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. 257-9441
Mfr. Part No.T3-1-102/EA/SVB
BrandEaton
TWD1,529.00
Each
units
2 32 A - - Panel Mount - NO 13 kW IP65 Yes 440 V ac Yes 1 32 A
RS Stock No. 686-7278
Mfr. Part No.1SCA105332R1001
BrandABB
TWD1,307.00
Each
units
3 63 A - - DIN Rail - - 22 kW IP20 - 750 V ac - 3 1 kA
RS Stock No. 219-1401
Mfr. Part No.T0-2-1/EA/SVB
BrandEaton
TWD1,217.00
Each
units
3 20 A - - Panel Mount - NO 6.5 kW IP65 Yes 440 V ac Yes 3 320 A
RS Stock No. 686-7329
Mfr. Part No.1SCA104940R1001
BrandABB
TWD1,264.00
Each
units
3 - - - Panel Mount - - 11 kW IP20 - 750 V ac - - -
RS Stock No. 818-441
Mfr. Part No.P3-63/EA/SVB
BrandEaton
TWD2,944.00
Each
units
3 63 A - - Panel Mount - NO 37 kW IP65 Yes 440 V ac Yes 3 1260 A
RS Stock No. 629-2003
Mfr. Part No.T0-2-1/I1H/SVB/K-CI-K1/K2
BrandEaton
TWD1,192.00
1 Box of 1
Box(es)
3 20 A - - Enclosed - - 6.5 kW IP65 Yes 440 V ac - 3 320 A
RS Stock No. 773-0654
Mfr. Part No.P1-25/V/SVB-SW
BrandEaton
TWD1,543.00
Each
units
3 25 A - - DIN Rail - 3NO 7.5 kW IP65 Yes 690 V ac - - -
RS Stock No. 773-0660
Mfr. Part No.P3-63/V/SVB-SW
BrandEaton
TWD3,087.00
Each
units
3 63 A - - DIN Rail - 3NO 50 kW IP65 Yes 690 V ac - - -
RS Stock No. 103-8411
Mfr. Part No.T0-3-15683/EA/SVB
BrandEaton
TWD1,476.00
Each
units
3 20 A - - Panel Mount T0-3 3NO 6.5 kW IP65 Yes 690 V Yes 1, 3 110 A
RS Stock No. 805-5584
Mfr. Part No.P1-25/XM
BrandEaton
TWD908.00
Each
units
3 25 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V Yes 3 25 A
RS Stock No. 466-172
BrandRS PRO
TWD919.00
Each
units
3 32 A - - DIN Rail - - 11 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 257-9384
Mfr. Part No.T0-1-102/EA/SVB
BrandEaton
TWD1,075.00
Each
units
2 20 A - - Panel Mount - NO 6.5 kW IP65 Yes 440 V ac Yes 1 320 A
RS Stock No. 173-7867
Mfr. Part No.4404.0004
BrandSchurter
TWD73.70
Each (In a Box of 100)
units
1 10 A - - - - - - - - 48 V dc, 240 V ac - - -
RS Stock No. 686-7275
Mfr. Part No.1SCA104932R1001
BrandABB
TWD1,107.00
Each
units
4 40 A - - DIN Rail - - 11 kW IP20 - 750 V ac - 3 0.5 kA
RS Stock No. 818-435
Mfr. Part No.P1-32/EA/SVB
BrandEaton
TWD1,853.00
Each
units
3 32 A - - Panel Mount - NO 15 kW IP65 Yes 440 V ac Yes 3 640 A
RS Stock No. 539-3745
Mfr. Part No.4404.0004
BrandSchurter
TWD96.00
Each
units
1 10 A - - - - - - - - 48 V dc, 240 V ac - - -
RS Stock No. 900-1825
Mfr. Part No.KEM340UL Y/R
BrandAltech
TWD2,948.00
Each
units
4 40 A - - Panel Mount KEM - - IP65 Yes 600 V ac Yes 3 -
RS Stock No. 805-5613
Mfr. Part No.P1-32/XM
BrandEaton
TWD1,158.00
Each
units
3 32 A - - DIN Rail - - 13 kW IP65 Yes 690 V Yes 3 32 A
RS Stock No. 609-4253
Mfr. Part No.VCD01
TWD1,484.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 330-7685
Mfr. Part No.T0-2-1/I1/SVB
BrandEaton
TWD1,233.00
Each
units
3 20 A - - Enclosed - NO 6.5 kW IP65 Yes 415 V ac Yes 3 320 A