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 513-5741
製造零件編號3841 3039
BrandSocomec
HK$6,049.38
單位
- 3P - - - - 10A - 400 A 3 - - - -
RS庫存編號 513-5729
製造零件編號3841 3021
BrandSocomec
HK$2,687.46
單位
- 3P - - - B1-B2 200A - 200 A 3 - - - -
RS庫存編號 513-2073
製造零件編號3641 3000
BrandSocomec
HK$464.40
單位
- 3P - - - A1 - Yes 20 A 3 Shroud - - -
RS庫存編號 513-5707
製造零件編號3841 3010
BrandSocomec
HK$1,409.08
單位
- 3P - - - - 10A - 100 A 3 - - - -
RS庫存編號 513-5713
製造零件編號3841 3016
BrandSocomec
HK$2,417.19
單位
- 3P - - - - 10A - 160 A 3 - - - -
RS庫存編號 781-3884
製造零件編號3841 6010
BrandSocomec
HK$1,995.83
單位
- 4P - - - A4 - Yes 100 A - Shroud DIN Rail - -
RS庫存編號 781-3897
製造零件編號38416021
BrandSocomec
HK$3,846.69
單位
- 4P - - - B1, B2 - Yes 200 A - Shroud DIN Rail - -
RS庫存編號 513-5684
製造零件編號3841 3003
BrandSocomec
HK$511.94
單位
- 3P - - - - 10A - 32 A 3 - - - -
RS庫存編號 172-3017
製造零件編號36153039
BrandSocomec
HK$6,133.59
單位
NO/NC, 2NO/2NC 3 FUSERBLOC - - B1, B2, B3, B4, 2 400A Yes 400 A 3 Cage DIN Rail - -
RS庫存編號 781-3816
製造零件編號3831 6005
BrandSocomec
HK$1,203.60
單位
- 4P - - - 14 x 51 mm - Yes 50 A - Shroud DIN Rail - -
RS庫存編號 781-3799
製造零件編號3631 3003
BrandSocomec
HK$674.20
單位
- 3P - - - 10 x 38 mm - Yes 32 A - Shroud DIN Rail - -
RS庫存編號 172-3018
製造零件編號36153016
BrandSocomec
HK$2,606.09
單位
NO/NC, 2NO/2NC 3 FUSERBLOC - - 00 160A Yes 160 A 3 Cage DIN Rail - -
RS庫存編號 781-3872
製造零件編號3841 6003
BrandSocomec
HK$742.61
單位
- 4P - - - A1 - Yes 32 A - Shroud DIN Rail - -
RS庫存編號 781-3838
製造零件編號3831 6011
BrandSocomec
HK$2,835.04
單位
- 4P - - - 22 x 58 mm - Yes 125 A - Shroud DIN Rail - -
RS庫存編號 781-3856
製造零件編號3831 3024
BrandSocomec
HK$4,177.98
單位
- 3P - - - 1 mm - Yes 250 A - Shroud DIN Rail - -
RS庫存編號 781-3878
製造零件編號3641 4001
BrandSocomec
HK$756.35
單位
- 3P + N - - - A1 - Yes 32 A - Shroud DIN Rail - -
RS庫存編號 781-3800
製造零件編號3631 4004
BrandSocomec
HK$1,032.36
單位
- 3P + N - - - 14 x 51 mm - Yes 32 A - Shroud DIN Rail - -
RS庫存編號 781-3787
製造零件編號3631 4002
BrandSocomec
HK$831.81
單位
- 3P + N - - - 10 x 38 mm - Yes 25 A - Shroud DIN Rail - -
RS庫存編號 513-5690
製造零件編號3841 3006
BrandSocomec
HK$896.54
單位
- 3P - - - - 10A - 63 A 3 - - - -
RS庫存編號 781-3796
製造零件編號3631 5002
BrandSocomec
HK$778.26
單位
- 3P + N - - - 10 x 38 mm - Yes 25 A - Shroud DIN Rail - -