Isolator & Switch Disconnectors

Fused switches are devices used to ensure that a circuit is completely powered down in order for it to be serviced or maintained. They isolate a given part of the circuit by cutting off its electrical supply, making it safe for service or maintenance. You can find out more in our complete guide to isolators and switch disconnectors.

Fused switches contain multiple fuses inside the same enclosure so that it is easy to select and isolate a particular part of the circuit. For example, an isolator switch can be used in a substation to physically disconnect any circuit when repairs are being carried out.

What are fused switches used for?

Fused switches protect workers performing maintenance on part of an electrical circuit as well as preventing damage to the circuit itself. The advantage of using a fused switch over a non-fused switch is that it can provide a higher level of safety compared with unfused disconnectors, as the fuse blows in the event of breaches such as short circuits or overcurrent. This makes it certain that that part of the circuit cannot have current flowing through it while being worked on.

Types of fused switches

Fused switches mainly differ depending on the type of fuses they house, the number of poles they have, and the terminal type.


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Description Price Normal State Configuration Fused/Non-Fused Number of Poles Range Series Throw Configuration Enclosed/Not Enclosed Mechanical Fuse Size Fuse Current Rating Auxiliary Contacts Available Maximum Current Electrical Phase Terminal Type Mounting Type
RS庫存編號 819-955
製造零件編號15KXTNC2F
BrandEaton
TWD10,010.00
單位
- - 3P - - - - - - - 20 A 3 - -
RS庫存編號 676-3227
製造零件編號GS2L3
TWD13,609.00
單位
- - - - - - - - - - - - - -
RS庫存編號 819-983
製造零件編號60KXSC2F
BrandEaton
TWD13,927.00
單位
- - SP - - - - - - - 63 A 1 - -
RS庫存編號 513-5713
製造零件編號3841 3016
BrandSocomec
TWD7,941.00
單位
- - 3P - - - - - 10A - 160 A 3 - -
RS庫存編號 819-961
製造零件編號30KXSC2F
BrandEaton
TWD9,034.00
單位
- - SP - - - - - - - 32 A 1 - -
RS庫存編號 819-949
製造零件編號15KXSC2F
BrandEaton
TWD7,120.00
單位
- Fused SP - Exel 2 SP Enclosed - - - 20A 1 Screw Surface Mount
全新
RS庫存編號 225-8468
製造零件編號3LD3030-1TL11
BrandSiemens
TWD1,673.00
單位
NO Fused 4 SENTRON 3LD3 - Enclosed RK5 16A - 16A - - -
全新
RS庫存編號 225-8470
製造零件編號3LD3030-1TL13
BrandSiemens
TWD1,673.00
單位
NO Fused 4 SENTRON 3LD3 - Enclosed RK5 16A - 16A - - -
全新
RS庫存編號 225-8596
製造零件編號3LD3330-1TL11
BrandSiemens
TWD2,347.00
單位
NO Fused 4 SENTRON 3LD3 - Enclosed RK5 40A - 40A - - -
RS庫存編號 213-1354
製造零件編號3LD2044-1TL51
BrandSiemens
TWD2,146.00
單位
- Fused 4 SENTRON 3LD - - - - - 16A - - -
RS庫存編號 184-9087
製造零件編號CPDB1K
BrandContactum
TWD705.00
單位
- - - - - - - - - - 200 A 3 - -
RS庫存編號 202-7102
製造零件編號5SG7230
BrandSiemens
TWD6,036.00
單位
- - - - - - - - - - - - - -
RS庫存編號 218-3268
製造零件編號3KF2412-0MF11
BrandSiemens
TWD11,559.00
單位
- Fused 4 SENTRON 3KF - - NH00, NH000 - - 125A - - -
全新
RS庫存編號 225-8471
製造零件編號3LD3040-0TK11
BrandSiemens
TWD1,270.00
單位
NO Fused 3 SENTRON 3LD3 - Enclosed RK5 16A - 16A - - -
RS庫存編號 213-1381
製造零件編號3LD2405-0TK11
BrandSiemens
TWD16,293.00
單位
3P Non-fused 3 SENTRON 3LD Single Throw Enclosed Size 5 250A - 250A - - -
全新
RS庫存編號 225-5370
製造零件編號3KF1303-0MR11
BrandSiemens
TWD8,163.00
單位
- Fused 3 SENTRON 3KF1 - - NH00, NH000 11 800A - 32A - - -
全新
RS庫存編號 225-5378
製造零件編號3KF2316-0MF51
BrandSiemens
TWD16,377.00
單位
- Fused 3 SENTRON 3KF2 - - NH00, NH000 18 000A - 160A - - -
全新
RS庫存編號 225-8597
製造零件編號3LD3330-1TL13
BrandSiemens
TWD2,347.00
單位
NO Fused 4 SENTRON 3LD3 - Enclosed RK5 40A - 40A - - -
RS庫存編號 213-1355
製造零件編號3LD2064-1TC51
BrandSiemens
TWD2,718.00
單位
- Fused 4 SENTRON 3LD - - - - - 16A - - -
RS庫存編號 218-3269
製造零件編號3KF2416-0LF11
BrandSiemens
TWD12,703.00
單位
- Fused 4 SENTRON 3KF - - NH00, NH000 - - 160A - - -