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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Beskrivning Pris 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-artikelnummer 710-0602
Tillv. art.nr1SCA115896R1001
VarumärkeABB
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- 4P - - - A2, A3, A4 - Yes 160 A 3 - DIN Rail - -
RS-artikelnummer 181-2587
Tillv. art.nrA9N15651
VarumärkeSchneider Electric
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- - Canalis - - - - - 63 A - Tunnel Plug-In - -
RS-artikelnummer 781-3793
Tillv. art.nr3631 4003
VarumärkeSocomec
902,84 kr
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- 3P + N - - - 10 x 38 mm - Yes 32 A - Shroud DIN Rail - -
RS-artikelnummer 686-7385
Tillv. art.nr1SCA108790R1001 - OS20FB12A1
VarumärkeABB
443,34 kr
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- 3P - - - A1 - Yes 20 A - Screw DIN Rail - -
RS-artikelnummer 707-6158
Tillv. art.nr2CSM200883R1801
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172,16 kr
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- DP - - - 10 x 38 mm - - 32 A 1 - - - -
RS-artikelnummer 714-1928
Tillv. art.nrSDF41G00633N
VarumärkeCraig & Derricott
3 796,35 kr
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- 3P + N - - - - - Yes 63 A 3 - - - -
RS-artikelnummer 443-839
Tillv. art.nrDTL160KIT
VarumärkeIFO Electric
880,88 kr
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- 3P - - - C00/00, NH 160A - 160 A 3 - Surface Mount - -
RS-artikelnummer 179-9648
Tillv. art.nr38313016
VarumärkeSocomec
5 025,24 kr
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3P 3 FUSERBLOC - - - 160A Yes 160 A - - DIN Rail - -
RS-artikelnummer 815-3691
Tillv. art.nrGS1DDU3
VarumärkeSchneider Electric
2 877,70 kr
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- 3 - - - CC - - 30 A - - DIN Rail - -
RS-artikelnummer 419-031
Tillv. art.nrKNB50SF4
VarumärkeSchneider Electric
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- 3P + N - Harmony K - NF 14 x 51 - - 50 A 3 Cable Clamp - - -
RS-artikelnummer 726-4813
Tillv. art.nr203GNC
VarumärkeEaton
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- 3P + N - - - SF3, SF6 - - 200 A 3 Tunnel - - -
RS-artikelnummer 819-977
Tillv. art.nr30KXTNC2F
VarumärkeEaton
3 182,03 kr
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- 3P - - - - - - 32 A 3 - - - -
RS-artikelnummer 513-5707
Tillv. art.nr3841 3010
VarumärkeSocomec
1 215,70 kr
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- 3P - - - - 10A - 100 A 3 - - - -
RS-artikelnummer 781-3897
Tillv. art.nr38416021
VarumärkeSocomec
3 986,17 kr
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- 4P - - - B1, B2 - Yes 200 A - Shroud DIN Rail - -
RS-artikelnummer 513-2073
Tillv. art.nr3641 3000
VarumärkeSocomec
381,49 kr
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- 3P - - - A1 - Yes 20 A 3 Shroud - - -
RS-artikelnummer 781-3853
Tillv. art.nr3831 6015
VarumärkeSocomec
3 294,38 kr
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- 4P - - - 00 - Yes 160 A - Shroud DIN Rail - -
RS-artikelnummer 726-4917
Tillv. art.nr60KXTNC2F
VarumärkeEaton
3 380,87 kr
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- 3P + N - - - SB4 - - 63 A 3 - - - -
RS-artikelnummer 727-5816
Tillv. art.nr1SCA022778R9940
VarumärkeABB
4 441,01 kr
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- 4P - - - B1-B3 - Yes 250 A 3 Screw DIN Rail - -
RS-artikelnummer 781-3799
Tillv. art.nr3631 3003
VarumärkeSocomec
698,69 kr
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- 3P - - - 10 x 38 mm - Yes 32 A - Shroud DIN Rail - -
RS-artikelnummer 813-9563
Tillv. art.nrGS2GU3N
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