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. 628-8098
FabrikantnummerPN2-200
FabrikantEaton
€ 352,29
1 Box of 1
Box(es)
- 3P - PN2 - - 200A - 250 A - Screw Panel Mount - -
RS-stocknr. 781-3825
Fabrikantnummer3831 3006
FabrikantSocomec
€ 120,48
Each
Aantal stuks
- 3P - - - 00C - Yes 63 A - Shroud DIN Rail - -
RS-stocknr. 726-4737
Fabrikantnummer103GNC
FabrikantEaton
€ 603,37
Each
Aantal stuks
- 3P + N - - - SB3, SB4, SD5, SO - - 100 A 3 Tunnel - - -
RS-stocknr. 398-5190
FabrikantnummerAAE003-251/Z016
FabrikantEICHOFF
€ 7,87
Each
Aantal stuks
- - - - - - - - - - - Panel Mount - -
RS-stocknr. 710-0602
Fabrikantnummer1SCA115896R1001
FabrikantABB
€ 326,58
Each
Aantal stuks
- 4P - - - A2, A3, A4 - Yes 160 A 3 - DIN Rail - -
RS-stocknr. 172-3017
Fabrikantnummer36153039
FabrikantSocomec
€ 1.515,15
Each
Aantal stuks
NO/NC, 2NO/2NC 3 FUSERBLOC - - B1, B2, B3, B4, 2 400A Yes 400 A 3 Cage DIN Rail - -
RS-stocknr. 762-2446
FabrikantnummerOS20TPN-B
FabrikantABB
€ 167,34
Each
Aantal stuks
- 3P + N - - - A1 - - 20 A 3 - Wall Mount - -
RS-stocknr. 781-3872
Fabrikantnummer3841 6003
FabrikantSocomec
€ 79,80
Each
Aantal stuks
- 4P - - - A1 - Yes 32 A - Shroud DIN Rail - -
RS-stocknr. 781-3796
Fabrikantnummer3631 5002
FabrikantSocomec
€ 83,60
Each
Aantal stuks
- 3P + N - - - 10 x 38 mm - Yes 25 A - Shroud DIN Rail - -
RS-stocknr. 762-2607
Fabrikantnummer1SCA115189R1001
FabrikantABB
€ 280,00
Each
Aantal stuks
- 3P - - - 000 80A Yes 32 A 3 - DIN Rail - -
RS-stocknr. 708-1778
FabrikantnummerGS2NB3
€ 561,56
Each
Aantal stuks
- 3P - - - B1, B2, B3 - Yes 200 A dc, 250 A ac 3 Wire Lead DIN Rail -20°C +70°C
RS-stocknr. 726-4838
Fabrikantnummer15KXDC2F
FabrikantEaton
€ 134,99
Each
Aantal stuks
- DP - - - SA2 - - 20 A 1 - - - -
RS-stocknr. 2509646450
FabrikantnummerKKVM332CC Y/R
FabrikantAltech
€ 166,27
Each
Aantal stuks
- - - - - - - - - - - - - -
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