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. 466-148
BrandRS PRO
MYR85.95
Each
units
3 25 A - - Panel Mount - - 11 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 330-8048
Mfr. Part No.P1-32/I2/SVB
BrandEaton
MYR289.70
Each
units
3 32 A - - Enclosed - NO 15 kW IP65 Yes 415 V ac Yes 3 640 A
RS Stock No. 393-9759
Mfr. Part No.P1-32/I2H/SVB
BrandEaton
MYR300.35
Each
units
3 32 A - - Enclosed - NO 15 kW IP65 Yes 440 V ac Yes 3 640 A
RS Stock No. 775-4101
Mfr. Part No.1SCA105418R1001
BrandABB
MYR827.65
Each
units
4 80 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 219-1401
Mfr. Part No.T0-2-1/EA/SVB
BrandEaton
MYR141.23
Each
units
3 20 A - - Panel Mount - NO 6.5 kW IP65 Yes 440 V ac Yes 3 320 A
RS Stock No. 466-166
BrandRS PRO
MYR383.92
Each
units
4 40 A - - DIN Rail - NO/NC 15 kW IP65 Yes 750 V Yes 3 6 kV
RS Stock No. 810-0757
Mfr. Part No.SDDG253EBZ22
MYR573.74
Each
units
3 25 A - - Enclosed - - 11 kW - Yes 440 V Yes 3 500 A
RS Stock No. 629-2003
Mfr. Part No.T0-2-1/I1H/SVB/K-CI-K1/K2
BrandEaton
MYR182.38
1 Box of 1
Box(es)
3 20 A - - Enclosed - - 6.5 kW IP65 Yes 440 V ac - 3 320 A
RS Stock No. 330-7950
Mfr. Part No.T0-4-15682/I1/SVB
BrandEaton
MYR297.52
Each
units
6 20 A - - Enclosed - NO 6.5 kW IP65 Yes 415 V ac Yes - 320 A
RS Stock No. 810-0858
Mfr. Part No.SDDR253EB
MYR441.36
Each
units
3 25 A - - Enclosed - NO 11 kW IP66 - 440 V Yes 3 500 A
RS Stock No. 629-2047
Mfr. Part No.T0-4-15682/I1H/SVB(RS629-2047)
BrandEaton
MYR287.48
1 Box of 1
Box(es)
6 20 A ac - - Enclosed - NO/NC 13 kW IP65 Yes 400 V ac Yes 3 20 A
RS Stock No. 103-8458
Mfr. Part No.T0-3-8342/I1/SVB
BrandEaton
MYR247.37
Each
units
6 20 A - - Enclosed T0-3 6NO 6.5 kW IP65 Yes 690 V - 1, 3 110 A
RS Stock No. 257-3601
Mfr. Part No.VCCF01
MYR282.08
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 257-3522
Mfr. Part No.VCF02GE
MYR203.70
Each
units
3 10 A - TeSys Panel Mount VARIO - 4 kW IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 193-6001
Mfr. Part No.KG64T203/GBA016E
MYR230.46
Each
units
3 63 A - - Panel Mount - - 22 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 381-3578
Mfr. Part No.KG10 T203/GBA283 KS1V
MYR159.42
Each
units
3 20 A - - - - - 5.5 kW IP66, IP67 Yes 690 V ac - 3 -
RS Stock No. 311-5571
Mfr. Part No.KG10AT103/GBA010FT2
MYR96.79
Each
units
3 20 A - - - - - 5.5 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 805-5604
Mfr. Part No.P1-32/M4/N/SVB
BrandEaton
MYR414.33
Each
units
3 + N 32 A - - Panel Mount - NO 18.5 kW IP65 Yes 690 V ac - - 250 A
RS Stock No. 466-249
BrandRS PRO
MYR107.64
Each
units
4 20 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V ac - 3 5 kA
RS Stock No. 257-3847
Mfr. Part No.VCF2GE
MYR268.33
Each
units
3 32 A - TeSys Panel Mount VARIO - 15 kW IP65 Yes 690 V ac - 3 8 kV