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 Number of Poles Range Series Throw Configuration Mechanical Fuse Size Fuse Current Rating Auxiliary Contacts Available Maximum Current Electrical Phase Terminal Type Mounting Type Minimum Operating Temperature Maximum Operating Temperature
RS-stocknr. 238-4811
Fabrikantnummer0 058 20
FabrikantLegrand
13,97 €
Each
Aantal stuks
- SP + N - - - 8.5 x 23 mm - - 10 A 1 Cage DIN rail -5°C +40°C
RS-stocknr. 499-7201
FabrikantnummerT0-2-8900/E + EZ-P1
FabrikantEaton
18,58 €
Each
Aantal stuks
- 4P - - - GG/gL 20A - 20 A - - Panel Mount - -
RS-stocknr. 781-3806
Fabrikantnummer3631 3004
FabrikantSocomec
93,60 €
Each
Aantal stuks
- 3P - - - 14 x 51 mm - Yes 32 A - Shroud DIN Rail - -
RS-stocknr. 247-4065
FabrikantnummerDTL400KIT
FabrikantAlbrecht Jung
280,46 €
Each
Aantal stuks
- 3P - - - NH02 - - 400 A 3 - Surface Mount - -
RS-stocknr. 518-7130
Fabrikantnummer3LD2250-0TK13
FabrikantSiemens
38,25 €
Each
Aantal stuks
- - - - - - 10A - 32 A - - Panel Mount - -
RS-stocknr. 781-3872
Fabrikantnummer3841 6003
FabrikantSocomec
81,78 €
Each
Aantal stuks
- 4P - - - A1 - Yes 32 A - Shroud DIN Rail - -
RS-stocknr. 762-2641
Fabrikantnummer1SCA022719R0250
FabrikantABB
884,00 €
Each
Aantal stuks
- 3P - - - 0 → 2 500A Yes 400 A 3 - DIN Rail - -
RS-stocknr. 238-4833
Fabrikantnummer0 058 22
FabrikantLegrand
14,67 €
Each
Aantal stuks
- SP + N - - - 8.5 x 31.5 mm - - 20 A 1 Cage DIN rail -5°C +40°C
RS-stocknr. 513-5690
Fabrikantnummer3841 3006
FabrikantSocomec
98,63 €
Each
Aantal stuks
- 3P - - - - 10A - 63 A 3 - - - -
RS-stocknr. 676-3233
FabrikantnummerGS2S3
1.135,47 €
Each
Aantal stuks
- 3P - - - 3 - - 400 A dc, 630 A ac 3 - DIN rail -20°C +70°C
RS-stocknr. 707-6161
Fabrikantnummer2CSM204733R1801
FabrikantABB
32,70 €
Each
Aantal stuks
- 3P + N - - - 10 x 38 mm - - 32 A 3 - - - -
RS-stocknr. 419-031
FabrikantnummerKNB50SF4
238,64 €
Each
Aantal stuks
- 3P + N - Harmony K - NF 14 x 51 - - 50 A 3 Cable Clamp - - -
RS-stocknr. 781-3831
Fabrikantnummer3831 6010
FabrikantSocomec
219,76 €
Each
Aantal stuks
- 4P - - - 22 x 58 mm - Yes 100 A - Shroud DIN Rail - -
RS-stocknr. 608-7564
FabrikantnummerGK1ET
100,87 €
Each
Aantal stuks
- 4P - - - 14 x 51 mm - Yes 50 A - Wire Lead DIN Rail -50°C +70°C
RS-stocknr. 676-3221
FabrikantnummerGS2N3
550,51 €
Each
Aantal stuks
- 3P - - - 1 - Yes 200 A dc, 250 A ac 3 - DIN rail -20°C +70°C
RS-stocknr. 608-8006
FabrikantnummerGS1JD3
238,71 €
Each
Aantal stuks
- 3P - - - 22 x 58 mm - Yes 100 A ac, 100 A dc 3 Screw DIN Rail - -
RS-stocknr. 727-2362
Fabrikantnummer2CMA142417R1000
FabrikantABB
71,00 €
Each
Aantal stuks
NO 3P - - - - 50A Yes 16 A - Cable - - -
RS-stocknr. 513-2073
Fabrikantnummer3641 3000
FabrikantSocomec
46,04 €
Each
Aantal stuks
- 3P - - - A1 - Yes 20 A 3 Shroud - - -
RS-stocknr. 443-839
FabrikantnummerDTL160KIT
FabrikantIFO Electric
85,19 €
Each
Aantal stuks
- 3P - - - C00/00, NH 160A - 160 A 3 - Surface Mount - -
RS-stocknr. 707-6177
Fabrikantnummer2CSM204703R1801
FabrikantABB
14,00 €
Each
Aantal stuks
- DP - - - 10 x 38 mm - - 32 A 1 - - - -
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