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
Nieuw
RS-stocknr. 218-3237
Fabrikantnummer3KD5240-0RE20-0
FabrikantSiemens
€ 3.070,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD4 - - - - - 1250A - - -
RS-stocknr. 781-3825
Fabrikantnummer3831 3006
FabrikantSocomec
€ 116,04
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 213-1353
Fabrikantnummer3LD2013-1TL53
FabrikantSiemens
€ 57,80
Each
Aantal stuks
- Fused 4 SENTRON 3LD - - - - - 16A - - -
Nieuw
RS-stocknr. 212-5806
Fabrikantnummer3LD3230-0TK11
FabrikantSiemens
€ 30,30
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 781-3897
Fabrikantnummer38416021
FabrikantSocomec
€ 423,60
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 727-2362
Fabrikantnummer2CMA142417R1000 BWS 316 TPN
FabrikantABB
€ 34,51
Each
Aantal stuks
NO - 3P - - - - - 50A Yes 16 A - Cable -
RS-stocknr. 202-7102
Fabrikantnummer5SG7230
FabrikantSiemens
€ 149,00
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3280
Fabrikantnummer3KF5363-2LF11
FabrikantSiemens
€ 1.340,00
Each
Aantal stuks
- Fused 3 SENTRON 3KF - - NH2, NH3 - - 630A - - -
Nieuw
RS-stocknr. 211-5990
Fabrikantnummer3VA1116-1AA46-0AA0
FabrikantSiemens
€ 445,00
Each
Aantal stuks
- Non-fused 4 0AA0 3VA11 - Enclosed - 160A - 160A - - -
Nieuw
RS-stocknr. 218-3265
Fabrikantnummer3KF2316-0MF11
FabrikantSiemens
€ 251,00
Each
Aantal stuks
- Fused 3 SENTRON 3KF - - NH00, NH000 - - 160A - - -
Nieuw
RS-stocknr. 212-5801
Fabrikantnummer3LD2866-0TB51
FabrikantSiemens
€ 405,00
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3284
Fabrikantnummer3KF5463-0LF11
FabrikantSiemens
€ 1.570,00
Each
Aantal stuks
- Fused 4 SENTRON 3KF - - NH2, NH3 - - 630A - - -
Nieuw
RS-stocknr. 218-3180
Fabrikantnummer3KD3040-0NE20-0
FabrikantSiemens
€ 138,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD3 - - - - - 100A - - -
Nieuw
RS-stocknr. 212-5798
Fabrikantnummer3LD2814-0TK51
FabrikantSiemens
€ 152,00
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3282
Fabrikantnummer3KF5380-0MF11
FabrikantSiemens
€ 1.510,00
Each
Aantal stuks
- Fused 3 SENTRON 3KF - - NH2, NH3 - - 800A - - -
RS-stocknr. 204-1569
FabrikantnummerP1-32/SE1
FabrikantEaton
€ 145,58
Each
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 218-3247
Fabrikantnummer3KF1303-0LB11
FabrikantSiemens
€ 156,00
Each
Aantal stuks
- Fused 3 SENTRON 3KF - - NH00, NH000 - - 32A - - -
Nieuw
RS-stocknr. 218-3164
Fabrikantnummer3KD2240-2ME20-0
FabrikantSiemens
€ 85,70
Each
Aantal stuks
- Fused 4 SENTRON 3DK2 - - - - - 32A - - -
Nieuw
RS-stocknr. 218-3201
Fabrikantnummer3KD3442-0NE10-0
FabrikantSiemens
€ 225,00
Each
Aantal stuks
- Fused 4 SENTRON 3KD3 - - - - - 160A - - -
RS-stocknr. 781-3878
Fabrikantnummer3641 4001
FabrikantSocomec
€ 83,29
Each
Aantal stuks
- - - - - - - - - - - - - -