Non-Fused Switch Disconnectors

Non-fused switch disconnectors are a safety device designed to power down or isolate a part of a circuit while it is being serviced or maintained. Unlike fused switch disconnectors, they do not use a fuse to break the circuit, instead using either a rotary or knife-blade disconnect. Rotary switches break the circuit by rotation of a lever, while knife-blade switches use a hinge to lift a lever off its slot.

What are non-fused switch disconnectors used for?

Non-fused switch disconnectors are used to isolate circuit breakers, transmission lines and transformers as part of their maintenance process. They are a safety measure and are not intended for use as a regular part of the circuit.

Types of non-fused switch disconnectors

Non-fused switch disconnectors vary in the method of disconnecting that they use, whether rotary or knife-blade. Beyond that, they have differing power, voltage and switch ratings, as well as different maximum current capabilities, which will determine which non-fused switch disconnector you choose.


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Description Price Number of Poles Maximum Current Model Number Range Mounting Type Series Normal State Configuration Power Rating IP Rating Accepts Padlocks Voltage Rating Auxiliary Contacts Available Electrical Phase Switch Rating
RS庫存編號 341-2119
製造零件編號FSDDR0323
HK$2,864.23
單位
3 32 A - - Enclosed - - 15 kW IP65 Yes 415 V ac Yes 3 50 kA
RS庫存編號 810-0791
製造零件編號SD00253B
HK$288.40
單位
3 25 A - - DIN Rail - - 9 kW, 11 kW IP65 Yes 415 V, 690 V Yes - 0.5 kA
RS庫存編號 810-0763
製造零件編號SDDG633EBZ22
HK$2,172.00
單位
3 63 A - - Enclosed - - 25 kW - Yes 440 V Yes 3 600 A
RS庫存編號 714-1745
製造零件編號SDP253
HK$308.88
單位
3 25 A - - Enclosed - 3NO 15 kW IP65 Yes 690 V Yes 3 6 kV
RS庫存編號 810-0820
製造零件編號SDC01253B
HK$819.10
單位
3 125 A - - DIN Rail - - 63 kW IP65 Yes 415 V Yes - 2.8 kA
RS庫存編號 714-1824
製造零件編號SDS206EB
HK$1,716.66
單位
6 + 2EB Aux 20 A - - Enclosed - 6NO 7.5 kW IP65 Yes 690 V Yes 3 6 kV
RS庫存編號 714-1779
製造零件編號SCODP404
HK$1,414.33
單位
4 40 A - - - - 4NO/4NC 18.5 kW IP65 Yes 690 V Yes 3 6 kV
RS庫存編號 714-1754
製造零件編號SDP206EB
HK$714.20
單位
6 + 2EB Aux 20 A - - Enclosed - 6NO 7.5 kW IP65 Yes 690 V Yes 3 6 kV
RS庫存編號 810-0855
製造零件編號SDDR253
HK$680.79
單位
3 25 A - - Enclosed - NO 11 kW IP66 - 440 V Yes 3 500 A
RS庫存編號 136-9415
製造零件編號SDDG253N
HK$694.14
單位
3 + N 25 A - I-switch Enclosed Mount SDDG NO 11 kW IP66 Yes 380 / 440 V ac Yes 3 25 A
RS庫存編號 810-0789
製造零件編號SCODDG203
HK$1,008.66
單位
3 20 A - - Enclosed - NO/NC 7.5 kW IP66 - 440 V - 3 250 A
RS庫存編號 714-1757
製造零件編號SDP403/RS
HK$515.48
單位
3 40 A - - Enclosed - 3NO 15 kW IP65 Yes 690 V Yes 3 6 kV
RS庫存編號 810-0858
製造零件編號SDDR253EB
HK$749.09
單位
3 25 A - - Enclosed - NO 11 kW IP66 - 440 V Yes 3 500 A
RS庫存編號 136-9417
製造零件編號SDDG403N
HK$1,114.72
單位
3 + N 40 A - I-switch Enclosed Mount SDDG NO 15 kW IP65 Yes 380 / 440 V ac Yes 3 40 A
RS庫存編號 810-0870
製造零件編號SDDR406EB
HK$1,922.61
單位
6 40 A - - Enclosed - NO 18.5 kW IP66 - 440 V Yes 3 800 A
RS庫存編號 136-9416
製造零件編號SDDG323N
HK$710.92
單位
3 + N 32 A - I-switch Enclosed Mount SDDG NO 15 kW IP66 Yes 380 / 440 V ac Yes 3 32 A
RS庫存編號 136-9414
製造零件編號SDRC01256EB/RS
HK$6,135.66
單位
6P + 2 EB 125 A - - Wall Mount SDRC - 63 kW IP65 Yes 690 V ac Yes 3 125 A
RS庫存編號 810-0795
製造零件編號SD00256B
HK$609.77
單位
6 25 A - - DIN Rail - - 11 kW IP65 Yes 415 V Yes - 0.5 kA
RS庫存編號 810-0757
製造零件編號SDDG253EBZ22
HK$978.39
單位
3 25 A - - Enclosed - - 11 kW - Yes 440 V Yes 3 500 A
RS庫存編號 810-0864
製造零件編號SDDR403
HK$943.11
單位
3 40 A - - Enclosed - NO 15 kW IP66 - 440 V Yes 3 600 A