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 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 Stock No. 136-5277
BrandRS PRO
PHP9,770.57
Each
units
6NO 6 - - 6PST - - - 63 A 3 - Wall Mount - -
RS Stock No. 707-6177
Mfr. Part No.2CSM204703R1801
BrandABB
PHP739.40
Each
units
- DP - - - 10 x 38 mm - - 32 A 1 - - - -
RS Stock No. 381-5726
Mfr. Part No.5560S
PHP776.50
Each
units
- DP - Sentry - - - - 63 A - Tunnel - -5°C +40°C
RS Stock No. 707-6146
Mfr. Part No.2CSM200923R1801
BrandABB
PHP329.51
Each
units
- SP - - - 10 x 38 mm - - 32 A 1 - - - -
RS Stock No. 707-6158
Mfr. Part No.2CSM200883R1801
BrandABB
PHP1,078.23
Each
units
- DP - - - 10 x 38 mm - - 32 A 1 - - - -
RS Stock No. 708-1756
Mfr. Part No.GS2JB3
PHP10,609.17
Each
units
- 3P - - - A4 - Yes 100 A ac, 100 A dc 3 Wire Lead DIN Rail -20°C +70°C
RS Stock No. 762-2641
Mfr. Part No.1SCA022719R0250
BrandABB
PHP45,830.21
Each
units
- 3P - - - 0 → 2 500A Yes 400 A 3 - DIN Rail - -
RS Stock No. 419-555
Mfr. Part No.5500S
PHP942.20
Each
units
- DP - Sentry - - - - 100 A - Tunnel - -5°C +40°C
RS Stock No. 707-6168
Mfr. Part No.2CSM204713R1801
BrandABB
PHP739.40
Each
units
- SP - - - 10 x 38 mm - - 32 A 1 - - - -
RS Stock No. 628-8098
Mfr. Part No.PN2-200
BrandEaton
PHP20,425.99
1 Box of 1
Box(es)
- 3P - PN2 - - 200A - 250 A - Screw Panel Mount - -
RS Stock No. 534-5178
Mfr. Part No.MGFA1003C
PHP49,707.30
Each
units
- 3P + N - - - A2, A3, A4, CEO100 - - 100 A - - - - -
RS Stock No. 813-9572
Mfr. Part No.GS2JU3N
PHP30,121.14
Each
units
- 3 - - - J 200kA Yes 100 A 3 Cable DIN Rail - -
RS Stock No. 710-0570
Mfr. Part No.1SCA115235R1001
BrandABB
PHP10,646.66
Each
units
- 3P - - - A2, A3 - Yes 63 A 3 Screw DIN Rail - -
RS Stock No. 238-4827
Mfr. Part No.0 058 21
BrandLegrand
PHP821.28
Each
units
- SP + N - - - 10.3 x 25.8 mm - - 16 A 1 Cage DIN rail -5°C +40°C
RS Stock No. 518-7130
Mfr. Part No.3LD2250-0TK13
BrandSiemens
PHP1,837.69
Each
units
- - - - - - 10A - 32 A - - Panel Mount - -
RS Stock No. 499-7201
Mfr. Part No.T0-2-8900/E + EZ-P1
BrandEaton
PHP1,341.60
Each
units
- 4P - - - gG/gL 20A - 20 A - - Panel Mount - -
RS Stock No. 676-3215
Mfr. Part No.GS2K3
PHP17,134.56
Each
units
- 3P - - - 22 x 58 mm - Yes 100 A dc, 125 A ac 3 - DIN rail -20°C +70°C
RS Stock No. 727-5838
Mfr. Part No.1SCA022719R0840
BrandABB
PHP48,104.56
Each
units
- 3P - - - B1-B4 - Yes 400 A 3 Screw DIN Rail - -
RS Stock No. 608-7564
Mfr. Part No.GK1ET
PHP10,831.74
Each
units
- 4P - - - 14 x 51 mm - Yes 50 A - Wire Lead DIN Rail -50°C +70°C
RS Stock No. 781-3844
Mfr. Part No.3831 3015
BrandSocomec
PHP15,820.28
Each
units
- 3P - - - 00 - Yes 160 A - Shroud DIN Rail - -
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