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. 247-4065
FabrikantnummerDTL400KIT
FabrikantAlbrecht Jung
€ 280,46
Each
Aantal stuks
- - 3P - - - NH02 - - 400 A 3 - Surface Mount -
RS-stocknr. 513-5690
Fabrikantnummer3841 3006
FabrikantSocomec
€ 98,63
Each
Aantal stuks
- - 3P - - - - 10A - 63 A 3 - - -
RS-stocknr. 518-7130
Fabrikantnummer3LD2250-0TK13
FabrikantSiemens
€ 38,25
Each
Aantal stuks
- - - - - - - 10A - 32 A - - Panel Mount -
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. 813-9563
FabrikantnummerGS2GU3N
€ 266,69
Each
Aantal stuks
- - 3 - - - J 100kA Yes 60 A 3 Cable DIN Rail -
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. 419-031
FabrikantnummerKNB50SF4
€ 238,64
Each
Aantal stuks
- - 3P + N - Harmony K - NF 14 x 51 - - 50 A 3 Cable Clamp - -
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. 708-1756
FabrikantnummerGS2JB3
€ 241,00
Each
Aantal stuks
- - 3P - - - A4 - Yes 100 A ac, 100 A dc 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. 707-6146
Fabrikantnummer2CSM200923R1801
FabrikantABB
€ 6,25
Each
Aantal stuks
- - SP - - - 10 x 38 mm - - 32 A 1 - - -
RS-stocknr. 707-6168
Fabrikantnummer2CSM204713R1801
FabrikantABB
€ 7,84
Each
Aantal stuks
- - SP - - - 10 x 38 mm - - 32 A 1 - - -
RS-stocknr. 762-2648
Fabrikantnummer1SCA022825R2830
FabrikantABB
€ 1.376,15
Each
Aantal stuks
- - 3P - - - 3 800A Yes 630 A 3 - DIN Rail -
RS-stocknr. 398-5257
FabrikantnummerAAE003-251/029
FabrikantEICHOFF
€ 11,27
Each
Aantal stuks
- - - - - - - - - - - - Panel Mount -
RS-stocknr. 727-2369
Fabrikantnummer2CMA142423R1000
FabrikantABB
€ 33,49
Each
Aantal stuks
NO - 3P - - - - 50A Yes 16 A - Cable - -
RS-stocknr. 781-3884
Fabrikantnummer3841 6010
FabrikantSocomec
€ 219,76
Each
Aantal stuks
- - 4P - - - A4 - Yes 100 A - Shroud DIN Rail -
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. 762-2641
Fabrikantnummer1SCA022719R0250
FabrikantABB
€ 715,70
Each
Aantal stuks
- - 3P - - - 0 → 2 500A Yes 400 A 3 - DIN Rail -
RS-stocknr. 512-9459
FabrikantnummerOS100GB12P
FabrikantABB
€ 304,16
Each
Aantal stuks
- - 3P - - - BS - Yes 100 A 3 Conduit DIN Rail -
RS-stocknr. 398-5235
FabrikantnummerAAE003-251/Z038
FabrikantEICHOFF
€ 7,60
Each
Aantal stuks
- - - - - - - - - - - - Panel Mount -