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. 609-4253
Mfr. Part No.VCD01
TWD1,417.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 609-4275
Mfr. Part No.VCD1
TWD1,631.00
Each
units
3 32 A - TeSys Panel Mount VARIO - 15 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 279-6135
Mfr. Part No.VCF01
TWD976.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 257-3544
Mfr. Part No.VCF0GE
TWD1,407.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 7.5 kW IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 279-6141
Mfr. Part No.VCF02
TWD871.00
Each
units
3 12 A - TeSys Panel Mount VARIO - 7.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 790-7422
Mfr. Part No.A9S65192
TWD895.00
Each
units
1 125 A - Acti 9 DIN Rail iSW NO - IP20 - 240 V - - -
RS Stock No. 790-7425
Mfr. Part No.A9S65163
TWD702.00
Each
units
1 63 A - Acti 9 DIN Rail iSW NO - - - 240 V - - -
RS Stock No. 279-6157
Mfr. Part No.VCF1
TWD6,332.00
Each
units
3 32 A - TeSys Panel Mount VARIO - 15 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 187-526
Mfr. Part No.VCCD2
TWD2,240.00
Each
units
3 40 A - TeSys Enclosed VARIO 3NO 18.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 790-7462
Mfr. Part No.A9S65363
TWD1,803.00
Each
units
3 63 A - Acti 9 DIN Rail iSW 3NO - - - 415 V - - -
RS Stock No. 734-9630
Mfr. Part No.A9S70740
TWD4,650.00
Each
units
3 + N 40 A - - DIN Rail - - - IP20, IP40 - 415 V ac - 3 -
RS Stock No. 790-7453
Mfr. Part No.A9S65291
TWD1,460.00
Each
units
2 100 A - Acti 9 DIN Rail iSW 2NO - - - 415 V - - -
RS Stock No. 609-4231
Mfr. Part No.VBF3
TWD2,447.00
Each
units
3 63 A - TeSys Panel Mount VARIO - 30 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 134-6007
Mfr. Part No.SEA91254
TWD4,760.00
Each
units
4 125 A - Acti 9 DIN Rail - - - IP20, IP55 - 415 V - 3 25 kA
RS Stock No. 433-7700
Mfr. Part No.VCF01SS3
TWD12,407.00
Each
units
3 16 A - - Panel Mount - - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 790-7428
Mfr. Part No.A9S65191
TWD795.00
Each
units
1 100 A - Acti 9 DIN Rail iSW NO - - - 240 V - - -
RS Stock No. 609-4269
Mfr. Part No.VCD02
TWD1,240.00
Each
units
3 12 A - TeSys Panel Mount VARIO - 7.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 776-3935
Mfr. Part No.A9S70663
TWD5,250.00
Each
units
1 63 A - Acti 9 DIN Rail ISW - - IP20 - 230 V ac, 240 V ac - - -
RS Stock No. 433-7665
Mfr. Part No.VCFN40GE
TWD1,610.00
Each
units
3 32 A - TeSys Panel Mount VARIO - 15 kW IP55 Yes 690 V ac - 3 8 kV
RS Stock No. 790-7466
Mfr. Part No.A9S65391
TWD2,318.00
Each
units
3 100 A - Acti 9 DIN Rail iSW 3NO - - - 415 V - - -