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庫存編號 726-4917
製造零件編號60KXTNC2F
BrandEaton
HK$3,739.18
單位
- 3P + N - - - SB4 - - 63 A 3 - - - -
RS庫存編號 819-949
製造零件編號15KXSC2F
BrandEaton
HK$1,209.27
單位
- SP - - - - - - 20 A 1 - - - -
RS庫存編號 499-7201
製造零件編號T0-2-8900/E + EZ-P1
BrandEaton
HK$196.97
單位
- 4P - - - GG/gL 20A - 20 A - - Panel Mount - -
RS庫存編號 819-977
製造零件編號30KXTNC2F
BrandEaton
HK$2,155.10
單位
- 3P - - - - - - 32 A 3 - - - -
RS庫存編號 820-012
製造零件編號100KXTNC2F
BrandEaton
HK$5,836.55
單位
- 3P - - - - - - 100 A 3 - - - -
RS庫存編號 819-955
製造零件編號15KXTNC2F
BrandEaton
HK$1,692.02
單位
- 3P - - - - - - 20 A 3 - - - -
RS庫存編號 819-983
製造零件編號60KXSC2F
BrandEaton
HK$2,380.64
單位
- SP - - - - - - 63 A 1 - - - -
RS庫存編號 726-4731
製造零件編號103GNL
BrandEaton
HK$6,194.81
單位
- 3P + N - - - SB3, SB4, SD5, SO - - 100 A 3 Tunnel - - -
RS庫存編號 726-4778
製造零件編號125KXTNC2F
BrandEaton
HK$6,760.44
單位
- 3P + N - - - SB3, SB4, SD6, SO - - 125 A 3 - - - -
RS庫存編號 726-4911
製造零件編號63GNC
BrandEaton
HK$4,988.51
單位
- 3P + N - - - SB3, SB4 - - 63 A 3 Tunnel - - -
RS庫存編號 726-4740
製造零件編號104GC
BrandEaton
HK$7,806.97
單位
- 3P + N - - - SB3, SB4, SD5, SO - - 100 A 3 Tunnel - - -
RS庫存編號 819-961
製造零件編號30KXSC2F
BrandEaton
HK$1,566.55
單位
- SP - - - - - - 32 A 1 - - - -
RS庫存編號 726-4737
製造零件編號103GNC
BrandEaton
HK$6,854.98
單位
- 3P + N - - - SB3, SB4, SD5, SO - - 100 A 3 Tunnel - - -
RS庫存編號 726-4901
製造零件編號60KXDC2F
BrandEaton
HK$2,911.96
單位
- DP - - - SB4 - - 63 A 1 - - - -
RS庫存編號 726-4838
製造零件編號15KXDC2F
BrandEaton
HK$1,699.78
單位
- DP - - - SA2 - - 20 A 1 - - - -
RS庫存編號 628-8098
製造零件編號PN2-200
BrandEaton
HK$2,680.00
毎盒:1 個
Box(es)
- 3P - PN2 - - 200A - 250 A - Screw Panel Mount - -