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

50166 Products showing for Fuses & Circuit Breakers

9 of 999+
In Stock
RS PRO 2A T Ceramic Cartridge Fuse, 5 x 20 mm
  • RS Stock No. 610-9771
Subtotal (1 pack of 10 units)
Kr. 65,22(exc. VAT)
Kr. 6,522/unit
Temporarily out of stock
Eaton 10A Ceramic Cartridge Fuse, 10 x 38 mm
  • RS Stock No. 703-8386
  • Mfr. Part No. C10G10
Subtotal (1 pack of 10 units)
Kr. 157,14(exc. VAT)
Kr. 15,714/unit
In Stock
SIBA Non-Resettable Fuse 100 mA, 250 V
  • RS Stock No. 736-2601
  • Mfr. Part No. 160000.0,1
Subtotal (1 bag of 10 units)
Kr. 133,74(exc. VAT)
Kr. 13,374/unit
In Stock
ETA 1110 Thermal Circuit Breaker - 1-Pole, Base, 10A Current Rating, 25 A, 250V ac, 50 V dc
  • RS Stock No. 417-010
  • Mfr. Part No. 1110-F112-P1M1-10A
Subtotal (1 unit)
Kr. 241,47(exc. VAT)
Kr. 241,47/unit
In Stock
TE Connectivity W54 Thermal Circuit Breaker - 1-Pole, Direct, 20A Current Rating, 1000 A, 250V ac, 50 V dc
  • RS Stock No. 782-7988
  • Mfr. Part No. W54-XB1A4A10-20
Subtotal (1 unit)
Kr. 48,73(exc. VAT)
Kr. 48,73/unit
In Stock
ABB Tmax XT Changeover Contact for use with Circuit Breaker
  • RS Stock No. 232-0183
  • Mfr. Part No. 1SDA066431R1 AUX-C 1Q+1SY 250V XT1..XT4
Subtotal (1 unit)
Kr. 765,13(exc. VAT)
Kr. 765,13/unit
In Stock
Eaton 1A F Glass Cartridge Fuse, 5 x 20 mm
  • RS Stock No. 537-1212
  • Mfr. Part No. S500-1-R
Subtotal (1 pack of 10 units)
Kr. 16,52(exc. VAT)
Kr. 1,652/unit
In Stock
RS PRO DHMZ Miniature Circuit Breaker, 2-Pole, 2A, Type C, 240V ac AC, 10 kA Breaking Capacity
  • RS Stock No. 265-0182
Subtotal (1 unit)
Kr. 98,30(exc. VAT)
Kr. 98,30/unit
In Stock
Legrand 10A Ceramic Cartridge Fuse, 10 x 38 mm
  • RS Stock No. 180-6111
  • Mfr. Part No. 0 130 10
Subtotal (1 box of 10 units)
Kr. 243,67(exc. VAT)
Kr. 24,367/unit
In Stock
Mersen 10A GPV Glass Melamine Cartridge Fuse, 10 x 38 mm
  • RS Stock No. 136-0629
  • Mfr. Part No. HP10M10
Subtotal (1 unit)
Kr. 125,73(exc. VAT)
Kr. 125,73/unit
In Stock
SIBA 250mA T Ceramic Cartridge Fuse, 5 x 20 mm
  • RS Stock No. 783-3270
  • Mfr. Part No. 70-007-65/0.25A
Subtotal (1 pack of 10 units)
Kr. 72,35(exc. VAT)
Kr. 7,235/unit
In Stock
Eaton 4A Ceramic Cartridge Fuse, 10 x 38 mm
  • RS Stock No. 703-8370
  • Mfr. Part No. C10G4
Subtotal (1 pack of 10 units)
Kr. 157,14(exc. VAT)
Kr. 15,714/unit
In Stock
Littelfuse 125A Grey, White Car Fuse, 80V dc
  • RS Stock No. 226-0850
  • Mfr. Part No. 157.5701.6121
Subtotal (1 unit)
Kr. 102,72(exc. VAT)
Kr. 102,72/unit
Temporarily out of stock
Eaton 100A NH Fuse NH00 690V ac
  • RS Stock No. 181-8544
  • Mfr. Part No. 100NHG00B-690
Subtotal (1 box of 3 units)
Kr. 231,09(exc. VAT)
Kr. 231,09/box
In Stock
RS Better World
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 3-Pole, 10A, Type C, 440V ac AC, 133 V dc DC, 10 kA Breaking
  • RS Stock No. 776-6962
  • Mfr. Part No. A9F04310
Subtotal (1 unit)
Kr. 1 432,75(exc. VAT)
Kr. 1 432,75/unit
In Stock
Littelfuse 5A T Ceramic Cartridge Fuse, 5 x 20 mm
  • RS Stock No. 541-4707
  • Mfr. Part No. 0215005.MXP
Subtotal (1 pack of 10 units)
Kr. 201,74(exc. VAT)
Kr. 20,174/unit
In Stock
Limitor Thermal Fuse 115 °C, 3 A, 250 V ac
  • RS Stock No. 124-5058
  • Mfr. Part No. A2-3AF
Subtotal (1 pack of 5 units)
Kr. 52,20(exc. VAT)
Kr. 10,44/unit
In Stock
NEMIQ Cylindrical Fuse Kit
  • RS Stock No. 756-521
  • Mfr. Part No. AS MICRO 60
Subtotal (1 unit)
Kr. 135,34(exc. VAT)
Kr. 135,34/unit
In Stock
ETA 1658 Thermal Circuit Breaker - 1-Pole, Panel, 10A Current Rating, 25 A, 250V ac, 28 V dc
  • RS Stock No. 273-0860
  • Mfr. Part No. 1658-G21-02-P10-10A
Subtotal (1 unit)
Kr. 65,58(exc. VAT)
Kr. 65,58/unit
In Stock
RS Better World
ABB System Pro M Compact S200 Miniature Circuit Breaker, 1-Pole, 1A, Type C, 230V ac AC, 72 V dc DC, 6 kA Breaking
  • RS Stock No. 746-7646
  • Mfr. Part No. 2CDS251001R0014 S201-C1
Subtotal (1 unit)
Kr. 227,04(exc. VAT)
Kr. 227,04/unit
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