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. 466-289
BrandRS PRO
SGD63.59
Each
units
- - - - - - - - - - - - - -
RS Stock No. 219-1401
Mfr. Part No.038873 & T0-2-1/EA/SVB
BrandEaton
SGD55.14
Each
units
3 20A - - Panel Mount T0-2 NO 6.5kW IP65 Yes 440V ac Yes 3 320A
RS Stock No. 257-9384
Mfr. Part No.091078 & T0-1-102/EA/SVB
BrandEaton
SGD57.35
Each
units
2 20A - - Panel Mount T0-1 NO 6.5kW IP65 Yes 440V ac Yes 1 320A
RS Stock No. 805-5575
Mfr. Part No.172877 & P1-25/M4/SVB/N
BrandEaton
SGD92.02
Each
units
3 + N 25A - - Panel Mount P1-25 NO 11kW IP65 Yes 690V ac - - 150A
RS Stock No. 609-4281
Mfr. Part No.VCD2
SGD94.36
Each
units
3 40A - TeSys Panel Mount VARIO - 18.5W - Yes 690V ac - 3 8kV
RS Stock No. 257-3645
Mfr. Part No.VCCF2
SGD90.39
Each
units
3 40A - TeSys Panel Mount VARIO - 18.5kW - Yes 690V ac - 3 8kV
RS Stock No. 629-2003
Mfr. Part No.70020101 & T0-2-1/I1H/SVB/K-CI-K1/2
BrandEaton
SGD58.99
1 Box of 1
Box(es)
3 20A - - - T0-2 - 6.5kW IP65 Yes 440V ac - 3 320A
RS Stock No. 257-3651
Mfr. Part No.VCCF3
SGD150.51
Each
units
3 63A - TeSys Panel Mount VARIO - 30kW - Yes 690V ac - 3 8kV
RS Stock No. 518-7354
Mfr. Part No.3LD2504-0TK51
BrandSiemens
SGD87.31
Each
units
3 63A - - Panel Mount - - 22kW IP65 Yes 690V ac - 3 1260A
RS Stock No. 257-9441
Mfr. Part No.014374 & T3-1-102/EA/SVB
BrandEaton
SGD94.30
Each
units
2 32A - - Panel Mount T3-1 NO 13kW IP65 Yes 440V ac Yes 1 32A
RS Stock No. 609-4247
Mfr. Part No.VCD0
SGD73.33
Each
units
3 25A - TeSys Panel Mount VARIO - 15W - Yes 690V ac - 3 8kV
RS Stock No. 818-441
Mfr. Part No.031607 & P3-63/EA/SVB
BrandEaton
SGD149.03
Each
units
3 63A - - Panel Mount P3-63 NO 37kW IP65 Yes 440V ac Yes 3 1260A
RS Stock No. 775-4094
Mfr. Part No.OT25F4C 1SCA104877R1001
BrandABB
SGD155.44
Each
units
4 25 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 518-7398
Mfr. Part No.3LD2704-0TK51
BrandSiemens
SGD185.74
Each
units
3 100A - - Panel Mount - - 37kW IP65 Yes 690V ac - 3 2000A
RS Stock No. 841-2656
Mfr. Part No.OTDC100E02 1SCA125822R1001
BrandABB
SGD410.27
Each
units
2 100A - - Panel Mount - 2NO+2NC - - - - - - -
RS Stock No. 742-7468
Mfr. Part No.2967015
SGD40.35
Each
units
- - - - - - - - - - - - - -
RS Stock No. 330-8048
Mfr. Part No.207314 & P1-32/I2/SVB
BrandEaton
SGD93.20
Each
units
3 32A - - - P1-32 NO 15kW IP65 Yes 415V ac Yes 3 640A
RS Stock No. 775-4105
Mfr. Part No.OT100F4C 1SCA105019R1001
BrandABB
SGD423.33
Each
units
- - - - - - - - - - - - - -
RS Stock No. 686-7281
Mfr. Part No.OT80F3 1SCA105798R1001
BrandABB
SGD87.38
Each
units
3 80A - - - - - 37kW IP20 - 750V ac - 3 1kA
RS Stock No. 518-6799
Mfr. Part No.3LD2122-0TK11
BrandSiemens
SGD59.49
Each
units
3 25A - - Panel Mount - - 9.5kW IP65 Yes 690V ac - 3 640A