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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Description Price Normal State Configuration Fused/Non-Fused Number of Poles Range Series Throw Configuration Enclosed/Not Enclosed Mechanical Fuse Size Fuse Current Rating Auxiliary Contacts Available Maximum Current Electrical Phase Terminal Type Mounting Type
RS Stock No. 518-7130
Mfr. Part No.3LD2250-0TK13
BrandSiemens
PHP2,791.08
Each
units
- - - - - - - - 10A - 32 A - - Panel Mount
RS Stock No. 676-3215
Mfr. Part No.GS2K3
PHP17,872.63
Each
units
- - - - - - - - - - - - - -
RS Stock No. 710-0570
Mfr. Part No.OS63GB03P 1SCA115235R1001
BrandABB
PHP10,925.14
Each
units
- - 3P - - - - A2, A3 - Yes 63 A 3 Screw DIN Rail
RS Stock No. 499-7201
Mfr. Part No.78640548 & T0-2-8900/E/EZ-P1(RS499-7201)
BrandEaton
PHP1,592.79
Each
units
- - - - - - - - - - - - - -
RS Stock No. 781-3840
Mfr. Part No.3831 6012
BrandSocomec
PHP19,232.14
Each
units
- - - - - - - - - - - - - -
RS Stock No. 813-9575
Mfr. Part No.GS2MU3N
PHP41,886.53
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 219-8313
Mfr. Part No.GS2QQ3
PHP67,591.69
Each
units
- Fused 3 TeSys GS2Q - - 2 400A - - - - -
RS Stock No. 122-0516
Mfr. Part No.38313039
BrandSocomec
PHP49,506.90
Each
units
- - 3 - FUSERBLOC - - BS88 400A Yes - 3 Screw DIN Rail
New
RS Stock No. 218-3302
Mfr. Part No.3LD2504-1TD51
BrandSiemens
PHP7,484.65
Each
units
- Fused 4 SENTRON 3LD - - - - - 63A - - -
New
RS Stock No. 213-1378
Mfr. Part No.3LD2244-0TK53
BrandSiemens
PHP4,588.53
Each
units
3P Non-fused 3 SENTRON 3LD Single Throw Enclosed Size 2 32A - 32A - - -
New
RS Stock No. 212-5777
Mfr. Part No.3LD2013-0TK53
BrandSiemens
PHP3,510.50
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 218-3273
Mfr. Part No.3KF3325-0MF51
BrandSiemens
PHP34,534.46
Each
units
- Fused 3 SENTRON 3KF - - NH0, NH1 - - 250A - - -
New
RS Stock No. 218-3192
Mfr. Part No.3KD3242-2NE10-0
BrandSiemens
PHP14,641.04
Each
units
- Fused 4 SENTRON 3KD3 - - - - - 125A - - -
RS Stock No. 204-1576
Mfr. Part No.P3-100/SE3
BrandEaton
PHP17,566.08
Each
units
- - - - - - - - - - - - - -
RS Stock No. 781-3856
Mfr. Part No.3831 3024
BrandSocomec
PHP34,138.37
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 218-3280
Mfr. Part No.3KF5363-2LF11
BrandSiemens
PHP87,977.52
Each
units
- Fused 3 SENTRON 3KF - - NH2, NH3 - - 630A - - -
New
RS Stock No. 213-1366
Mfr. Part No.3NP1133-1BC10
BrandSiemens
PHP4,232.32
Each
units
- Fused 3 SENTRON 3NP11 - - NH00, NH000 - - 160A - - -
RS Stock No. 781-3806
Mfr. Part No.3631 3004
BrandSocomec
PHP5,305.06
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 218-3270
Mfr. Part No.3KF2416-0MF11
BrandSiemens
PHP20,615.63
Each
units
- Fused 4 SENTRON 3KF - - NH00, NH000 - - 160A - - -
New
RS Stock No. 218-3169
Mfr. Part No.3KD2832-2NE10-0
BrandSiemens
PHP8,206.86
Each
units
- Fused 3 SENTRON 3KD2 - - - - - 80A - - -