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

47290 產品顯示為 Fuses & Circuit Breakers

12 的 999+
Phoenix Contact Surge Protector, DIN Rail Mount
  • RS庫存編號 207-2739
  • 製造零件編號 2906824
个
HK$1,317.70
Phoenix Contact Surge Protector, 250V ac, DIN Rail Mount
  • RS庫存編號 801-6270
  • 製造零件編號 2950077
个
HK$601.10
Siemens 100A D03 Neozed Fuse, gG, 400V ac
  • RS庫存編號 622-1152
  • 製造零件編號 5SE2300
个（每托盘 10 ）
HK$85.22
Better World
Siemens RCBO, 16A Current Rating, 3P Poles, 30mA Trip Sensitivity, Type C, Sentron Range
  • RS庫存編號 243-6210
  • 製造零件編號 5SU1336-7FP16
个
HK$2,219.00
Eaton RCCB, 16A, 2 Pole, 30mA, Type A, 230V ac
  • RS庫存編號 227-0690
  • 製造零件編號 267440 PFGM-16/2/003-A
个
HK$2,456.96
Eaton 32A Bolted Tag Fuse, F2, 415V ac
  • RS庫存編號 181-8622
  • 製造零件編號 NSD32M40
个
HK$484.30
Eaton 250A Tag Fuse, 31 x 131mm, 690V
  • RS庫存編號 254-763
  • 製造零件編號 250NHM2B-690
1 包 3 套
HK$893.20
Siemens 6A NH Fuse, NH000, 500V ac
  • RS庫存編號 395-670
  • 製造零件編號 3NA6801
个（每托盘 3 ）
HK$71.833
Siemens, SENTRON MCCB 3P 800A, Breaking Capacity 35 kA, Fixed Mount
  • RS庫存編號 270-4868
  • 製造零件編號 3VA2580-7MN32-0AA0
个
HK$85,215.40
Eaton xEffect MCB, 2P, 3A Curve D, 240 → 415V AC, 10 kA Breaking Capacity
  • RS庫存編號 847-3560
  • 製造零件編號 278773 FAZ-D3/2
个
HK$639.80
Schneider Electric Busbar End Feed Unit, 250A, Canalis Series
  • RS庫存編號 119-275
  • 製造零件編號 KSA250ABDD4
个
HK$27,963.43
Eaton xEffect MCB, 1P, 25A Curve D, 230 → 400V AC, 6 kA Breaking Capacity
  • RS庫存編號 769-4772
  • 製造零件編號 168065 FAZ6-D25/1
个
HK$185.70
Littelfuse 2A F Glass Cartridge Fuse, 5 x 20mm
  • RS庫存編號 541-4410
  • 製造零件編號 0217002.MXP
个（每托盘 10 ）
HK$2.78
Better World
Schneider Electric RCBO, 16A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type C, Acti 9 Range
  • RS庫存編號 790-9294
  • 製造零件編號 A9D11816
个
HK$1,590.30
Littelfuse 10A Resettable Fuse, 32V dc
  • RS庫存編號 712-7534
  • 製造零件編號 AHEF1000
个（每托盘 10 ）
HK$11.49
Eaton 60A Ceramic Cartridge Fuse, 23 x 57mm
  • RS庫存編號 182-1483
  • 製造零件編號 60KR85
个 (以毎盒：20)
HK$60.475
Dold Remote Switch Control Station Switch
  • RS庫存編號 240-9241
  • 製造零件編號 IK8800.11 AC50Hz 230V
个
HK$709.70
Schneider Electric Shunt Trip Circuit Trip for use with ComPact NS630b → 1600, ComPact NS1600b → 3200,
  • RS庫存編號 247-1857
  • 製造零件編號 33671
个
HK$2,356.40
RS PRO 200A Solid Link for B2 Fuses
  • RS庫存編號 242-1083
个
HK$115.20
Bourns 0.1A Resettable Fuse, 15V
  • RS庫存編號 691-7490P
  • 製造零件編號 MF-PSMF010X-2
个 (以每卷裝提供)
HK$3.10
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