporarily out of stock
Eaton 150A Tan Blade Car Fuse, 32 V ac, 80 Vdc
  • RS Stock No. 849-5853
  • Mfr. Part No. ANL-150
Each (In a Pack of 5)
PHP8,936.848(exc. VAT)
Temporarily out of stock
Eaton RCBO, 25A Current Rating, 2P Poles, 100mA Trip Sensitivity, Type A, Type D, FRBdM Range
  • RS Stock No. 121-245
  • Mfr. Part No. 168227 FRBDM-D25/2/01-G/A
Each
PHP15,439.66(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 25A, Breaking Capacity 55 kA
  • RS Stock No. 209-6984
  • Mfr. Part No. 3VA1125-5EF32-0AA0
Each
PHP25,448.97(exc. VAT)
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