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 Stock No. 810-0760
Mfr. Part No.SDDG403EBZ22
PHP10,755.34
Each
units
3 40 A - - Enclosed - - 15 kW - Yes 440 V Yes 3 600 A
RS Stock No. 810-0763
Mfr. Part No.SDDG633EBZ22
PHP14,774.68
Each
units
3 63 A - - Enclosed - - 25 kW - Yes 440 V Yes 3 600 A
RS Stock No. 714-1751
Mfr. Part No.SDP406EB
PHP5,401.40
Each
units
6 + 2EB Aux 40 A - - Enclosed - 6NO 18.5 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 714-1899
Mfr. Part No.SDFL403
PHP9,333.59
Each
units
3 40 A - - Panel Mount - 3NO 18.5 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 341-2119
Mfr. Part No.FSDDR0323
PHP19,483.49
Each
units
3 32 A - - Enclosed - - 15 kW IP65 Yes 415 V ac Yes 3 50 kA
RS Stock No. 810-0814
Mfr. Part No.SD00803B
PHP3,290.96
Each
units
3 80 A - - DIN Rail - - 30 kW IP65 Yes 415 V Yes - 1.4 kA
RS Stock No. 714-1833
Mfr. Part No.SDS403/RS
PHP11,886.82
Each
units
3 40 A - - Enclosed - 3NO 15 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 810-0757
Mfr. Part No.SDDG253EBZ22
PHP6,623.94
Each
units
3 25 A - - Enclosed - - 11 kW - Yes 440 V Yes 3 500 A
RS Stock No. 810-0877
Mfr. Part No.SDDR403N
PHP8,040.24
Each
units
3 + N 40 A - - Enclosed - NO 15 kW IP66 - 440 V Yes 3 600 A
RS Stock No. 714-1906
Mfr. Part No.SDFL634
PHP21,389.28
Each
units
4 63 A - - Panel Mount - 6NO 30 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 136-9415
Mfr. Part No.SDDG253N
PHP4,699.48
Each
units
3 + N 25 A - i-switch Enclosed Mount SDDG NO 11 kW IP66 Yes 380 / 440 V ac Yes 3 25 A
RS Stock No. 810-0896
Mfr. Part No.EXZ1SDR0204
PHP20,698.94
Each
units
4 20 A - - Enclosed - - - IP65 - 690 V Yes - -
RS Stock No. 810-0789
Mfr. Part No.SCODDG203
PHP6,861.28
Each
units
3 20 A - - Enclosed - NO/NC 7.5 kW IP66 - 440 V - 3 250 A
RS Stock No. 810-0805
Mfr. Part No.SD00323B
PHP2,195.27
Each
units
3 32 A - - DIN Rail - - 15 kW IP65 Yes 415 V Yes - 0.6 kA
RS Stock No. 714-1760
Mfr. Part No.SDP633/RS
PHP4,647.34
Each
units
3 63 A - - Enclosed - 3NO 30 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 810-0795
Mfr. Part No.SD00256B
PHP4,426.92
Each
units
6 25 A - - DIN Rail - - 11 kW IP65 Yes 415 V Yes - 0.5 kA
RS Stock No. 122-4445
Mfr. Part No.SDDR633
PHP9,156.94
Each
units
3 63 A - - - - NO 25 kW IP66 - 440 V Yes 3 1300 A
RS Stock No. 810-0751
Mfr. Part No.SDDG206EBZ22
PHP7,636.36
Each
units
6 20 A - - Enclosed - - 7.5 kW - Yes 440 V Yes 3 250 A
RS Stock No. 714-1849
Mfr. Part No.SDS633N/RS
PHP15,016.69
Each
units
3 + N 63 A - - Enclosed - 3NO 30 kW IP65 Yes 690 V Yes 3 6 kV
RS Stock No. 714-1779
Mfr. Part No.SCODP404
PHP9,620.74
Each
units
4 40 A - - - - 4NO/4NC 18.5 kW IP65 Yes 690 V Yes 3 6 kV