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

5 的 999+
ETA Thermal Circuit Breaker - 2-5700 Single Pole 250V Voltage Rating Panel Mount, 7A Current Rating
  • RS庫存編號 405-9135
  • 製造零件編號 2-5700-IG1-P10-DD-000040-7A
个
HK$213.30(不含稅)
MEAN WELL Surge Protector, 10kA, 320V (Volts), Panel Mount Mount
  • RS庫存編號 145-107
  • 製造零件編號 SPD-10-320S
个
HK$104.20(不含稅)
Europa EUC3P EUC MCB, 3P, 16A Curve C, 230V AC, 10 kA Breaking Capacity
  • RS庫存編號 849-6585
  • 製造零件編號 EUC3P16C
个
HK$217.70(不含稅)
Schurter PC Board Non Resettable Fuse, Radial 250mA, 250V ac
  • RS庫存編號 284-5271
  • 製造零件編號 0034.6609
个（每托盘 10 ）
HK$3.10(不含稅)
Littelfuse PC Board Non Resettable Fuse, Axial 500mA, 125V ac/dc
  • RS庫存編號 541-3259
  • 製造零件編號 0251.500NRT1L
个（每托盘 10 ）
HK$6.60(不含稅)
Littelfuse PC Board Non Resettable Fuse, Axial 2A, 125V ac/dc
  • RS庫存編號 541-3287
  • 製造零件編號 251002.NRT1L
个（每托盘 10 ）
HK$5.05(不含稅)
Panasonic SMD Non Resettable Fuse 2A, 32V dc
  • RS庫存編號 759-4785
  • 製造零件編號 ERBRE2R00V
个（每托盘 10 ）
HK$1.78(不含稅)
Schurter SMD Non Resettable Fuse 4A, 125V ac/dc
  • RS庫存編號 782-3730
  • 製造零件編號 7010.9870.63
个（每托盘 10 ）
HK$16.75(不含稅)
Schurter SMD Non Resettable Fuse 2A, 32V ac/dc
  • RS庫存編號 131-555
  • 製造零件編號 3412.0119.22
个（每托盘 10 ）
HK$4.85(不含稅)
Bourns Surface Mount Fuse 5A, 65V dc
  • RS庫存編號 245-9227
  • 製造零件編號 SF-1206F500M-2
个
HK$4.96(不含稅)
Bourns SMD Non Resettable Fuse 15A, 250V ac
  • RS庫存編號 187-8675
  • 製造零件編號 SF-3812F1500T-2
个（每托盘 10 ）
HK$24.85(不含稅)
Schurter Surface Mount Fuse 3A, 125V ac
  • RS庫存編號 270-7973
  • 製造零件編號 7010.9850.63
个
HK$8.70(不含稅)
RS PRO MCB, 1P, 10A Curve C, 240 → 415V AC, 10 kA Breaking Capacity
  • RS庫存編號 265-0195
个
HK$85.80(不含稅)
Eaton xPole MCB, 3P, 16A Curve C, 400V AC, 48V DC, 10 kA Breaking Capacity
  • RS庫存編號 864-4396
  • 製造零件編號 242474 PLSM-C16/3-MW
个
HK$810.50(不含稅)
Siemens Sentron 5SJ6 MCB, 2P, 10A Curve C, 230V AC, 60V DC, 6 kA Breaking Capacity
  • RS庫存編號 521-4478
  • 製造零件編號 5SJ6210-7KS
个
HK$530.90(不含稅)
Better World
Siemens Sentron 5SY6 MCB, 1P, 500mA Curve C, 230V AC, 6 kA Breaking Capacity
  • RS庫存編號 521-4989
  • 製造零件編號 5SY6105-7
个
HK$185.50(不含稅)
Better World
Siemens SENTRON 5SY5 MCB, 2P, 3A Curve C, 10 kA Breaking Capacity
  • RS庫存編號 203-2200
  • 製造零件編號 5SY5203-7
个
HK$1,673.90(不含稅)
Eaton RCBO, 16A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type C, PXK Range
  • RS庫存編號 183-3545
  • 製造零件編號 236964 PXK-C16/1N/003-A
个
HK$595.40(不含稅)
ETA Thermal Magnetic Circuit Breaker - 201 Single Pole, 15A Current Rating
  • RS庫存編號 333-287
  • 製造零件編號 201-15A
个
HK$311.60(不含稅)
Better World
Schneider Electric MCB
  • RS庫存編號 776-3644
  • 製造零件編號 A9N61690
个
HK$1,242.57(不含稅)
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