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

47282 產品顯示為 Fuses & Circuit Breakers

2 的 999+
Wurth Elektronik 10A PCB Mount Fuse Holder for 5 x 20mm Fuse, 250V ac
  • RS庫存編號 893-0586
  • 製造零件編號 696106003002
个（每托盘 10 ）
HK$4.38
Better World
Siemens SENTRON 5SV6016 Fire Safety Circuit Breaker, 2P, 16A Curve C, 230V AC, 6 kA Breaking Capacity
  • RS庫存編號 189-3186
  • 製造零件編號 5SV6016-7KK16
个
HK$1,366.70
Better World
Schneider Electric Acti 9 iC60H MCB, 2P, 63A Curve D, 440V AC, 100 → 133V DC, 10 kA Breaking Capacity
  • RS庫存編號 791-3543
  • 製造零件編號 A9F55263
个
HK$869.90
Eaton 1A F Ceramic Cartridge Fuse, 5 x 20mm
  • RS庫存編號 537-1442
  • 製造零件編號 S501-1-R
个（每托盘 10 ）
HK$4.28
SIBA 10A T Ceramic Cartridge Fuse, 5 x 20mm
  • RS庫存編號 783-3330
  • 製造零件編號 70-007-65/10A
个（每托盘 10 ）
HK$4.87
RS PRO 3A T Glass Cartridge Fuse, 5 x 20mm
  • RS庫存編號 911-3405
个（每托盘 10 ）
HK$3.39
RS PRO 250mA F Glass Cartridge Fuse, 5 x 20mm
  • RS庫存編號 563-469
个（每托盘 10 ）
HK$2.22
RS PRO 12.5A F Ceramic Cartridge Fuse, 6.3 x 32mm
  • RS庫存編號 209-9282
个（每托盘 10 ）
HK$8.15
Eaton 25A Slow-Blow Cartridge Fuse, 14 x 51mm
  • RS庫存編號 228-676
  • 製造零件編號 C14M25 CYLINDRICAL FUSE 14 x 51 25A AM 690V AC
1 包 10 套
HK$220.90
Schurter 0853 Series Thermoplastic Fuse Cover for 5 x 20mm Fuse
  • RS庫存編號 876-7880
  • 製造零件編號 0853.9561
个（每托盘 100 ）
HK$3.444
Schurter 16A Panel Mount Fuse Holder for 5 x 20mm Fuse, 1P, 250V ac
  • RS庫存編號 384-055
  • 製造零件編號 3101.0020
个（每托盘 5 ）
HK$31.32
Eaton RCBO, 16A Current Rating, 3P Poles, 30mA Trip Sensitivity, Type A, Type C, FRBmM Range
  • RS庫存編號 123-284
  • 製造零件編號 170740 FRBMM-C16/3/003-A
个
HK$1,627.03
RS PRO 16A T Ceramic Cartridge Fuse, 6.3 x 32mm
  • RS庫存編號 209-9311
个（每托盘 10 ）
HK$10.21
Eaton 20A British Standard Fuse, A1, 550V ac, 42.5mm
  • RS庫存編號 139-899
  • 製造零件編號 NITD20M32
个（每托盘 5 ）
HK$74.14
Littelfuse 1A F Glass Cartridge Fuse, 5 x 20mm
  • RS庫存編號 541-4375
  • 製造零件編號 0217001.MXP
个（每托盘 10 ）
HK$2.94
ETA Thermal Circuit Breaker - 3120-N 2 Pole 50 V DC, 240 V AC Voltage Rating, 20A Current Rating
  • RS庫存編號 210-2071
  • 製造零件編號 3120-N521-H7T1-W01D-20A
个
HK$383.70
ETA Thermal Circuit Breaker - 2-5700 Single Pole 250V Voltage Rating Panel Mount, 20A Current Rating
  • RS庫存編號 405-9179
  • 製造零件編號 2-5700-IG1-P10-DD-000040-20A
个
HK$257.20
Bourns Thermal Fuse +82°C 60 A, 28V
  • RS庫存編號 258-6396
  • 製造零件編號 SA82SB0
个（每托盘 10 ）
HK$6.02
Mersen 80A German Standard Fuse, NH00, 690V ac, 77mm
  • RS庫存編號 287-0895
  • 製造零件編號 D330237
个
HK$612.40
Better World
Schneider Electric Multi 9 C60SP MCB, 2P, 2A Curve D, 440V AC, 125V DC, 15 kA Breaking Capacity
  • RS庫存編號 211-2392
  • 製造零件編號 M9F23202
个
HK$394.50
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