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. 819-927
Mfr. Part No.100AXTN2
BrandEaton
HK$4,888.93
Each
units
3 + N 100A - - - - - - - Yes 250 V dc, 415V ac - 3 3750A
RS Stock No. 103-8460
Mfr. Part No.207242 & T5B-3-8342/I4/SVB
BrandEaton
HK$1,551.81
Each
units
6 63A - - - T5B 6NO 22kW IP65 Yes 690V - 1, 3 5kA
RS Stock No. 773-7964
BrandRS PRO
HK$313.30
Each
units
4 32A - - Panel Mount - - 15kW IP65 Yes 690V ac Yes 3 30kA
RS Stock No. 810-0763
Mfr. Part No.SDDG633EBZ22
HK$2,334.23
Each
units
3 63A - - - - - 25kW - Yes 440V Yes 3 600A
RS Stock No. 790-7422
Mfr. Part No.A9S65192
HK$265.31
Each
units
1 125A - Acti 9 - iSW NO - IP20 - 240V - - -
RS Stock No. 341-2119
Mfr. Part No.FSDDR0323
HK$3,078.17
Each
units
3 32A - - - - - 15kW IP65 Yes 415V ac Yes 3 50kA
RS Stock No. 686-7329
Mfr. Part No.OT40FT3 1SCA104940R1001
BrandABB
HK$344.17
Each
units
- - - - - - - - - - - - - -
RS Stock No. 466-273
BrandRS PRO
HK$225.32
Each
units
- - - - - - - - - - - - - -
RS Stock No. 393-9787
Mfr. Part No.78634683 & T3-4-15682/I2H/SVB/K-CI-K1/2
BrandEaton
HK$1,100.48
Each
units
6 32A - - - T3-4 NO/NC 13kW IP65 Yes 400V ac - - -
RS Stock No. 762-2436
Mfr. Part No.OT160TPN-B
BrandABB
HK$7,681.34
Each
units
3 + N 160A - - - - - - IP65 Yes 415V ac - 3 -
RS Stock No. 922-7254
Mfr. Part No.276275 & IS-63/2
BrandEaton
HK$238.09
Each
units
2 63A - - - IS 2NO - IP40 - 415V - 1 2kA
RS Stock No. 433-7621
Mfr. Part No.VCFN12GE
HK$299.66
Each
units
3 10A - TeSys Panel Mount Mini- VARIO - 4kW IP55 Yes 690V ac - 3 8kV
RS Stock No. 393-9793
Mfr. Part No.207246 & T5B-4-15682/I4/SVB
BrandEaton
HK$2,037.71
Each
units
6 63A - - - T5B NO 22kW IP65 Yes 415V ac Yes - 1300A
RS Stock No. 330-7922
Mfr. Part No.207185 & T3-3-8222/I2
BrandEaton
HK$677.80
Each
units
3 - - - - T3-3 3NO/3NC 22kW IP65 - 240 V dc, 690V ac - 3 6000V ac
RS Stock No. 805-5584
Mfr. Part No.172834 & P1-25/XM
BrandEaton
HK$274.05
Each
units
3 25A - - - P1-25 - 7.5kW IP65 Yes 690V Yes 3 25A
RS Stock No. 466-138
BrandRS PRO
HK$298.72
Each
units
- - - - - - - - - - - - - -
RS Stock No. 518-6705
Mfr. Part No.3LD2103-0TK51
BrandSiemens
HK$387.45
Each
units
3 25A - - Panel Mount - - 9.5kW IP65 Yes 690V ac - 3 640A
RS Stock No. 103-8444
Mfr. Part No.091079 & P1-32/EA/SVB/N
BrandEaton
HK$601.82
Each
units
3 + N 32A - - Panel Mount P1-32 3NO 15kW IP65 Yes 690V - 1, 3 300A
RS Stock No. 191-7505
Mfr. Part No.KG20T203/GBA022E
HK$253.24
Each
units
3 25A - - Panel Mount - - 7.5kW IP65 Yes 690V ac - 3 -
RS Stock No. 330-7821
Mfr. Part No.207081 & T0-2-1/I1
BrandEaton
HK$279.33
Each
units
3 - - - - T0-2 - 22kW IP65 - 240 V dc, 690V ac - 3 6000V ac