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.014374 & T3-1-102/EA/SVB
BrandEaton
TWD1,635.00
Each
units
2 32A - - Panel Mount T3-1 NO 13kW IP65 Yes 440V ac Yes 1 32A
RS Stock No. 686-7278
Mfr. Part No.OT63F3 1SCA105332R1001
BrandABB
TWD2,012.00
Each
units
3 63A - - - - - 22kW IP20 - 750V ac - 3 1kA
RS Stock No. 219-1401
Mfr. Part No.038873 & T0-2-1/EA/SVB
BrandEaton
TWD1,468.00
Each
units
3 20A - - Panel Mount T0-2 NO 6.5kW IP65 Yes 440V ac Yes 3 320A
RS Stock No. 686-7329
Mfr. Part No.OT40FT3 1SCA104940R1001
BrandABB
TWD1,331.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 818-441
Mfr. Part No.031607 & P3-63/EA/SVB
BrandEaton
TWD3,357.00
Each
units
3 63A - - Panel Mount P3-63 NO 37kW IP65 Yes 440V ac Yes 3 1260A
RS Stock No. 629-2003
Mfr. Part No.70020101 & T0-2-1/I1H/SVB/K-CI-K1/2
BrandEaton
TWD1,246.00
1 Box of 1
Box(es)
3 20A - - - T0-2 - 6.5kW IP65 Yes 440V ac - 3 320A
RS Stock No. 773-0660
Mfr. Part No.060230 & P3-63/V/SVB-SW
BrandEaton
TWD3,521.00
Each
units
3 63A - - - P3-63 3NO 50kW IP65 Yes 690V ac - - -
RS Stock No. 805-5584
Mfr. Part No.172834 & P1-25/XM
BrandEaton
TWD1,037.00
Each
units
3 25A - - - P1-25 - 7.5kW IP65 Yes 690V Yes 3 25A
RS Stock No. 773-0654
Mfr. Part No.050738 & P1-25/V/SVB-SW
BrandEaton
TWD1,761.00
Each
units
3 25A - - - P1-25 3NO 7.5kW IP65 Yes 690V ac - - -
RS Stock No. 103-8411
Mfr. Part No.015571 & T0-3-15683/EA/SVB
BrandEaton
TWD1,682.00
Each
units
3 20A - - Panel Mount T0-3 3NO 6.5kW IP65 Yes 690V Yes 1, 3 110A
RS Stock No. 818-435
Mfr. Part No.081438 & P1-32/EA/SVB
BrandEaton
TWD1,943.00
Each
units
3 32A - - Panel Mount P1-32 NO 15kW IP65 Yes 440V ac Yes 3 640A
RS Stock No. 900-1825
Mfr. Part No.KEM340UL Y/R
BrandAltech
TWD3,476.00
Each
units
4 40A - - Panel Mount KEM - - IP65 Yes 600V ac Yes 3 -
RS Stock No. 173-7867
Mfr. Part No.4404.0004
BrandSchurter
TWD77.50
Each (In a Box of 100)
units
1 10A - - - - - - - - 48 V dc, 240V ac - - -
RS Stock No. 466-172
BrandRS PRO
TWD970.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 805-5613
Mfr. Part No.172835 & P1-32/XM
BrandEaton
TWD1,320.00
Each
units
3 32A - - - P1-32 - 13kW IP65 Yes 690V Yes 3 32A
RS Stock No. 257-9384
Mfr. Part No.091078 & T0-1-102/EA/SVB
BrandEaton
TWD1,280.00
Each
units
2 20A - - Panel Mount T0-1 NO 6.5kW IP65 Yes 440V ac Yes 1 320A
RS Stock No. 539-3745
Mfr. Part No.4404.0004
BrandSchurter
TWD103.00
Each
units
1 10A - - - - - - - - 48 V dc, 240V ac - - -
RS Stock No. 686-7275
Mfr. Part No.OT40F4N2 1SCA104932R1001
BrandABB
TWD1,109.00
Each
units
4 40A - - - - - 11kW IP20 - 750V ac - 3 0.5kA
RS Stock No. 323-151
Mfr. Part No.088558 & P3-100/V/SVB
BrandEaton
TWD5,171.00
Each
units
3 100A - - Rear Panel P3-100 NO 50kW IP65 Yes 440V ac Yes 3 2000A
RS Stock No. 311-5622
Mfr. Part No.KG32AT203/GBA011FT2
TWD1,068.00
Each
units
3 32A - - Panel Mount - - 11kW IP65 Yes 690V ac - 3 -