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 Mechanical Fuse Size Fuse Current Rating Auxiliary Contacts Available Maximum Current Electrical Phase Terminal Type Mounting Type Minimum Operating Temperature
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. 676-3233
FabrikantnummerGS2S3
1.135,47 €
Each
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- - 3P - - - 3 - - 400 A dc, 630 A ac 3 - DIN rail -20°C
RS-stocknr. 419-031
FabrikantnummerKNB50SF4
238,64 €
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- - 3P + N - Harmony K - NF 14 x 51 - - 50 A 3 Cable Clamp - -
RS-stocknr. 608-7564
FabrikantnummerGK1ET
100,87 €
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Aantal stuks
- - 4P - - - 14 x 51 mm - Yes 50 A - Wire Lead DIN Rail -50°C
RS-stocknr. 608-7570
FabrikantnummerGK1EW
128,58 €
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Aantal stuks
- - 3P - - - 14 x 51 mm - Yes 50 A 1 Wire Lead DIN Rail -50°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
RS-stocknr. 708-1750
FabrikantnummerGS2JB4
279,00 €
Each
Aantal stuks
- - 4P - - - A4 - Yes 100 A ac, 100 A dc 3 Wire Lead DIN Rail -20°C
RS-stocknr. 181-2587
FabrikantnummerA9N15651
20,70 €
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Aantal stuks
- - - Canalis - - - - - 63 A - Tunnel Plug-In -
RS-stocknr. 708-1769
FabrikantnummerGS2LB3
305,91 €
Each
Aantal stuks
- - 3P - - - B1, B2 - Yes 125 A dc, 160 A ac 3 Wire Lead DIN Rail -20°C
RS-stocknr. 608-7968
FabrikantnummerGS1FD3
163,83 €
Each
Aantal stuks
- - 3P - - - 14 x 51 mm - Yes 40 A dc, 50 A ac 3 Screw DIN Rail -
RS-stocknr. 708-1744
FabrikantnummerGS2GB3
205,00 €
Each
Aantal stuks
- - 3P - - - A2, A3 - Yes 40 A dc, 63 A ac 3 Wire Lead DIN Rail -20°C
RS-stocknr. 608-7586
FabrikantnummerGK1EX
128,58 €
Each
Aantal stuks
- - 3P + N - - - 14 x 51 mm - Yes 50 A 1 Wire Lead DIN Rail -50°C
RS-stocknr. 813-9575
FabrikantnummerGS2MU3N
1.247,00 €
Each
Aantal stuks
- - 3 - - - J 200kA Yes 200 A 3 Cable DIN Rail -
RS-stocknr. 708-1753
FabrikantnummerGS2GB4
235,00 €
Each
Aantal stuks
- - 4P - - - A2, A3 - Yes 40 A dc, 63 A ac 3 Wire Lead DIN Rail -20°C
RS-stocknr. 676-3209
FabrikantnummerGS2F3
166,41 €
Each
Aantal stuks
- - 3P - - - 14 x 51 mm - Yes 40 A dc, 50 A ac 3 - DIN rail -20°C
RS-stocknr. 708-1772
FabrikantnummerGS2NB4
760,00 €
Each
Aantal stuks
- - 4P - - - B1, B2, B3 - Yes 200 A dc, 250 A ac 3 Wire Lead DIN Rail -20°C
RS-stocknr. 813-9572
FabrikantnummerGS2JU3N
292,47 €
Each
Aantal stuks
- - 3 - - - J 200kA Yes 100 A 3 Cable DIN Rail -
RS-stocknr. 608-7558
FabrikantnummerGK1ES
91,13 €
Each
Aantal stuks
- - 3P - - - 14 x 51 mm - Yes 50 A - Wire Lead DIN Rail -50°C
RS-stocknr. 175-3656
FabrikantnummerA9N15650
20,86 €
Each
Aantal stuks
2P - 2 Acti 9 STI Double Throw 8.5 x 31.5 mm 10A - - - Screw DIN Rail -20°C
RS-stocknr. 708-1756
FabrikantnummerGS2JB3
241,00 €
Each
Aantal stuks
- - 3P - - - A4 - Yes 100 A ac, 100 A dc 3 Wire Lead DIN Rail -20°C