Isolator & Switch Disconnectors

Fused switch disconnectors 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.

Fused switch disconnectors 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 switch disconnectors used for?

Fused switch disconnectors 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 disconnector over a non-fused switch disconnector one 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 switch disconnectors

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

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Omschrijving Prijs 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-stocknr. 203-2271
Fabrikantnummer5TE8161
FabrikantSiemens
€ 24,70
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3171
Fabrikantnummer3KD2840-0NE20-0
FabrikantSiemens
€ 101,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD2 - - - - - 80A - - -
Nieuw
RS-stocknr. 218-3251
Fabrikantnummer3KF1306-0MB11
FabrikantSiemens
€ 197,00
Each
Aantal stuks
- Fused 3 SENTRON 3KF - - NH00, NH000 - - 63A - - -
RS-stocknr. 781-3890
Fabrikantnummer38416024
FabrikantSocomec
€ 655,58
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3235
Fabrikantnummer3KD5240-0RE10-0
FabrikantSiemens
€ 3.070,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD4 - - - - - 1250A - - -
Nieuw
RS-stocknr. 218-3211
Fabrikantnummer3KD3840-0PE10-0
FabrikantSiemens
€ 375,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD3 - - - - - 250A - - -
RS-stocknr. 513-5735
Fabrikantnummer3841 3024
FabrikantSocomec
€ 370,32
Each
Aantal stuks
- - 3P - - - - - 10A - 250 A 3 - -
Nieuw
RS-stocknr. 218-3226
Fabrikantnummer3KD4442-0QE10-0
FabrikantSiemens
€ 801,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD4 - - - - - 500A - - -
Nieuw
RS-stocknr. 212-5790
Fabrikantnummer3LD2514-0TK53
FabrikantSiemens
€ 74,30
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 781-3799
Fabrikantnummer3631 3003
FabrikantSocomec
€ 74,22
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 212-5730
Fabrikantnummer3KD3632-0PE10-0
FabrikantSiemens
€ 277,00
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3183
Fabrikantnummer3KD3042-0NE10-0
FabrikantSiemens
€ 173,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD3 - - - - - 100A - - -
Nieuw
RS-stocknr. 218-3275
Fabrikantnummer3KF3425-0MF11
FabrikantSiemens
€ 510,00
Each
Aantal stuks
- Fused 4 SENTRON 3KF - - NH0, NH1 - - 250A - - -
Nieuw
RS-stocknr. 212-5720
Fabrikantnummer3KD3030-2NE10-0
FabrikantSiemens
€ 123,00
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 202-7056
Fabrikantnummer5SG7611-0KK10
FabrikantSiemens
€ 14,90
Each (In a Pack of 12)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 608-7564
FabrikantnummerGK1ET
€ 100,87
Each
Aantal stuks
- - 4P - - - - 14 x 51mm - Yes 50A - Wire Lead -
RS-stocknr. 781-3793
Fabrikantnummer3631 4003
FabrikantSocomec
€ 95,94
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 202-7250
Fabrikantnummer5SG7611-0KK06
FabrikantSiemens
€ 14,50
Each (In a Pack of 12)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 813-9575
FabrikantnummerGS2MU3N
€ 1.247,00
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3177
Fabrikantnummer3KD3030-2NE20-0
FabrikantSiemens
€ 123,00
Each
Aantal stuks
- Fused 3 SENTRON 3KD3 - - - - - 100A - - -